MCQ on Liver with Answers:
1. How many lobes are present in the liver?
A. 4
B. 3
C. 2
D. 1
Answer: A. 4
Explanation: The liver is composed of four lobes: the right lobe, left lobe, caudate lobe, and quadrate lobe. This division helps in understanding the anatomical structure and functional organization of the liver.
2. What is the approximate weight of the liver in a healthy adult?
A. 1.4kg
B. 2.3kg
C. 0.9kg
D. 1.8kg
Answer: A. 1.4kg
Explanation: The liver typically weighs around 1.4kg in a healthy adult. This weight can vary based on factors such as body size and health.
3. Where is the liver located in the human body?
A. Beside pancreas
B. Beside heart
C.Beside kidney
D. Above the abdominal cavity
Answer: D. Above the abdominal cavity
Explanation: The liver is located in the upper right part of the abdominal cavity, just below the diaphragm. It is the largest internal organ of the human body.
4. The ability of liver to excrete drug in bile is expressed by………
A. hepatic clearance
B. biliary clearance
C. non-renal clearance
D. renal clearance
Answer: B. biliary clearance
Explanation: Biliary clearance refers to the ability of the liver to excrete drugs and other substances into bile, which is then released into the intestine.
5. Which protein is produced by liver?
A. Albumins
B. Glycoprotein
C. Protease
D. All of these
Answer: A. Albumins
Explanation: The liver produces albumins, which are important for maintaining oncotic pressure in the blood and transporting various substances.
6. Which of following is a liver disease?
A. Appendicitis
B. Cirrhosis
C. Conjunctivitis
D. Diabetes
Answer: B. Cirrhosis
Explanation: Cirrhosis is a chronic liver disease characterized by scarring and dysfunction of the liver tissue, often caused by conditions such as chronic alcoholism or viral hepatitis.
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7. Which of the following vitamin can be produced by the liver?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer: A. Vitamin A
Explanation: The liver stores and processes many vitamins, including synthesizing and storing vitamin A.
8. If liver from body is removed then which component of blood increases________
A. Ammonia
B. Protein
C. Urea
D. Uric acid
Answer: A. Ammonia
Explanation: The liver plays a crucial role in removing ammonia (a byproduct of protein metabolism) from the blood. If the liver is removed, ammonia levels in the blood can increase significantly.
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9. All the following are correct statements about liver cells except:
A. They convert amino acids into glucose.
B. They form cholesterol.
C. They release glucose when blood glucose tend to decrease.
D. They are the only site of synthesis of plasma globulins.
Answer: D. They are the only site of synthesis of plasma globulins.
Explanation: While liver cells (hepatocytes) perform many functions including converting amino acids into glucose, forming cholesterol, and releasing glucose into the blood, plasma globulins are synthesized not only in the liver but also in other organs like lymphocytes and plasma cells.
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10. What is the function of liver?
A. Metabolism of proteins, fats and carbohydrates.
B. Production of bile and excretion of bilirubin, cholesterol, drugs and hormones.
C. The liver is also involved in activating enzymes and also stores vitamins, minerals and glycogen.
D. All of these
Answer: D. All of these
Explanation: The liver has multiple functions including metabolism of proteins, fats, and carbohydrates, production of bile for digestion, excretion of bilirubin, cholesterol, drugs, and hormones, activation of enzymes, and storage of vitamins, minerals, and glycogen. Therefore, all options (A, B, C) are correct regarding the liver's functions.