Nokea
The following drugs reduce mortality in congestive cardiac failure EXCEPT:
- A. Captopril
- B. Carvedilol
- C. Digoxin
- D. Enalapril
Correct Answer: C
Rationale: Digoxin improves symptoms but does not reduce mortality in heart failure.
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A nursing student is preparing to administer a prescribed drug to a patient. The student reviews information about the drug and its actions. Which of the following would be the best choice for obtaining this information?
- A. Nursing instructor
- B. Nurse assigned to the patient
- C. Clinical drug reference
- D. Prescribing health care provider
Correct Answer: C
Rationale: Although the nursing student can ask the nursing instructor, the nurse assigned to the patient, and the prescribing health care provider for information about the drug, the best choices for drug information would include an appropriate drug reference and the clinical pharmacist.
Which example best demonstrates safe drug administration by the nurse?
- A. Administering an oral medication with the patient sitting upright
- B. Asking children to say their name before administering the medication
- C. Leaving the medications on the bedside stand after verifying patient identification
- D. Returning the unused portion of a medication to a stock supply bottle
Correct Answer: A
Rationale: Sitting the patient upright for oral medications is safe medication practice. Children should never be asked their names as a means of positive identification. Remaining with a patient until the drug is swallowed is safe practice. Returning an unused portion of medication to the stock supply bottle is not safe medication practice.
Anti-inflammatory action of glucocorticoids is determined by:
- A. Inhibition of phospholipase A2
- B. Activation of phospholipase A2
- C. Inhibition of cyclooxygenase type-1
- D. Inhibition of cyclooxygenase type-2
Correct Answer: A
Rationale: Glucocorticoids inhibit phospholipase A2, reducing the production of inflammatory mediators like prostaglandins.
A patient is ordered to receive a subcutaneous injection of heparin twice a day. When administering this drug to the patient, which of the following would be most important for the nurse to do to minimize tissue damage?
- A. Insert the needle at the appropriate angle.
- B. Select the needle length based on the patient's weight.
- C. Ensure that there is no hair on the injection site.
- D. Rotate the injection site regularly.
Correct Answer: D
Rationale: The nurse should rotate the injection sites to minimize the damage caused to the tissue. Inserting the needle at the proper angle and selecting the needle length based on the patient's weight will not significantly help in minimizing tissue damage if the same site is repeatedly injected. It is not necessary to avoid injection sites that have hair as long as the drug is administered in the upper arms, the upper abdomen, and the upper back.
A nurse in a provider's office is monitoring serum electrolytes for four older adult clients who take digoxin. Which of the following electrolyte values increases a client's risk for Digoxin toxicity?
- A. Calcium 9.2 mg/dL
- B. Calcium 10.3 mg/dL
- C. Potassium 3.4 mEq/L
- D. Potassium 4.8 mEq/
Correct Answer: C
Rationale: Hypokalemia (3.4 mEq/L, C) increases digoxin toxicity risk by enhancing its effects.