food-drug interaction MCQs 2

1- A patient receiving warfarin should moderate their intake of which food?
a- Green leafy vegetables.
b- Beans and legumes
c- High acid fruits
d- Milk and cheese
Answer: a
2- Which of the following is not usually considered for drug-nutrient interactions when using diuretics?
a- Vitamin D
b- Vitamin C
c- Potassium
d- Vitamin B6
Answer: a
3- You are caring for a patient who is taking the medication Isoniazid. What vitamin should be supplemented?
a- Vitamin B12
b- Vitamin B6
c- Folic acid
d- Vitamin A
Answer: b
4- Medication for gastrointestinal motility include all of the following expect:
a- Erythromycin
b- Reglan
c- Phenytoin
d- Cisapride
Answer: c
5- To avoid gastric upset, iron supplements should be take:
a- Between meals
b- In very small doses
c- With large amounts of water
d- With meals
Answer: d
6- A client is taking the anticoagulant warfarin. The health care professional should periodically evaluate the
client’s intake of:
a- Folate.
b- vitamin K, herbs, and dietary supplements
c- vitamin D, caffeine, oxalates, and phytates
d- calcium, vitamin D, caffeine, and licorice
Answer: b

7- For a client taking the antibiotic tetracycline, which foods and medications should not be taken the same time as
the tetracycline?
a- milk, calcium-containing antacids, mineral supplements.
b- milk, calcium-containing antacids, folate supplements.
c- grapefruit juice, caffeine, mineral supplements.
d- grapefruit juice, Milk, calcium-containing antacids.
Answer: a
8- Laxative-cathartic drugs such as phenolphthalein and bisacodyl (Dulcolax) can cause decreased absorption of
a- water
b- potassium
c- sodium
d- all of the above
Answer: d
9- The drug knows to cause iron deficiency through chronic blood loss is
a- Aspirin
b- Antibiotics
c- Diuretic
d- Insulin
Answer: a
10- Drug that potentiates hyperglycemia is
a- Aspirin
b- Bactrin
c- Corticosteroids
d- Allopurinol (antihypertensive drugs)
Answer: c
11- Enteric-coated drugs such as ------------ when administered with foods, result in --------
a- Griseofulvin (Fulvicin) and ferrous sulfate (Entron) - increased alkalinity and decreased absorption.
b- Aspirin and erythromycin - increased alkalinity and increased absorption.
c- Griseofulvin (Fulvicin) and ferrous sulfate (Entron) - increased acidity and increased absorption
d- Aspirin and erythromycin - increased acidity and increased absorption
Answer: d
12- Elderly persons frequently take aspirin for rheumatoid arthritis and, when taken chron-ically without meals, it
can result in_____________________
a- Gastric irritation.
b- Gastric bleeding.
c- Iron deficiency anemia.
d- All of the above.
Answer: d

13- The segment of the population most at risk for developing a drug-nutrient interaction are:
a- Infants
b- Adolescents
c- Middle-age adults
d- Elderly
Answer: d
14- Which of the following is not a general symptom of a drug-nutrient interaction?
a- Decreased appetite
b- Nausea
c- Altered taste sensation
d- Altered visual acuity.
Answer: d
15- A type of over-the-counter drug which can produce severe malabsorption is/are:
a- Pain relievers
b- Antacids
c- Laxatives
d- antihistamines.
Answer: c
16- A drug used to treat hepatic encephalopathy because it prevents absorption of ammonia in the intestine is:
a- Leucine
b- Lactulose
c- Nitrosamine
d- Raffinose
Answer: b
17- The biggest problem associated with the use of drugs in treatment of obesity is
a- Cost
b- chronic dosage
c- ineffectiveness.
d- adverse side effects.
Answer: b & c
18- Which of the following best describes insulin therapy in a person receiving both NPH insulin and insulin analog?
a- Since NPH insulin is of long duration, there is no need for the insulin analog.
b- NPH insulin covers basal insulin needs while the insulin analog covers the carbohydrate from meals.
c- NPH insulin covers the carbohydrate from meals while the insulin analog cover basal insulin needs.
d- Since glucose is not available from food between meals, the insulin analog alone would cover the person's
insulin needs.
Answer: b
19- Over-the-counters and prescription medications:
a- must be use under the supervision of a physician.
b- cannot make health claims.
c- do not require approval of the FDA prior to reaching the market.
d- require research to support their safety and effectiveness before they reach the market.
Answer: d

20- Absorption of drugs after oral administration is governed by the following factors in the gastrointestinal tract:
a- pH, secretions, motility.
b- secretions, length of the tract.
c- length of the tract
Answer: a
21- Enteric-coated drugs such as ___________ when administered with foods, result in _________
a- Griseofulvin (Fulvicin) and ferrous sulfate (Entron) - increased alkalinity and decreased absorption.
b- Aspirin and erythromycin - increased al¬kalinity and increased absorption.
c- Griseofulvin (Fulvicin) and ferrous sulfate (Entron) - increased acidity and increased absorption
d- Aspirin and erythromycin - increased ac¬idity and increased absorption
Answer: d
22- The excretion of an acidic drug like Phenobarbital is_______by the urine pH becoming more______.
a- decreased – acidic.
b- increased – basic.
c- decreased – basic.
d- a & b.
Answer: d
23- Laxative-cathartic drugs such as phenolphthalein and bisacodyl (Dulcolax) can cause decreased absorption
of:
a- water
b- potassium
c- sodium
d- all of the above
Answer: d
24- Many elderly persons take antacids containing aluminum and magnesium hydroxide. Large doses of aluminum
hydroxide can result in _________and magnesium hydroxide can result in _____________
a- constipation – diarrhea.
b- dehydration - gastric ulcers.
c- decreased iron absorption - macrocytic anemia.
d- none of the above.
Answer: a
25- Elderly persons frequently take aspirin for rheumatoid arthritis and, when taken chronically without meals, it can
result in_____________________
a- gastric irritation.
b- gastric bleeding.
c- iron deficiency anemia.
d- all of the above.
Answer: d

26- In order to be absorbed, what does non-heme iron require?
a- A reducing agent
b- An oxidizing agent
c- Intrinsic factor
d- An iron transport protein pump
Answer: a