Which of the following vitamins is antagonistic to the anticoagulant drug Coumad

Question

Which of the following vitamins is antagonistic to the anticoagulant drug Coumadin (warfarin)? a. Vitamin K b. Vitamin A c. Vitamin D d. The correct answer is not given Which of the following vitamin deficiencies is most common among alcoholies? a. Thiamin b. Vitamin D c. Vitamin C d. Vitamin B2 What nutrient(s), if deficient, can lead to megaloblastic anemia? a. Folate b. Vitamin B12 c. Iron d. Two of the above are correct answers. e. All of the above are correct Beriberi is the term used to denote deficiency of ____ a. Riboflavin b. Niacin c. Thiamin d. Pyridoxine e. None of the above is the correct response. Which classical vitamin deficiency is known for the four D's: dermatitis, dementia, diarrhea, and death? a. Thiamin b. Niacin c. Biotin d. Folic acid What nutrient is involved in acyl transfer reaction? a. Foliate b. Biotin c. Pantothenic acid d. Riboflavin What nutrient, if deficient, produces scurvy? a. Vitamin A b. Vitamin C c. Vitamin E d. Vitamin D

Explanation / Answer

Question 17.

Answer:

Correct Option:

a. Vitamin K

Explanation:

Vitamin K is a group of fat soluble viitamins the human body requires for synthesis of certain proteins that are required for blood coagulation. So, large amounts of food containing Vitamin K can change the way the anticoagulant drug Coumadin (Warfarin) works.

Thus, we can say that Vitamin K is antagonistic to the anticoagulant drug Coumadin.

Question 18.

Answer:

Correct Option:

a. Thiamin

Explanation:

Thiamin is also known as Vitamin B1. Chronic alcohol consumption can cause a deficiency in this essential nutrient. This can result in alcohol induced brain damage.

Question 19.

Answer:

Correct Option:

d. Two of the above are correct answers.

Explanation:

Megaloblastic anemia is an anemia that results due to inhibition of DNA synthesis during red blood cell production.

It is due to deficiency of Vitamin B12 and/or folic acid.

Vitamin B12 deficiency alone cannot cause it as the mechanism is loss of Vitamin B12 dependent folate recycling and folate deficiency leads to loss of nucleic acid synthesis.

Question 20.

Answer:

Correct Option:

c. Thiamin

Explanation:

Berberi symptoms are primarily caused due to the deficiency of thiamin (Vitamin B1).

Symptoms imclude weight loss, emotional disturbances, weakness, pain in limbs, irregular heart rate, edema, etc.

Question 21.

Answer:

Correct Option:

b. Niacin

Explanation:

Pellagra is classically described by "the four Ds". It is a vitamin deficiency disease frequently caused due to chronic lack of niacin (Vitamin B3) in the diet.

Question 22.

Answer:

Correct Option:

c. Pantothenic acid

Explanation:

Pantothenic acid is a coomponent of coenzyme A (CoA). Its main function is the activation of acyl groups for transfer to nucleophilic acceptors.

Question 23.

Answer:

Correct Option:

b. Vitamin C

Explanation:

Scurvy is a disease caused due to lack of vitamin C.

Its symptoms include weakness, curly hair, sore arms and legs, gum diseases, etc.

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