Question 1

Which of the following statements are true regarding vitamin C? Choose all that apply.

Accepted Answer

Vitamin C is important in the maintenance of bone,teeth,and capillaries;for erythropoiesis;and for tissue repair.Vitamin C is found in citrus fruits,tomatoes,cabbage,and cherries.Vitamin C deficiency is known as scurvy.

Question 2

A patient with a history of alcohol abuse has been admitted to hospital for severe weakness and malnutrition.Which preparation will he receive to prevent Wernicke's encephalopathy?

Accepted Answer

Thiamine is useful in the treatment of a variety of thiamine deficiencies,including Wernicke's encephalopathy.

Question 3

Conditions such as infantile rickets,tetany,and osteomalacia are caused by a deficiency in which vitamin or mineral?

Accepted Answer

Conditions such as infantile rickets,tetany,and osteomalacia are all a result of long-term vitamin D deficiency.

Question 4

Which nursing diagnosis is appropriate for the patient undergoing therapy with vitamin A?

Accepted Answer

Vitamin A deficiency causes night blindness.

Question 5

What adverse effect may occur if calcium is given too rapidly in an intravenous (IV)infusion?

Accepted Answer

Cardiac dysrhythmia and cardiac arrest may occur if IV calcium is infused too quickly.

Question 6

Which preparation is given to newborns within 1 hour of delivery?

Accepted Answer

Deficiency in vitamin K can be seen in newborns as a result of malabsorption attributed to inadequate amounts of bile.AquaMEPHYTON is given as a single intramuscular (IM)dose to infants within 1 hour after delivery.

Question 7

Which dietary information is important for the patient taking calcium supplements?

Accepted Answer

Patients taking calcium supplements should be told to limit foods high in oxalate and zinc,such as nuts,legumes,chocolate,spinach,and soy products,and to avoid bran because these foods decrease the absorption of oral calcium supplementation.
Calcium products chelate or bind with tetracyclines,resulting in decreased effects of tetracyclines.Foods high in calcium include milk and other dairy products,shellfish,and dark green,leafy vegetables.Oral calcium supplements should be taken with meals.

Question 8

Which of the following symptoms may indicate toxicity during vitamin D therapy?

Accepted Answer

Anorexia is a sign of vitamin D toxicity.
Urticaria,diarrhea,and tinnitus are not signs of vitamin D toxicity.

Question 9

People who live in Canada's North often experience lack of which of the following vitamins?

Accepted Answer

People who live in Canada's North experience lack of light for much of the year and dress for intense cold,which reduces their opportunity for taking in vitamin D.Low levels of vitamin D are common in northern hemispheres.

Quiz 8: Vitamins and Minerals