Metformin is a primary choice of drug to treat hyperglycemia in type 2 diabetes because it:
- A. Substitutes for insulin usually secreted by the pancreas
- B. Decreases glycogenolysis by the liver
- C. Increases the release of insulin from beta cells
- D. Decreases peripheral glucose utilization
Correct Answer: B
Rationale: Metformin reduces hepatic glucose output (glycogenolysis), key in type 2 diabetes; it doesn't mimic insulin or increase release .
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Data in the electronic health record that the provider reviews prior to a patient encounter varies with the clinic setting. In an urgent care clinic, the provider should review:
- A. The patient's current diagnosis and history
- B. Drugs the patient is currently taking
- C. Any recent previous encounter for the same problem as this visit and what was done
- D. All of the above
Correct Answer: D
Rationale: In urgent care, reviewing diagnosis, medications, and prior encounters ensures comprehensive care.
In the blood glucocorticoids cause:
- A. Increase amount of eosinophles
- B. Lymphocytosis
- C. Increase amount of neutrophils
- D. Increase amount of basophiles
Correct Answer: C
Rationale: Glucocorticoids increase neutrophils while decreasing eosinophils and lymphocytes in the blood.
A nurse is providing information to a client who has early Parkinson's disease and a new prescription for pramipexole. The nurse should instruct the client to monitor for which of the following adverse effects of this medication?
- A. Hallucinations
- B. Increased salivation
- C. Diarrhea
- D. Discoloration of urine
Correct Answer: A
Rationale: Pramipexole, a dopamine agonist, can cause hallucinations , especially in Parkinson's patients.
A nurse is administering digoxin to a patient. To administer medications so that the drug is as effective as possible, the nurse needs to consider what?
- A. Peak plasma level
- B. Half-life
- C. Drug interactions
- D. Timing of administration
Correct Answer: D
Rationale: To maximize digoxin's effectiveness, the nurse must consider timing of administration to align with therapeutic levels and avoid toxicity, especially given its narrow therapeutic index. Peak plasma level, half-life, and drug interactions are factors, but timing is critical for efficacy.
Sadie was prescribed betaxolol ophthalmic drops by her ophthalmologist to treat her glaucoma. Oral beta blockers should be avoided in patients who use ophthalmic beta blockers because:
- A. There may be an antagonistic reaction between the two
- B. The additive effects may include bradycardia
- C. They may potentiate each other and cause respiratory depression
- D. The additive effects may cause metabolic acidosis
Correct Answer: B
Rationale: Ophthalmic betaxolol can add to oral beta blockers, risking bradycardia; respiratory or acidosis are less likely.