1. A 24-year-old female presents with complaints of intestinal bloating, gas, cramps, and diarrhea following a meal, including dairy products. A lactose-tolerance test confirms that she has a deficiency of lactase. Which of the following dairy products could you recommend that would be least likely to cause her difficulties in the future? a) Condensed milk […]
Practice questions-set-6 Read More »
1)- Several complexes in the electron transport chain contain non-heme iron. The iron in these complexes is bound tightly to which of the following amino acids? a) Serine b) Tyrosine c) Cysteine d) Methionine e) Glutamine 2)- A 27 –year-old female with epilepsy has been taking Phenytoin to control her seizures. She is pregnant, and
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Q.1-The pH of the body fluids is stabilized by buffer systems. Which of the following buffers is the most effective buffer system at physiological pH? a) Bicarbonate buffer b) Phosphate buffer c) Protein buffer d) Deoxy hemoglobin Q.2-Which of the following laboratory results below indicates compensated metabolic alkalosis? a) Low p CO2,
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Q.1- A 64-year-old man who develops acute renal failure while recovering from a severe acute myocardial infarction (Acute MI), Blood chemistry reveals: Na+ 140 mEq/L, K+ 4 mEq/L, Cl– 115 mEq/L, CO2 5 mEq/L, pH = 7.12, PaCO2 13 mmHg, and HCO3– 4 mEq/L. Calculate the anion gap and then choose the best answer for acid-base status. A) His anion gap
Acid-base and electrolyte balance (Multiple-choice questions) Read More »
Q.1- A 50- year-old male is seen in the emergency with a severe headache. His blood pressure is 210/130 mm Hg. Evidence of retinal hemorrhage and epistaxis is also there. He has been given an infusion of nitroprusside. Which of the following processes is directly affected by the active metabolite of this drug? a) Phospholipase
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1) Which of these enzyme reactions is not irreversible in glycolysis? a) Hexokinase b) Glucokinase c) 3-phosphoglycerate kinase d) Phosphofructokinase-1 e) Pyruvate kinase 2) Which of the following statements is not true about aerobic glycolysis? a) The rate-limiting enzyme is phosphofructokinase-1 which converts fructose-6- phosphate to fructose-1,6-bisphosphate b) The pathway is activated allosterically by fructose-2,6-bisphosphate
Carbohydrate metabolism-Practice questions Read More »
1)- Cholesterol is a precursor of all of the following except- a) Taurocholate b) Glycocholate c) Calcitriol d) Corticosteroids e) Calcitonin. 2)- All 27 carbon atoms of cholesterol are derived from- a) Acetyl CoA b) Acetoacetyl CoA c) Propionyl CoA d) Succinyl CoA e) Malonyl CoA 3)- Cytosolic 3-hydroxy-3-methylglutaryl CoA (HMG CoA) is reduced to
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Q.1- A 73-year-old woman is transferred to an intensive care unit after she is found to be in septic shock. It is believed that she originally had a urinary tract infection and that the bacteria seeded her bloodstream. The critical care fellow is concerned she may not have an adequate stress response in this situation.
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1)- Several complexes in the electron transport chain contain non-heme iron. The iron in these complexes is bound tightly to which of the following amino acids? a) Serine b) Tyrosine c) Cysteine d) Methionine e) Glutamine 2)- A 27 –year-old female with epilepsy has been taking Phenytoin to control her seizures. She is pregnant and
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Case details-1 A 45 year-old-female suffering from bronchial asthma was brought to an emergency in a critical state with extreme difficulty in breathing. The blood gas analysis revealed the following pH- 7.3 PCO2- 46 mm Hg PO2- 55 mm Hg HCO3- 24meq/L What is your Interpretation? Case discussion- Low pH – acidosis Low PO2
Case studies- Acid Base Balance and Imbalance Read More »
