Nokea
Which of the following inhibit production of triiodethyronine (T4) from tetraiodethyronine (T3)?
- A. Iodides
- B. Thiocyanate
- C. Perchlorate
- D. Amiodarone
Correct Answer: D
Rationale: Amiodarone inhibits the peripheral conversion of T4 to T3, reducing active thyroid hormone levels.
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Pharmacoeconomics is:
- A. The study of the part of the U.S. economy
- B. The study of the impact of prescription drug costs on the overall economy
- C. The analysis of the costs and consequences of any health-care-related treatment or service
- D. The analysis of the clinical efficacy of the drug
Correct Answer: C
Rationale: Pharmacoeconomics evaluates costs and outcomes of health-care interventions.
A nurse is teaching a client who has a new prescription for Brimonidine ophthalmic drops and wears soft contact lenses. Which of the following instructions should the nurse include in the teaching?
- A. This medication can stain your contacts.
- B. This medication can cause your pupils to constrict.
- C. This medication can absorb into your contacts.
- D. This medication can slow your heart rate.
Correct Answer: C
Rationale: Brimonidine can absorb into contacts , requiring removal before use to avoid irritation.
Which of the following produced by the pancreatic alfa cells:
- A. Insulin
- B. Glucagon
- C. C-peptide
- D. Somatostatin
Correct Answer: B
Rationale: Glucagon is produced by pancreatic alpha cells to raise blood glucose.
The nurse is applying the Centers for Disease Control and Prevention (CDC) recommendations for the possibility of bioterrorism. What action should the nurse perform?
- A. Post updated information on signs and symptoms of infections caused by biological agents
- B. Provide guidelines for treating clients exposed to, or potentially exposed to, biological agents
- C. Remain current on recognition and treatment of infections caused by biological weapons
- D. Advocate for increased funding for research involving bioterrorism and client treatment
Correct Answer: C
Rationale: Staying current on recognition and treatment aligns with CDC recommendations for nurse preparedness in bioterrorism scenarios.
A primary health care provider instructs a nurse to administer a medication to a patient STAT. Which action by the nurse would be most appropriate?
- A. Insist on obtaining a written report before administering any drug.
- B. Administer the drug as ordered by the physician.
- C. Forgo obtaining the physician's order after the drug has been administered.
- D. Document the administration of the drug only after receiving the physician's order.
Correct Answer: B
Rationale: The nurse should administer the drug as instructed without a written order as it is an emergency. The nurse should, however, ensure that the physician's order is obtained after the drug has been administered. Waiting for a written order during an emergency may exacerbate the patient's condition. The nurse should complete the documentation immediately after the administration of the drug and not wait until the physician's order is received.