A high serum potassium, accompanied by a high intracellular potassium occurs in (A) Adrenal insufficiency (B) Any illness (C) Gastrointestinal losses (D) Cushing’s syndrome

A high serum potassium, accompanied by a high intracellular potassium occurs in (A) Adrenal insufficiency (B) Any illness (C) Gastrointestinal losses (D) Cushing’s syndrome
by

1 Answer

Answer :

Answer :  A
by
selected

Related questions

Which of the following is noted in cushing’s syndrome, a tumor associated disease of the adrenal cortex? (A) Decreased production of epinephrine (B) Excessive production of epinephrine (C) Excessive production of vasopressin (D) Excessive production of cortisol

Description : Which of the following is noted in cushing’s syndrome, a tumor associated disease of the adrenal cortex? (A) Decreased production of epinephrine (B) Excessive production of epinephrine (C) Excessive production of vasopressin (D) Excessive production of cortisol

Last Answer : Answer : D

In Cushing’s syndrome-a tumour associated disease of adrenal cortex, there is (A) Decreased epinephrine production (B) Excessive cortisol production (C) Excessive epinephrine production (D) Decreased cortsoil production

Description : In Cushing’s syndrome-a tumour associated disease of adrenal cortex, there is (A) Decreased epinephrine production (B) Excessive cortisol production (C) Excessive epinephrine production (D) Decreased cortsoil production

Last Answer : Answer : B

B.M.R. is subnormal in (A) Addison’s disease (B) Adrenal tumour (C) Cushing’s syndrome (D) Fever

Description : B.M.R. is subnormal in (A) Addison’s disease (B) Adrenal tumour (C) Cushing’s syndrome (D) Fever

Last Answer : Answer : A

Which of the following disorders is characterized by a group of symptoms produced by an excess of free circulating cortisol from the adrenal cortex? a) Cushing’s syndrome The patient with Cushing’s syndrome demonstrates truncal obesity, moon face, acne, abdominal striae, and hypertension.

Description : Which of the following disorders is characterized by a group of symptoms produced by an excess of free circulating cortisol from the adrenal cortex? a) Cushing's syndrome The patient ... individual with Hashimoto's disease demonstrates inflammation of the thyroid gland, resulting in hypothyroidism.

Last Answer : a) Cushing’s syndrome The patient with Cushing’s syndrome demonstrates truncal obesity, moon face, acne, abdominal striae, and hypertension.

Which disease results when the adrenal cortex produces too much hormone? A) diabetes insipidus B) diabetes mellitus C) Cushing's syndrome D) Addison's disease E) myxedema

Description : Which disease results when the adrenal cortex produces too much hormone? A) diabetes insipidus B) diabetes mellitus C) Cushing's syndrome D) Addison's disease E) myxedema

Last Answer : C) Cushing's syndrome

Hypokalemia occurs in (A) Cushing’s syndrome (B) Addison’s disease (C) Renal failure (D) Advanced dehydration

Description : Hypokalemia occurs in (A) Cushing’s syndrome (B) Addison’s disease (C) Renal failure (D) Advanced dehydration

Last Answer : Answer : A

Which of the following is true of loss of gastrointestinal secretions? A. Gastric losses are best replaced with a balanced salt solution. B. Potassium supplementation is unnecessary in replacement of gastric secretions. C. Bicarbonate wasting is an unusual complication of a high-volume pancreatic fistula. D. Balanced salt solution is a reasonable replacement fluid for a small bowel fistula. E. A patient with persistent vomiting usually requires hyperchloremic replacement fluids.

Description : Which of the following is true of loss of gastrointestinal secretions? A. Gastric losses are best replaced with a balanced salt solution. B. Potassium supplementation is unnecessary in ... bowel fistula. E. A patient with persistent vomiting usually requires hyperchloremic replacement fluids.

Last Answer : Answer: DE DISCUSSION: Gastric secretions are relatively high in chloride and potassium. Other than an isolated pancreatic fistula, gastrointestinal tract losses below the pylorus ... Although potassium concentrations are low, copious losses require potassium supplementation to prevent hypokalemia

A decrease in serum sodium may occur in (A) Adrenocortical insufficiency (B) Hypoparathyroidism (C) Hyperparathyroidism (D) Thyrotoxicosis

Description : A decrease in serum sodium may occur in (A) Adrenocortical insufficiency (B) Hypoparathyroidism (C) Hyperparathyroidism (D) Thyrotoxicosis

Last Answer : Answer : A

A 53-year-old man presented with hypertension of 150/110 mmHg. He is generally asymptomatic and has no previous medical history of note. He is a smoker of 5 cigarettes daily and drinks modest quantities of alcohol. He takes no prescribed medications. Examination reveals a BMI of 33.5 kg/2 but nil else. The following detail his investigations: Serum sodium 146 mmol/l (NR 133-145) Serum potassium 3.2 mmol/l (NR 3.5 - 5) Urinary potassium excretion 42 mmol/l (NR less than 30) What is the likely diagnosis? 1) Adrenocortical adenoma 2) Bartter's syndrome 3) Liddle's syndrome 4) Liquorice ingestion 5) Pheochromocytoma

Description : A 53-year-old man presented with hypertension of 150/110 mmHg. He is generally asymptomatic and has no previous medical history of note. He is a smoker of 5 cigarettes daily and drinks ... Adrenocortical adenoma 2) Bartter's syndrome 3) Liddle's syndrome 4) Liquorice ingestion 5) Pheochromocytoma

Last Answer : Answers-1 This patient is most likely to have Conn's syndrome as reflected by the hypokalaemic hypertension. Liquorice ingestion or Liddle's syndrome are again possible causes of ... hypertension (often diastolic hypertension), muscular weakness, paresthesias, headache, polyuria, and polydipsia."

A 75 year old man presents with a long history of shortness of breath and ankle oedema. His serum biochemistry shows sodium 122 mmols/l and potassium of 2.9 mmols/l. He now complains of weakness.Which of the following is likely to explain the above biochemical picture? 1) Addison's Disease 2) Nephrotic syndrome 3) Primary hyperaldosteronism 4) SIADH 5) Diuretic therapy

Description : A 75 year old man presents with a long history of shortness of breath and ankle oedema. His serum biochemistry shows sodium 122 mmols/l and potassium of 2.9 mmols/l. He now complains of ... ? 1) Addison's Disease 2) Nephrotic syndrome 3) Primary hyperaldosteronism 4) SIADH 5) Diuretic therapy

Last Answer : Answers-5 The long history of his symptoms and serum biochemistry suggests that his condition is due to treatment with frusemide for CCF.

Which of the following techniques would be most useful in the differential diagnosis between ectopic Cushing's syndrome and pituitary dependent Cushing's disease. 1) Urine free cortisol 2) High dose Dexamethasone suppression test 3) ACTH concentrations 4) Inferior petrosal sinus sampling 5) CRF test

Description : Which of the following techniques would be most useful in the differential diagnosis between ectopic Cushing's syndrome and pituitary dependent Cushing's disease. 1) Urine free cortisol 2) ... Dexamethasone suppression test 3) ACTH concentrations 4) Inferior petrosal sinus sampling 5) CRF test

Last Answer : Answers-4 Inferior petrosal sinus sampling with an elevated central ACTH concentration compared with the peripheral value is the most valuable test in the differential diagnosis of either Cushing's disease or ectopic Cushing's syndrome. The other tests are far less useful in comparison.

A patient who recently had a calculus removed from the kidney presented with radiolucent area in the left maxilla with clinical evidence of swelling. The disease that you would immediately suggest is,** M07 A. Diabetes B. Thyrotoxicosis C. Hyperparathyroidism D. Osteoporosis E. Adrenal insufficiency

Description : A patient who recently had a calculus removed from the kidney presented with radiolucent area in the left maxilla with clinical evidence of swelling. The disease that you would immediately suggest ... A. Diabetes B. Thyrotoxicosis C. Hyperparathyroidism D. Osteoporosis E. Adrenal insufficiency

Last Answer : C. Hyperparathyroidism

Hypokalemia with an accompanying hypochloremic alkalosis may be observed in (A) Cushing’s syndrome(B) Addison’s disease (C) Hyptothyroidism (D) Malnutrition

Description : Hypokalemia with an accompanying hypochloremic alkalosis may be observed in (A) Cushing’s syndrome(B) Addison’s disease (C) Hyptothyroidism (D) Malnutrition

Last Answer : Answer : A

Urinary excretion of vanillyl madelic acid is increased in (A) Phaeochromocytoma (B) Cushing’s syndrome (C) Carcinoid syndrome (D) Aldosteronism

Description : Urinary excretion of vanillyl madelic acid is increased in (A) Phaeochromocytoma (B) Cushing’s syndrome (C) Carcinoid syndrome (D) Aldosteronism

Last Answer : Answer : A

Secretion of catecholamines is increased in (A) Cushing’s syndrome (B) Addison’s disease (C) Phaeochromocytoma (D) Simmond’s disease

Description : Secretion of catecholamines is increased in (A) Cushing’s syndrome (B) Addison’s disease (C) Phaeochromocytoma (D) Simmond’s disease

Last Answer : Answer : C

Excessive secretion of ACTH causes (A) Cushing’s syndrome (B) Addison’s disease (C) Myxoedema (D) Thyrotoxicosis

Description : Excessive secretion of ACTH causes (A) Cushing’s syndrome (B) Addison’s disease (C) Myxoedema (D) Thyrotoxicosis

Last Answer : Answer : A

The following are true about parathyroid hormone a. it is an 84 amino acid peptide hormone b. it increases calcium absorption from the gastrointestinal tract c. it acts on a cell surface receptor that increases intracellular cyclic AMP d. all above

Description : The following are true about parathyroid hormone a. it is an 84 amino acid peptide hormone b. it increases calcium absorption from the gastrointestinal tract c. it acts on a cell surface receptor that increases intracellular cyclic AMP d. all above

Last Answer : all above

An increase in carbohydrate metabolism is accompanied by temporary decrease in serum: (A) Calcium (B) Phosphate (C) Iron (D) Sodium

Description : An increase in carbohydrate metabolism is accompanied by temporary decrease in serum: (A) Calcium (B) Phosphate (C) Iron (D) Sodium

Last Answer : Answer : B

True statements concerning hypoadrenal shock include which of the following? A. Adrenocortical insufficiency may manifest itself as severe shock refractory to volume and pressor therapy. B. The presence of hyperglycemia and hypotension may suggest the diagnosis of shock due to adrenocortical insufficiency. C. Hydrocortisone does not interfere with the serum cortisol assay and should be given to hemodynamically unstable patients suspected of having hypoadrenal shock. D. The rapid adrenocorticotropic hormone (ACTH) stimulation test should be performed to help establish the diagnosis of acute adrenocortical insufficiency.

Description : True statements concerning hypoadrenal shock include which of the following? A. Adrenocortical insufficiency may manifest itself as severe shock refractory to volume and pressor therapy. B. ... test should be performed to help establish the diagnosis of acute adrenocortical insufficiency.

Last Answer : Answer: AD DISCUSSION: Shock due to acute adrenocortical insufficiency is relatively uncommon but must be considered when shock refractory to volume replacement and pressor therapy is present. ... and it is the corticosteroid of choice while the ACTH stimulation test is being performed

Zymogen is (A) An intracellular enzyme (B) Serum enzyme (C) A complete extracellular enzyme (D) An inactivated enzyme

Description : Zymogen is (A) An intracellular enzyme (B) Serum enzyme (C) A complete extracellular enzyme (D) An inactivated enzyme

Last Answer : Answer : D

The principal cation in intracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Description : The principal cation in intracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Last Answer : Answer : B

Concentration of the following is higher in intracellular fluid than in extracellular fluid: (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Description : Concentration of the following is higher in intracellular fluid than in extracellular fluid: (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Last Answer : Answer : B

Urine examination (Benedict’s test) of a 40 yr old obese male showed a brick red precipitate. This can result from all except Options: 1) Diabetes Mellitus 2) Drugs 3) Acute post-streptococcal glomerulonephritis 4) Cushing’s syndrome

Description : Urine examination (Benedict’s test) of a 40 yr old obese male showed a brick red precipitate. This can result from all except Options: 1) Diabetes Mellitus 2) Drugs 3) Acute post-streptococcal glomerulonephritis 4) Cushing’s syndrome

Last Answer : Correct Answer: 3) Acute post-streptococcal glomerulonephritis

a 20 year old medical student presents with five years history of weight gain, irregular periods and worsening fascial hair. What is the most likely diagnosis? a) Polycystic ovarian disease. b) Hypothyroidism. c) Obesity. d) Cushing’s Syndrome. e) Nephrotic Syndrome.

Description : a 20 year old medical student presents with five years history of weight gain, irregular periods and worsening fascial hair. What is the most likely diagnosis? a) Polycystic ovarian disease. b) Hypothyroidism. c) Obesity. d) Cushing’s Syndrome. e) Nephrotic Syndrome.

Last Answer : a) Polycystic ovarian disease.

A young medical student has come to you with complaints of oligomenorrrhea, hirsuitism and weight gain, ultrasound reveals bulky ovaries with sub-capsular cysts. Most likely diagnosis is: a) Ovarian cancer. b) Cushing’s syndrome. c) Polycystic ovarian disease. d) Diabetes mellitus. e) Pelvic inflammatory disease

Description : A young medical student has come to you with complaints of oligomenorrrhea, hirsuitism and weight gain, ultrasound reveals bulky ovaries with sub-capsular cysts. Most likely diagnosis is: a) Ovarian ... syndrome. c) Polycystic ovarian disease. d) Diabetes mellitus. e) Pelvic inflammatory disease

Last Answer : c) Polycystic ovarian disease.

The condition that results when there is an increased production of human growth hormone in an adult is termed A) Cushing's syndrome. B) Addison's disease. C) gigantism. D) dwarfism. E) acromegaly.

Description : The condition that results when there is an increased production of human growth hormone in an adult is termed A) Cushing's syndrome. B) Addison's disease. C) gigantism. D) dwarfism. E) acromegaly.

Last Answer : E) acromegaly.

The most important indication of mifepristone is: A. Endometriosis B. Cushing's syndrome C. First term abortion D. Second term abortion

Description : The most important indication of mifepristone is: A. Endometriosis B. Cushing's syndrome C. First term abortion D. Second term abortion

Last Answer : C. First term abortion

Which of the following statement(s) is/are true concerning metabolic derangements in sepsis and the systemic inflammatory response syndrome which may follow progressive shock? a. Alterations in glucose metabolism lead to the development of efficient substrate utilization b. A progressive rise in serum triglyceride levels result from less efficient clearance and increased hepatic lipogenesis c. A net negative nitrogen balance occurs due to the oxidative metabolism of proteins to meet energy needs d. The serum aromatic amino acids fall rapidly as they are actively used in oxidative metabolism

Description : Which of the following statement(s) is/are true concerning metabolic derangements in sepsis and the systemic inflammatory response syndrome which may follow progressive shock? a. Alterations in glucose ... The serum aromatic amino acids fall rapidly as they are actively used in oxidative metabolism

Last Answer : Answer: b, c A broad spectrum of metabolic abnormalities become apparent in sepsis and the systemic inflammatory response syndrome following shock. Disruption of the normal cycles of carbohydrate, ... acetyl coenzyme A. This results in reduced serum level of leucine, isoleucine and valine

In adrenogenital syndrome due to total absence of 21-hydroxylase in adrenal cortex, there is (A) Deficient secretion of glucocorticoids (B) Deficient secretion of mineralcorticoids (C) Excessive secretion of androgens (D) All of these

Description : In adrenogenital syndrome due to total absence of 21-hydroxylase in adrenal cortex, there is (A) Deficient secretion of glucocorticoids (B) Deficient secretion of mineralcorticoids (C) Excessive secretion of androgens (D) All of these

Last Answer : Answer : D

Which of the following may be responsible for a hypokalaemic hypertension 1) Non-classical congenital adrenal hyperplasia 2) Barter's syndrome 3) Diabetic nephropathy 4) Liddle's syndrome 5) Type IV renal tubular acidosis

Description : Which of the following may be responsible for a hypokalaemic hypertension 1) Non-classical congenital adrenal hyperplasia 2) Barter's syndrome 3) Diabetic nephropathy 4) Liddle's syndrome 5) Type IV renal tubular acidosis

Last Answer : Answers-4 Liddle's syndrome is typically asscoiated with hypokalaemic hypertension and low renin and aldosterone concentrations - the so called pseudo-hyperaldosteronism. Barter's syndrome is associated ... , which may also be produced with diabetic nephropathy. Hence hyperkalaemia is more typical.

Choose the correct statement about carbimazole: A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therapy B. Control of thyrotoxic symptoms with carbimazole is accompanied by enlargement of thyroid gland C. Its long term use in Grave's disease leads to ‘thyroid escape’ D. It mitigates thyrotoxic symptoms without lowering serum thyroxine levels

Description : Choose the correct statement about carbimazole: A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therapy B. Control of thyrotoxic symptoms with carbimazole is accompanied by ... leads to thyroid escape' D. It mitigates thyrotoxic symptoms without lowering serum thyroxine levels

Last Answer : A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therap

Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Description : Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Last Answer : Answer : A

Serum LDL has been found to be increased in (A) Obstructive jaundice (B) Hepatic jaundice (C) Hemolytic jaundice (D) Malabsorption syndrome

Description : Serum LDL has been found to be increased in (A) Obstructive jaundice (B) Hepatic jaundice (C) Hemolytic jaundice (D) Malabsorption syndrome

Last Answer : Answer : A

Phenytoin: 1) is a benzalkonium Derivative 2) is clinically effective serum level is in the range on 2-10 micrograms/ml. 3) A steady state blood level is achieved by 2-5 days 4) Can be used in management of alchohol withdrawl syndrome 5) Is the drug of choice in absence seizures.

Description : Phenytoin: 1) is a benzalkonium Derivative 2) is clinically effective serum level is in the range on 2-10 micrograms/ml. 3) A steady state blood level is achieved by 2-5 days 4) Can be used in management of alchohol withdrawl syndrome 5) Is the drug of choice in absence seizures.

Last Answer : Answers-4 Phenytoin is an imidazolidine derivative.It relates to barbiturates in chemical structure. Clinically effective seum level is in the range on 10-20 micrograms/ml. A steady state blood level is achieved by 7-10 days.

Which of the following is true of Gilbert's syndrome? 1) inheritance is autosomal recessive 2) serum conjugated bilirubin levels are elevated 3) serum bilirubin levels are decreased by fasting 4) serum bilirubin levels are decreased by liver enzyme inducers 5) there is bilirubinuria

Description : Which of the following is true of Gilbert's syndrome? 1) inheritance is autosomal recessive 2) serum conjugated bilirubin levels are elevated 3) serum bilirubin levels are decreased by fasting 4) serum bilirubin levels are decreased by liver enzyme inducers 5) there is bilirubinuria

Last Answer : Answers-4 Gilbert's syndrome is inherited in autosomal dominant fashion and affects 2-5% of the population. UDP glucuronyl transferase levels are reduced leading to an unconjugated hyperbilirubinaemia. ... the bilirubin is reabsorbed in the proximal tubule some bilirubin is detectable in the urine.

Oral mucosa and skin pigmentation occurs in patient with:** A. Diabetes mellitus B. Addison’s disease C. Multiple myeloma D. Squamous cell carcinoma E. Bright’s disease F. Cushing’s disease

Description : Oral mucosa and skin pigmentation occurs in patient with:** A. Diabetes mellitus B. Addison’s disease C. Multiple myeloma D. Squamous cell carcinoma E. Bright’s disease F. Cushing’s disease

Last Answer : B. Addison’s disease

One of the symptoms of low serum potassium concentration includes (A) Muscle weakness (B) Confusion (C) Numbness (D) Tingling of extremities WATER AND ELECTROLYTE BALANCE 283

Description : One of the symptoms of low serum potassium concentration includes (A) Muscle weakness (B) Confusion (C) Numbness (D) Tingling of extremities WATER AND ELECTROLYTE BALANCE 283

Last Answer : Answer : A

Normal range of serum potassium is (A) 2.1-3.4 mEq/L (B) 3.5-5.3 mEq/L (C) 5.4–7.4 mEq/L (D) 7.5–9.5 mEq/L

Description : Normal range of serum potassium is (A) 2.1-3.4 mEq/L (B) 3.5-5.3 mEq/L (C) 5.4–7.4 mEq/L (D) 7.5–9.5 mEq/L

Last Answer : Answer : B

Serum potassium level decreases in (A) Familial periodic paralysis (B) Addison’s disease (C) Renal failure (D) All of these

Description : Serum potassium level decreases in (A) Familial periodic paralysis (B) Addison’s disease (C) Renal failure (D) All of these

Last Answer : Answer : A

A 15-year-old girl was seen by her family physician because of increasing lethargy. She had a recent history of the "flu". Biochemistry tests show that she has renal impairement. serum sodium 140 mmol/L (137 - 144) serum potassium 4.2 mmol/L (3.5 - 4.9) serum urea 28 mol/L (2.5 - 7.5) serum creatinine 280 µmol/L (60 - 110) Her condition does not improve after several weeks on corticosteroid therapy, so a renal biopsy is performed. The biopsy demonstrates the presence of segmental sclerosis of 3 of 10 glomeruli identified in the biopsy specimen. Immunofluorescence studies and electron microscopy do not reveal evidence for immune deposits. What is the most appropriate advice to give regarding her condition? 1) She has an underlying malignancy 2) She may require a renal transplant in 10 years

Description : A 15-year-old girl was seen by her family physician because of increasing lethargy. She had a recent history of the "flu". Biochemistry tests show that she has renal impairement. ... will likely develop a restrictive lung disease 5) She will probably improve with additional corticosteroid therapy

Last Answer : Answers-2 The findings point to focal segmental glomerulosclerosis (FSGS), which leads to chronic renal failure in half of cases. The lack of resolution with corticosteroid therapy and the progression to chronic renal failure is what sets FSGS apart from minimal change disease.

In the neurone: a. the magnitude of the action potential is dependent on the strength of the stimulus b. impulses can travel in both direction c. depolarization is accompanied by increased permeability of the cell membrane to potassium ions d. during depolarization, the potential of the neurone changes from -70mV to +40mV

Description : In the neurone: a. the magnitude of the action potential is dependent on the strength of the stimulus b. impulses can travel in both direction c. depolarization is accompanied by increased ... potassium ions d. during depolarization, the potential of the neurone changes from -70mV to +40mV

Last Answer : during depolarization, the potential of the neurone changes from -70mV to +40mV

A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance of these differences is/are true? a. The cell membrane is able to maintain a 10,000 fold gradient between the extracellular concentration of ionized calcium and the intracellular concentration b. The key to these differences is the fact that the plasma membrane is normally impermeable to sodium, potassium and calcium c. The selectivity of biologic membranes is highly consistent and seldom changes d. The selectivity of cell membranes relates only to ions and not organic compounds

Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds

Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell

Answer: e The role of nutritional support in the cancer patient remains an important component of overall therapy. Preoperative nutritional support should be given only to those patients who do not require an emergency operation and who have severe weight loss (> 15% of pre-illness body weight) and a serum albumen < 2.9 mg%. Preoperative nutrition (enteral or parenteral) should not be given for longer than 7 to 10 days. Enteral nutrition is always the preferred route of feeding cancer patients if the GI tract is functional. There are several benefits of using the bowel lumen for nutrient delivery. The trophic effects of enteral feeding on small bowel mucosa have been well described. The integrity of the mucosal lining is maintained and it may provide an effective barrier to intraluminal

Description : Answer: e The role of nutritional support in the cancer patient remains an important component of overall therapy. Preoperative nutritional support should be given only to those patients who ... of bowel rest; this atrophy is not reversed by currently available total parenteral nutrition solutions

Last Answer : Which of the following hormones can be expected to be released as part of the stress response? a. Antidiuretic hormone (ADH) b. Aldosterone c. Insulin d. Epinephrine nswer: a, b, d ... This hormone has the exact opposite effect of insulin, which promotes glucose storage and uptake by the cells

For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between: A. 0.2–0.4 mEq/L B. 0.5–0.8 mEq/L C. 1.0–1.3 mEq/L D. 1.5–2.5 mEq/L

Description : For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between: A. 0.2–0.4 mEq/L B. 0.5–0.8 mEq/L C. 1.0–1.3 mEq/L D. 1.5–2.5 mEq/L

Last Answer : B. 0.5–0.8 mEq/L

Cushing syndrome due to adrenal tumor?

Description : Cushing syndrome due to adrenal tumor?

Last Answer : DefinitionCushing syndrome due to adrenal tumor is an endocrine system disorder that occurs when there is a tumor of the adrenal gland releasing excess amounts of the hormone cortisol.Alternative NamesAdrenal tumor - ... tumors are rare. They may develop in anyone at any age, but are much more co

A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill. On examination her blood pressure was 110/70 mmHg and her body mass index was 21.5 kg/m2 (18 - 25). Investigations sodium 135 mmol/l potassium 2.1 mmol/l bicarbonate 42 mmol/l urea 2.6 mol/L corrected calcium 2.08 mmol/ alkaline phosphatase 201 iu/l (50-110) What is the most likely diagnosis? 1) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

Description : A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill ... ) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

Last Answer : Answers-5 This patient has tooth erosion associated with hypokalaemic metabolic alkalosis and hypocalcaemia. This suggests a diagnosis of hypoparathyroidism. Conn's is unlikely in this age group, is ... raised alkaline phosphatase would not be expected. Early pregnancy would not fit this picture.

The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Description : The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Last Answer : it causes increased secretion of potassium by the distal renal tubules.

Aldosteronism will present the chemical pathology of (A) Addison’s (B) Cushing’s (C) Grave’s (D) Hartnup’s

Description : Aldosteronism will present the chemical pathology of (A) Addison’s (B) Cushing’s (C) Grave’s (D) Hartnup’s

Last Answer : Answer : B

Whcih one of the following is not a symptom of cushing’s disease? (A) Hyperglycemia (B) Hypernatremia (C) Hirsutism (D) Hyperkalemia

Description : Whcih one of the following is not a symptom of cushing’s disease? (A) Hyperglycemia (B) Hypernatremia (C) Hirsutism (D) Hyperkalemia

Last Answer : Answer : D