Nokea
The American Dietetic Association recommends pregnant women take a supplement including:
- A. 1,000 IU daily of vitamin D
- B. 2.4 mcg/day of vitamin B12
- C. 600 mcg/day of folic acid
- D. 8 mg/day of iron
Correct Answer: C
Rationale: 600 mcg/day of folic acid is recommended during pregnancy to prevent neural tube defects.
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Beta 2 adrenergic receptor agonists:
- A. Relieve bronchospasms
- B. Potentiates hypertensive
- C. Catecholamine inhibits the reception
- D. Have porasympathominetic action on bronchi
Correct Answer: A
Rationale: Beta-2 adrenergic agonists, like salbutamol, relieve bronchospasms by relaxing bronchial smooth muscle, making them key in asthma and COPD management.
The nurse is checking the medical record of an assigned patient for medication orders. The nurse is unable to read the primary health care provider's handwriting. Which action would be most appropriate?
- A. The nurse should question the order with the primary health care provider.
- B. The nurse should try to interpret the handwriting.
- C. The nurse should confirm the order with a nearby health care provider.
- D. The nurse should obtain a verbal order.
Correct Answer: A
Rationale: Any order that is unclear, particularly due to illegible handwriting, should be questioned. The nurse should not try to interpret the handwriting as it may lead to a misinterpretation. The nurse should also not confirm the order with any other physician who is nearby. Administering drugs based on verbal orders is permissible only during emergencies.
Which of the following statements about NSAIDs is true?
- A. Most NSAIDs are weak acids
- B. Most NSAIDs are metabolised by the liver into inactive metabolites
- C. Oxicams tend to have the longest half-lives of all NSAIDs
- D. All of the above
Correct Answer: D
Rationale: All are true: NSAIDs are weak acids, metabolized by the liver, and oxicams (e.g., piroxicam) have long half-lives.
Which of the following drugs is CORRECTLY paired with its ECG effects?
- A. Lidocaine; decreased QRS and PR intervals
- B. Metoprolol: increased QRS duration
- C. Flecainide: increased PR, QRS, and QT intervals
- D. Verapamil: increased PR interval
Correct Answer: D
Rationale: Verapamil slows AV conduction, increasing PR interval.
Hannah will be traveling to Mexico with her church group over spring break to build houses. She is concerned she may develop traveler's diarrhea. Advice includes following normal food and water precautions as well as taking:
- A. Loperamide four times a day throughout the trip
- B. Bismuth subsalicylate with each meal and at bedtime
- C. A prescription for diphenoxylate with atropine to use if she gets diarrhea
- D. None of the above
Correct Answer: B
Rationale: Bismuth subsalicylate prevents traveler's diarrhea when taken prophylactically; loperamide or diphenoxylate are for treatment, not prevention.