Description : Urine specific gravity of 1.054 indicates (A) Excellent renal function (B) Inappropriate secretion of ADH (C) Extreme dehydration (D) Presence of glucose or protein
Last Answer : Answer : D
Description : Which of the following would help in prevention of diuresis? (a) More water reabsorption due to undersecretion of ADH. (b) Reabsorption of Na+ and water from renal tubules due to ... Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE
Last Answer : (b) Reabsorption of Na+ and water from renal tubules due to aldosterone.
Description : ADH test is based on the measurement of (A) Specific gravity of urine (B) Concentration of urea in urine (C) Concentration of urea in blood (D) Volume of urine in ml/minute
Last Answer : A
Description : Calcitonin causes (A) Calcinuria and phosphaturia (B) Decrease in urinary calcium (C) Decrease in urinary phosphorous (D) Increase in blood calcium level 212 MCQs IN BIOCHEMISTRY
Last Answer : Answer : A
Description : In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy ... C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these
Last Answer : Answer : C
Description : During compensation of respiratory alkalosis, all the following changes occur except (A) Decreased secretion of hydrogen ions by renal tubules (B) Increased excretion of sodium in urine (C) Increased excretion of bicarbonate in urine (D) Increased excretion of ammonia in urine
Description : TSH hormone biochemically is a (A) Protein (B) Fat (C) Glycoprotein (D) Carbohydrate 232 MCQs IN BIOCHEMISTRY
Description : Adrenalin is synthesized from (A) Adenine (B) Adenosine (C) Tyrosine (D) Tryptophan 230 MCQs IN BIOCHEMISTRY
Description : Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY
Description : Phosphorylated IRS-1 activates GRB-2 which is (A) G-protein receptor binding protein-2 (B) Growth factor receptor binding protein-2 (C) Growth hormone receptor binding protein-2 (D) Glucocorticoid receptor binding protein-2 226 MCQs IN BIOCHEMISTRY
Last Answer : Answer : B
Description : Mineralocorticoids increase the tubular reabsorption of (A) Sodium and calcium (B) Sodium and potassium (C) Sodium and chloride (D) Potassium and chloride 224 MCQs IN BIOCHEMISTRY
Description : Tyrosine is required for the synthesis of all of the following except (A) Melatonin (B) Epinephrine (C) Norepinephrine (D) Thyroxine 222 MCQs IN BIOCHEMISTRY
Description : Secretion of thyroid hormones is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback regulation (D) All of these 220 MCQs IN BIOCHEMISTRY
Description : All the following statements about proopiomelanocortin are true except (A) It is made up of 285 amino acids (B) It is synthesised in pars intermedia and anterior lobe of pituitary gland ... ) It is the precursor of corticotropin like intermediate lobe peptide and endorphins 218 MCQs IN BIOCHEMISTRY
Description : Cyclic AMP acts as the second messenger for all of the following except (A) Oxytocin (B) TSH (C) ACTH (D) FSH 216 MCQs IN BIOCHEMISTRY
Description : Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY
Description : Adrenocorticotropic hormone (ACTH) is a single polypeptide containing (A) 25 amino acid (B) 39 amino acid (C) 49 amino acid (D) 52 amino acid 208 MCQs IN BIOCHEMISTRY
Description : Antidiuretic hormone (ADH) - (1) inhibits the secretion of growth hormone by the pituitary (2) inhibits the rate of heart beat (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules (4) causes an increase in the blood pressure
Last Answer : (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules
Description : Thiazide diuretics inhibit (A) Carbonic anhydrase (B) Aldosterone secretion (C) ADH secretion (D) Sodium reabsorption in distal tubules
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.
Description : Serum biochemistry of a 60 year old man revealed calcium of 1.98 mmol/l and phosphate of 0.55 mmol/l with an alkaline phosphatase of 450 IU/l.Which among the following mosts suits ... biochemistry? 1) Osteoporosis 2) Osteomalacia 3) Pagets Disease 4) Secondary Hyperparathyroidism 5) Renal failure
Last Answer : Answers-2 Osteomalacia is associated with low calcium and phosphate with raised alkaline phosphatase. Serum biochemistry is normal in osteoporosis. Pagets disease is associated with normal ... renal failure when tertiary hyperparathyroidism sets in there is low calcium with raised phosphate.
Description : Glycosuria is a condition where a man (a) Eats more sugar (b) Excretes sugar in urine (c) Sugar is excreted in faeces (d) Has low sugar level in blood
Last Answer : (b) Excretes sugar in urine
Description : Urine examination in secondary dehydration shows (A) Ketonuria (B) Low specific gravity (C) High specific gravity (D) Albuminuria
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.
Description : All the following statements about renal tubular acidosis are correct except (A) Renal tubules may be unable to reabsorb bicarbonate (B) Renal tubules may be unable to secrete hydrogen ions (C) Plasma chloride is elevated (D) Anion gap is decreased
Description : Cystinuria results from inability to (A) Metabolise cysteine (B) Convert cystine into cysteine (C) Incorporate cysteine into proteins (D) Reabsorb cystine in renal tubules
Description : he dominant pharmacokinetic feature of penicillin G is: A. It is equally distributed extra- and intracellularly B. It is rapidly secreted by proximal renal tubules C. It has low oral bioavailability ... pass metabolism in liver D. It does not cross blood-CSF barrier even when meninges are inflamed
Last Answer : B. It is rapidly secreted by proximal renal tubules
Description : 06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules
Last Answer : a) Low ability to penetrate through the cell membrane lipids
Description : What part of the body excretes nitrogenous wastes through urine ?
Last Answer : Urine excretes 80% of nitrogenous wastes from the body.
Description : A patient who excretes large quantity of sodium in urine has
Last Answer : A patient who excretes large quantity of sodium in urine has A. Diseased adrenal medulla B. ... adrenal cortex C. Diseased pancreas D. Diseased thymus
Last Answer : A patient who excretes large quantity of sodium in urine has A. Diseased adrenal cortex B. ... medulla C. Diseased parathyroid D. Diseased thymus
Description : N2O excretes through: A. Urine B. Lungs
Last Answer : B. Lungs
Description : Assertion : Oxytocin is also known as anti-diuretic hormone (ADH). Reason : Oxytocin can cause an increase in the renal reabsorbtion of water.
Last Answer : Assertion : Oxytocin is also known as anti-diuretic hormone (ADH). Reason : Oxytocin can cause an ... . D. If both Assertion and Reason are false.
Description : Assertion : Kidneys maintain the osmotic concentration of the blood . Reason : Kidneys eliminate either hypotonic or hypertonic urine according to the
Last Answer : Assertion : Kidneys maintain the osmotic concentration of the blood . Reason : Kidneys eliminate either ... D. If both Assertion and Reason are false
Description : Human urine as compared to human blood is (a) hypotonic (b) hypertonic (c) isotonic (d) all of these
Last Answer : Ans:(b)
Description : Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts
Last Answer : ANSWER: D -- THEIR GILLS ACTIVELY EXCRETE SALTS
Description : A simple way to assess tubular function is to withhold food and water for 12 hours and, then, measure (A) Serum urea (B) Serum creatinine (C) Urine output in one hour (D) Specific gravity of urine
Description : Specific gravity of urine is decreased in (A) Diabetes mellitus (B) Acute glomerulonephritis (C) Diarrhoea (D) Chronic glomerulonephritis
Last Answer : B
Description : Specific gravity of urine is raised in all of the following except (A) Diabetes mellitus (B) Diabetes insipidus (C) Dehydration (D) Acute glomerulonephritis
Last Answer : D
Description : Normal specific gravity of urine is (A) 1.000–1.010 (B) 1.012–1.024 (C) 1.025–1.034 (D) 1.035–1.045
Description : Fixation of specific gravity of urine to 1.010 is found in (A) Diabetes insipidus (B) Compulsive polydypsia (C) Cystinosis (D) Chronic glomerulonephritis
Description : Specific gravity of urine increases in (A) Diabetes mellitus (B) Chronic glomerulonephritis (C) Compulsive polydypsia (D) Hypercalcemia
Description : The specific gravity of urine normally ranges from (A) 0.900–0.999 (B) 1.003–1.030 (C) 1.000–1.001 (D) 1.101–1.120
Description : When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine ... by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.
Last Answer : a) Inadequate fluid volume Urine output of less than 25 ml/hr may indicate a decrease in cardiac output. A high specific gravity indicates increased concentration of solutes in the urine which occurs with inadequate fluid volume.
Description : In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water ... the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules
Last Answer : blood flow in the cortex is greater than that in the medulla
Description : Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water. (b) Distal convoluted tubule is ... reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.
Last Answer : (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules.
Description : ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized by
Last Answer : ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized by ... C. Anterior ptiuitary gland D. Hypothalamus
Description : Assertion: ADH reduces chloride loss in Urine. Reason: ADH decreases water absorption.
Last Answer : Assertion: ADH reduces chloride loss in Urine. Reason: ADH decreases water absorption. A. If both ... false D. If both Assertion and Reason are false
Description : How many parts and what are the renal tubules ?
Last Answer : : Renal Tubule: The wide duct of Bowman's capsule extending from the esophagus to the collecting duct is called the renal tubule. It is divided into three parts 1. Orthopedic or proximal spiral duct 2. Henley's loop and 3. Peripheral spiral duct
Description : How many renal tubules are there in two kidneys ?
Last Answer : The two kidneys have a total of 20 lakh renal tubules.