Chapter 80: Vitamins

Chapter 80: Vitamins

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. The nurse is teaching a nutrition class to a group of nursing students. The nurse asks, “Which vitamin cannot be stored in large amounts in the body and requires frequent ingestion for replacement?” The students would be correct to respond vitamin

ANS:   B

Minimal storage of the B vitamins occurs in the body, therefore frequent ingestion is needed to replenish them.

Vitamins A, D, and E are fat soluble and are stored in the body.

DIF:    Cognitive Level: Comprehension      REF:    p. 951

TOP:    Nursing Process: Implementation

MSC:   NCLEX Client Needs Category: Health Promotion and Maintenance

2. The patient has an order for vitamin K, to be given intravenously (IV) now. The nurse would suspect that the patient most likely has been taking which medication?

ANS:   C

The primary indication for IV vitamin K is to correct a warfarin overdose.

Protamine sulfate is indicated for heparin overdose.

No true antidote exists for aspirin overdose

Vitamin K would not treat an overdose of enoxaparin.

DIF:    Cognitive Level: Comprehension      REF:    p. 957

TOP:    Nursing Process: Assessment

MSC:   NCLEX Client Needs Category: Physiological Integrity: Reduction of Risk Potential

3. A pregnant woman tells the nurse that she takes daily vitamin supplements. Since learning of her pregnancy, she has increased her vitamin A supplement to 1200 RAEs per day. The nurse should

ANS:   C

Vitamin A is highly teratogenic. An excessive intake during pregnancy can cause malformation of the fetal heart, skull, and other structures. Pregnant women should not exceed the upper limit for vitamin A and should not exceed the recommended dietary allowance (RDA).

The dose is not appropriate during pregnancy.

Vitamin A is not water soluble.

DIF:    Cognitive Level: Application             REF:    p. 952

TOP:    Nursing Process: Implementation

MSC:   NCLEX Client Needs Category: Physiological Integrity: Reduction of Risk Potential

4. The first indication of vitamin A deficiency is

ANS:   C

Vitamin A is needed for dark adaptation; night blindness often is the first indication of deficiency.

Easy bruising is a sign of clotting abnormalities and would be related to a deficiency of vitamin K.

Sore tongue is a sign of niacin deficiency.

Sore, bleeding gums are a sign of vitamin C deficiency.

DIF:    Cognitive Level: Application             REF:    p. 952

TOP:    Nursing Process: Assessment

MSC:   NCLEX Client Needs Category: Physiological Integrity: Physiological Adaptation