Lecture 21 & 22 MEOS & Alcohol Metabolism- MC

Question 1

What is the role of the Microsomal Ethanol-Oxidizing System (MEOS) in the body?
A) It transports ethanol across cell membranes.
B) It detoxifies high amounts of alcohol and other substances.
C) It produces alcohol in the liver.
D) It stores ethanol in the liver.

Answer 1

B

Question 2

Why are women generally at a higher risk of alcohol toxicity compared to men?
A) Women metabolize alcohol faster than men.
B) Women have a larger liver and more body water.
C) Women have a smaller liver and less body water to dilute alcohol.
D) Women consume more alcohol on average than men.

Answer 2

C

Question 3

What harmful byproduct is produced by both ADH and MEOS during ethanol oxidation?
A) Ethanol
B) Acetate
C) Acetaldehyde
D) Carbon dioxide

Answer 3

C

Question 4

What are ‘adducts’ in the context of alcohol metabolism?
A) Enzymes that help metabolize alcohol.
B) Liver cells specialized in alcohol detoxification.
C) Complexes formed by the binding of acetaldehyde to proteins, causing cellular dysfunction.
D) Proteins that enhance the absorption of alcohol in the stomach.

Answer 4

C

Question 5

What is one of the serious health implications of chronic alcoholism?
A) Improved liver function.
B) Enhanced glucose metabolism.
C) Hepatic cirrhosis or hepatic scarring.
D) Increased production of digestive enzymes.

Answer 5

C

Question 6

What is the recommended safe alcohol consumption limit per day for women?
A) 1 drink
B) 2 drinks
C) 3 drinks
D) No safe limit

Answer 6

A

Question 7

Which of the following is a benefit of moderate alcohol consumption?
A) Increased risk of breast cancer.
B) Reduction in the risk of cognitive impairment and dementia in the elderly.
C) Decreased HDL levels.
D) Enhanced risk of hypertension in men.

Answer 7

B