Biochemistry MCQs 2026

Biochemistry case 24: a starvation case presenting with drug reaction requires the clinician to

1. A stop suspected agent and document allergy in patient record ✓
2. B delay all investigations until next outpatient visit ✓
3. C discharge without vital sign monitoring ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 40: a fasting patient presenting with drug reaction requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C stop suspected agent and document allergy in patient record ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 52: a fasting patient presenting with shock resuscitation requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C give crystalloid bolus and identify underlying cause promptly ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 62: a diabetic in DKA presenting with shock resuscitation requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D give crystalloid bolus and identify underlying cause promptly ✓

Glycolysis in medicine refers to

1. A synthesis of glucose from non-carbohydrate precursors ✓
2. B fatty acid breakdown in mitochondria for energy ✓
3. C conversion of ammonia to urea in liver ✓
4. D breakdown of glucose to pyruvate in cytoplasm ✓

Krebs cycle in medicine refers to

1. A breakdown of glycogen to glucose ✓
2. B production of ketone bodies during prolonged fasting ✓
3. C citric acid cycle in mitochondria producing NADH and FADH2 ✓
4. D transfer of amino group between molecules ✓

Oxidative phosphorylation in medicine refers to

1. A fatty acid breakdown in mitochondria for energy ✓
2. B conversion of ammonia to urea in liver ✓
3. C ATP synthesis via electron transport chain ✓
4. D removal of amino group from amino acids ✓

Gluconeogenesis in medicine refers to

1. A synthesis of glucose from non-carbohydrate precursors ✓
2. B production of ketone bodies during prolonged fasting ✓
3. C transfer of amino group between molecules ✓
4. D breakdown of glucose to pyruvate in cytoplasm ✓

Glycogenolysis in medicine refers to

1. A conversion of ammonia to urea in liver ✓
2. B removal of amino group from amino acids ✓
3. C breakdown of glycogen to glucose ✓
4. D citric acid cycle in mitochondria producing NADH and FADH2 ✓

Beta oxidation in medicine refers to

1. A transfer of amino group between molecules ✓
2. B breakdown of glucose to pyruvate in cytoplasm ✓
3. C ATP synthesis via electron transport chain ✓
4. D fatty acid breakdown in mitochondria for energy ✓

Ketogenesis in medicine refers to

1. A production of ketone bodies during prolonged fasting ✓
2. B removal of amino group from amino acids ✓
3. C citric acid cycle in mitochondria producing NADH and FADH2 ✓
4. D synthesis of glucose from non-carbohydrate precursors ✓

Urea cycle in medicine refers to

1. A breakdown of glucose to pyruvate in cytoplasm ✓
2. B conversion of ammonia to urea in liver ✓
3. C ATP synthesis via electron transport chain ✓
4. D breakdown of glycogen to glucose ✓

Transamination in medicine refers to

1. A citric acid cycle in mitochondria producing NADH and FADH2 ✓
2. B transfer of amino group between molecules ✓
3. C synthesis of glucose from non-carbohydrate precursors ✓
4. D fatty acid breakdown in mitochondria for energy ✓

Deamination in medicine refers to

1. A ATP synthesis via electron transport chain ✓
2. B breakdown of glycogen to glucose ✓
3. C production of ketone bodies during prolonged fasting ✓
4. D removal of amino group from amino acids ✓

Biochemistry case 5: a diabetic in DKA presenting with drug reaction requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B stop suspected agent and document allergy in patient record ✓
3. C discharge without vital sign monitoring ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 9: a starvation case presenting with shock resuscitation requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C give crystalloid bolus and identify underlying cause promptly ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 10: a fasting patient presenting with fever workup requires the clinician to

1. A assess focus of infection and start empiric antibiotics if indicated ✓
2. B delay all investigations until next outpatient visit ✓
3. C discharge without vital sign monitoring ✓
4. D prescribe antibiotics without clinical indication ✓

Biochemistry case 12: a starvation case presenting with fever workup requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D assess focus of infection and start empiric antibiotics if indicated ✓

Biochemistry case 74: a diabetic in DKA presenting with fever workup requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D assess focus of infection and start empiric antibiotics if indicated ✓