Description : Normal range of serum chloride is (A) 24–27 mEq/L (B) 70–80 mEq/L (C) 100–106 mEq/L (D) 120–140 mEq/L
Last Answer : Answer : C
Description : Normal range of serum sodium is (A) 30–70 mEq/L (B) 70–110 mEq/L (C) 117–135 mEq/L (D) 136–145 mEq/L
Last Answer : Answer : D
Description : The normal serum value for potassium is a) 3.5-5.5 mEq/L. Serum potassium must be within normal limits to prevent cardiac dysrhythmias. b) 135-145 mEq/L. Normal serum sodium is 135-145 mEq/L. c) 96-106 mEq/L. ... is 96-106 mEq/L. d) 8.5-10.5 mg/dL. Normal total serum calcium is 8.5-10.5mg/dL.
Last Answer : a) 3.5-5.5 mEq/L. Serum potassium must be within normal limits to prevent cardiac dysrhythmias.
Description : What is the normal level of K+ in the serum ? (A) 137–148 mEq/L (B) 120–160 mEq/L (C) 3.9–5.0 mEq/L (D) 0.3–0.59 mEq/L
Description : The normal serum CO2 content is (A) 18–20 meq/L (B) 24–29 meq/L (C) 30–34 meq/L (D) 35–38 meq/L
Last Answer : Answer : B
Description : Which of the normal range of ionized calcium in plasma is (A) 2-4 mg/dl (B) 2-4 mEq/L (C) 4-5 mg/dl (D) 4-5 mEq/L
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 : 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
Description : The normal concentration of potassium in human plasma in meq/I is about (A) 1 (B) 2 (C) 3 (D) 5
Description : A 70-year-old patient presented with weakness, tiredness and muscle cramps. The ECG showed Q-T prolongation, flattening of T wave and occasional A-V block. His serum K+ was low (2.8 mEq ... could be responsible for the above condition: A. Bisacodyl B. Liquid paraffin C. Methylcellulose D. Bran
Last Answer : A. Bisacodyl
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.
Description : Normal anion gap in plasma is about (A) 5 meq/L (B) 15 meq/L (C) 25 meq/L (D) 40 meq/L
Description : The normal concentration of bicarbonate in blood is (A) 21 meq/L (B) 24 meq/L (C) 26 meq/L (D) 30 meq/L
Description : Which of the following statements are true of a patient with hyperglycemia and hyponatremia? A. The sodium concentration must be corrected by 5 mEq. per 100 mg. per 100 ml. elevation in blood ... . E. Early in treatment adequate urine output is a reliable measure of adequate volume resuscitation.
Last Answer : Answer: D DISCUSSION: Each 100-mg. per 100 ml. elevation in blood glucose causes a fall in serum sodium concentration of approximately 2 mEq. per liter. Excess serum glucose ... correction of the patient's associated acidosis produce movement of potassium ions into the intracellular compartment
Description : A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results ... 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration
Last Answer : Answers-3 Bit too easy really. A high or even normal PTH concentration in the presence of hypercalcaemia would support the diagnosis of hyperparathyroidism. A high urinary Calcium concentration may ... but neither confirm the diagnosis. Elevated 1,25 VitD suggests a diagnosis of hypervitaminosis D.
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."
Description : Normal range of serum creatinine is (A) 0.6–1.5 mg/dl (B) 9–11 mg/dl (C) 20–45 mg/dl (D) 60–100 mg/dl
Last Answer : Answer : A
Description : Normal range of serum urea is (A) 0.6–1.5 mg/dl (B) 9–11 mg/dl (C) 20–45 mg/dl (D) 60–100 mg/dl
Description : The normal serum GOT activity ranges from (A) 3.0–15.0 IU/L (B) 4.0–17.0 IU/L (C) 4.0–60.0 IU/L (D) 0.9–4.0 IU/L
Description : The normal range of total serum bilirubin is (A) 0.2–1.2 mg/100 ml (B) 1.5–1.8 mg/100 ml (C) 2.0–4.0 mg/100 ml (D) Above 7.0 mg/100 ml
Description : All the following statements about cystic fibrosis are correct except (A) It is inherited as an autosomal recessive disease (B) It affects a number of exocrine glands (C) It causes increased sweating (D) Sweat chlorides are above 60 mEq/L in this disease
Description : The normal range of indirect (unconjugated) bilirubin in serum is (A) 0–0.1 mg/100 ml (B) 0.1–0.2 mg/100 ml (C) 0.2–0.7 mg/100 ml (D) 0.8–1.0 mg/100 ml
Description : Normal range of plasma total phospholipids is (A) 0.2–0.6 mmol/L (B) 0.9–2.0 mmol/L (C) 1.8–5.8 mmol/L (D) 2.8–5.3 mmol/L
Description : Normal range of total thyroxine in serum is (A) 0.8–2.4 ng/dl (B) 0.8–2.4 µg/dl (C) 5–12 ng/dl (D) 5–12 µg/dl
Description : Normal range of serum globulin is (A) 2.0–3.6 mg/dl (B) 2.0–3.6 gm/dl (C) 3.5–5.5 mg/dl (D) 3.5–5.5 gm/dl
Description : Normal range of serum albumin is (A) 2.0–3.6 gm/dl (B) 2.0–3.6 mg/dl (C) 3.5–5.5 gm/dl (D) 3.5–5.5 mg/dl
Description : The normal range of direct reacting (conjugated) serum bilirubin is (A) 0–0.1 mg/100 ml (B) 0.1–0.4 mg/100 ml (C) 0.4–06 mg/100 ml (D) 0.5–1 mg/100 ml
Description : The normal value of CPK in serum varies between (A) 4–60 IU/L (B) 60–250 IU/L (C) 4–17 IU/L (D) > 350 IU/L
Description : Normal range of total tri-iodothyronine in serum is (A) 0.1–0.2 ng/dl (B) 0.1–0.2 µg/dl (C) 0.8–2.4 ng/dl (D) 0.8–2.4 µg/dl
Description : A 60-year-old man was diagnosed last year with adenocarcinoma of the lung, and a 4 cm mass lesion was treated with a right lower lobectomy. He now has an ... 2) Membranous glomerulonephritis 3) Minimal change glomerulonephritis 4) Nodular glomerulosclerosis 5) Rapidly progressive glomerulonephritis
Last Answer : Answers-2 Most cases of membranous GN are idiopathic, but in some patients there is a history of an infection or a malignancy (usually lung) with antigenemia.
Description : Normal total serum calcium level varies between (A) 4–5 mg (B) 9–11 mg (C) 15–20 mg (D) 50–100 mg WATER AND ELECTROLYTE BALANCE 281
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 : 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
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
Description : Serum potassium level decreases in (A) Familial periodic paralysis (B) Addison’s disease (C) Renal failure (D) All of these
Description : The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)
Last Answer : Ans.2–4, < 2.5, < 10 and 10,000 ha
Description : In normal individuals glycosuria occurs when the venous blood glucose concentration exceeds (A) 5–6 mmol/L (B) 7–8 mmol/L (C) 8.5–9 mmol/L (D) 9.5–10 mmol/L
Description : The normal serum level of triiodothyronine (T3) is (A) 0.2–0.5 ng/ml (B) 0.7–2.0 ng/ml (C) 2.0–4.0 ng/ml (D) 5.0–8.0 ng/ml HORMONE METABOLISM 211
Description : The normal serum level of phosphorus in human adult is (A) 1–2 mg (B) 2–3 mg (C) 3–4.5 mg (D) 5–7 mg
Description : Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm
Description : The normal serum level of phosphorous in children varies from (A) 1–2 mg/100 ml (B) 2–3 mg/100 ml (C) 3–4 mg/100 ml (D) 4–7 mg/100 ml
Description : After operative removal of the parathyroid glands resulting into hypoparathyroidism the concentration of the serum calcium may drop below (A) 11 mg (B) 10 mg (C) 9 mg (D) 7 mg
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 : A 16 year old male with a day history of malaise, weakness and vomiting. He was diagnosed with Insulin dependent diabetes mellitus 3 years prviously. Which ONE of the following supports a diagnosis of ... serum glucose 14 mmol/l 4) Decreased appetite in the past few days 5) Shallow respirations
Last Answer : Answers-2 a-An unusual but recognised feature particularly in children. However does not support a diagnosis of DKA. b-Suggests metabolic acidosis. c-'Normoglycaemic DKA' can occur and a glucose ... anorexia. e-Respiratory compensation leads to rapid deep (Kussmaul's) breathing. (Dr Mike Mulcahy)
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.
Description : Serum a lka l ine phosphatase leve l increases in (A) Hypothyroidism (B) Carcinoma of prostate (C) Hyperparathyroidism (D) Myocardial ischemia
Description : A 75-year-old man had been receiving gentamicin (an aminoglycoside antibiotic) to treat an urinary tract infection. After three months of therapy patient's serum creatinine levels were 10 mg/ ... Type II allergic reaction b)Type III allergic reaction c) Pseudo allergic reaction d) Overdose toxicity
Last Answer : d) Overdose toxicity
Description : The normal serum level of thyroxine (T4) is (A) 2.0–4.0 µg/100 ml (B) 5.5–13.5 µg/100 ml (C) 14.0–20.3 µg/100 ml (D) 20.0–25.0 µg/100 ml
Description : The normal serum inorganic phosphorous level is (A) 1.5–2.5 mg/100 ml (B) 2.5–4.5 mg/100 ml (C) 4.5–6.5 mg/100 ml (D) 0.5–1.5 mg/100 ml
Description : Normal serum level of selenium is (A) 5 µg /100 ml (B) 8 µg /100 ml (C) 10 µg /100 ml (D) 13 µg /100 ml