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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After admitting a patient to the unit, the nurse is organizing times to administer ordered medications. What important consideration will guide the nurse's timing of each medication?
- A. Comfort
- B. Ethnicity of patient
- C. Gender
- D. Age
Correct Answer: D
Rationale: Age affects metabolism and timing needs (e.g., elderly may need adjusted schedules).
Milk and other foods that alkalinize the urine may:
- A. Result in basic drugs, being, reabsosibet in
- B. Increase the elimination of basic drugs in the urine
- C. Decrease the elimination of acidic drugs
- D. Not alter drug elimination due to the minimal change in urine pH
Correct Answer: C
Rationale: Alkalinizing urine increases ionization of acidic drugs, reducing their reabsorption and thus decreasing elimination.
Felicity has been prescribed colestipol to treat her hyperlipidemia. Unlike other anti-lipidemics, this drug:
- A. Blocks synthesis of cholesterol in the liver
- B. Exchanges chloride ions for negatively charged acids in the bowel
- C. Increases HDL levels the most among the classes
- D. Blocks the lipoprotein lipase pathway
Correct Answer: B
Rationale: Colestipol, a bile acid resin, binds bile acids in the bowel.
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.
Traditional Chinese medicine utilizes yin (cooling) versus yang (warming) in assessing and treating disease. Menopause is considered a time of imbalance, therefore the Chinese herbalist would prescribe:
- A. Herbs which are yang in nature
- B. Herbs that are yin in nature
- C. Ginger
- D. Golden seal
Correct Answer: B
Rationale: Menopause is a yin-deficient state (hot flashes), so yin (cooling) herbs are prescribed.