Which of the following medications lower blood pressure by reducing cardiac cell excitability?
a. Calcium channel blockers
b. Diuretics
c. ACE inhibitors
d. Beta-adrenoceptors
a. Calcium channel blockers
rationale: "Calcium channel blockers" is correct. When calcium enters the cell, it causes the cell to contract. Therefore, calcium channel blockers reduce cardiac cell excitability.
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The nurse is reviewing data collected from a client with infective endocarditis. Which data should be documented that indicates the client's condition is not improving? (Select all that apply.)
1. Thirst 2. Fatigue 3. Hunger 4. Itchy red skin 5. Shortness of breath
A type 2 diabetic is ordered metformin (Glucophage) as part of the management regime. Which is the best nursing explanation for the action of this drug in controlling glucose levels?
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The school nurse is teaching parents about the effects of bullying on school children. Which of the following accurately describes this developmental concern?
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The nurse is changing a client's dressing, and notes that the wound is obviously infected. The drainage is purulent, and has a foul odor
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