31- A 47- year-old woman passes out at work and is brought to an emergency room. Her blood sugar is 34 mg/dl (normal >60 mg/dl). She is also tested for C-peptide, which is much higher than normal. What is the possible cause of this woman’s state? a) Anorexia b) High protein diet c) Exogenous administration […]
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16-A young man with normocytic anemia, jaundice, and splenomegaly was diagnosed as having RBC pyruvate kinase deficiency after a peripheral blood smear showed spiculated cells. Since in this patient, pyruvate kinase is abnormal, not only is less pyruvate made, but intermediates above pyruvate in the glycolytic pathway build up, slowing the pathway. Which of the
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1- A 38-year-old woman sees an advertisement for a new weight loss medication. The ad claims that the drug causes your body to burn calories without having to exercise. In theory, which of the following compounds could make this claim? a) Rotenone b) Antimycin c) Dinitrophenol d) Amytal e) Atractyloside 2- A 65-year-old man with
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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
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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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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
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Q.1- Which of the following is a storage form of lipid? a) Phospholipid b) Glycolipid c) Triacylglycerol d) Sulfolipid Q.2- Choose the monounsaturated fatty acid out of the following- a) Oleic acid b) Linoleic acid c) Linolenic acid d) Stearic acid Q.3- Choose the correct statement about fatty acids out of the following- a) The
Lipid chemistry- Multiple-choice questions (set-1) Read More »
1) – A mutation has changed an isoleucine residue of a protein to glutamic acid; which statement best describes its location in a hydrophilic exterior? a) On the surface, since it is hydrophilic b) Inside the core of the protein since it is hydrophobic c) Anywhere inside or outside d) Inside the core of protein
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Q.1- The alpha helix rises per turn a distance of which of the following? a) 0.54 nm b) 1.5 nm c) 3 nm d) 1.83 nm Q.2- Which is an antibiotic peptide out of the following? a) Bleomycin b) Penicillin c) Microcystin d) Creatine Q.3- Which protein out of the given has a length: width
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