Nokea
A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a...
- A. Physiological antagonist
- B. Competitive antagonist
- C. Noncompetitive antagonist
- D. Partial agonist
Correct Answer: C
Rationale: Noncompetitive antagonists reduce maximal response (efficacy) without shifting potency, matching the description.
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Adherence to beta blocker therapy may be affected by their:
- A. Short half-lives requiring twice daily dosing
- B. Tendency to elevate lipid levels
- C. Effects on the male genitalia, which may produce impotence
- D. None of the above
Correct Answer: C
Rationale: Impotence is a known side effect that can reduce adherence to beta blockers.
Insuline:
- A. Facilitate glucose absorbtion in the small intestines
- B. Increase sensitivity of insuline receptors
- C. Facilitate glucose permeability in the cell and utilization
- D. Increase glycogen storage
Correct Answer: C
Rationale: Insulin facilitates glucose permeability and utilization and increases glycogen synthesis in cells.
The Centers for Disease Control recommends all newborn infants receive prophylactic administration of ____ within 1 hour of birth.
- A. Gentamicin ophthalmic ointment
- B. Ciprofloxacin ophthalmic drops
- C. Erythromycin oral suspension
- D. Erythromycin ophthalmic ointment
Correct Answer: D
Rationale: Erythromycin ointment prevents neonatal conjunctivitis per CDC; oral isn't used.
The nurse receives an order to administer an unfamiliar medication and obtains a nurses drug guide published four years earlier. What is the nurses most prudent action?
- A. Find a more recent reference source.
- B. Use the guide if the drug is listed.
- C. Ask another nurse for drug information.
- D. Verify the information in the guide with the pharmacist.
Correct Answer: A
Rationale: The nurse is responsible for all medications administered and must find a recent reference source to ensure the information learned about the medication is correct and current. Using an older drug guide could be dangerous because it would not contain the most up-to-date information. Asking another nurse or the pharmacist does not guarantee accurate information will be obtained and could harm the patient if the information is wrong.
When using a bar-code point-of-care medication system, the nurse would scan which of the following prior to drug administration?(Select one that does not apply.)
- A. Client's hospital chart
- B. Client's identification band
- C. Drug unit dose package
- D. Nurse's identification badge
Correct Answer: A
Rationale: The bar-code point-of-care medication system requires that the client's identification band, the drug unit dose package, and the nurse's identification badge are all scanned prior to drug administration.