Nokea
Which of the following is an alfa glucosidase inhibitor:
- A. Rosiglitazone
- B. Stagliptine
- C. Exenatide
- D. Acarbose
Correct Answer: D
Rationale: Acarbose inhibits alpha-glucosidase enzymes in the intestine, delaying carbohydrate digestion and absorption, thus reducing postprandial glucose levels.
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A group of nursing students are reviewing the concept known as the five +1 rights of drug administration. The group demonstrates understanding of this concept when they identify which of the following as being included?
- A. Right documentation
- B. Right patient
- C. Right route
- D. All the above
Correct Answer: D
Rationale: The five +1 rights of drug administration include the following: right patient, right drug, right dose, right route, right time, and right documentation.
A drug with a half-life of 4 hours is administered at a dosage of 100 mg. How much of the drug will be in the patient's system 8 hours after administration?
- A. 75 mg
- B. 50 mg
- C. 37.5 mg
- D. 25 mg
Correct Answer: D
Rationale: The half-life of a drug is the time it takes for the amount of drug in the body to decrease to 1 half the peak level it previously achieved. Option A would occur 2 hours after administration of the drug. Option B would occur at 4 hours. Option C would occur at 6 hours. Option D would occur at 8 hours after the original administration of the drug.
Patients who are on or who will be starting chronic corticosteroid therapy need monitoring of:
- A. Serum glucose
- B. Stool culture
- C. Folate levels
- D. Vitamin B12
Correct Answer: A
Rationale: Corticosteroids raise glucose, requiring monitoring; stool or vitamins aren't routine.
Isoniazid (INH) may induce a deficiency of which vitamin?
- A. B6
- B. C
- C. D
- D. E
Correct Answer: A
Rationale: Isoniazid interferes with vitamin B6 (pyridoxine) metabolism, increasing deficiency risk.
Sarah developed a rash after using a topical medication. This is a type __ allergic drug reaction.
- A. I
- B. II
- C. III
- D. IV
Correct Answer: D
Rationale: A rash from topical medication is a Type IV (delayed hypersensitivity) reaction , typically contact dermatitis, not immediate (I), cytotoxic (II), or immune complex (III).