Page 88 - Practical Handout bio 2 mnu 2025_Neat

Level two – Semester 4 - PharmD Biochemistry-II PB-403 (Practical course) 2024/2025

3. Elevated ammonia levels in the blood are primarily associated with

which condition?

A. Hepatic encephalopathy

B. Hypoglycemia

C. Renal failure

D. Cardiac arrest

Answer: A. Hepatic encephalopathy

4. Which of the following conditions in children may require an ammonia

test for diagnosis?

A. Reye’s syndrome

B. Cystic fibrosis

C. Type 1 diabetes mellitus

D. Juvenile rheumatoid arthritis

Answer: A. Reye’s syndrome

5. In patients with impaired liver function, why does ammonia

accumulate in the blood?

A. Increased production of ammonia in the kidneys

B. Decreased metabolism of ammonia to urea by the liver

C. Increased reabsorption of ammonia in the intestine

D. Decreased excretion of ammonia by the lungs

Answer: B. Decreased metabolism of ammonia to urea by the liver

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