Nokea
Which of the following allergies might be a contraindication for a client to receive contrast enhancement for intracranial computed tomography?
- A. Penicillin
- B. Iodine
- C. Erythromycin
- D. Aspirin
Correct Answer: B
Rationale: Iodine allergy is a contraindication for contrast media, as it can cause severe allergic reactions, unlike the other allergies listed.
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The vast majority of deaths resulting from unintentional poisoning occur in:
- A. infants.
- B. toddlers.
- C. teens.
- D. adults.
Correct Answer: B
Rationale: The vast majority of deaths resulting from unintentional poisoning occur in toddlers.
Which of the following is not a function of parathyroid hormone?
- A. moving calcium from bones to the bloodstream
- B. promoting renal tubular reabsorption of phosphorus
- C. promoting renal tubular reabsorption of calcium
- D. enhancing renal production of vitamin D metabolites
Correct Answer: B
Rationale: Parathyroid hormone depresses renal tubular reabsorption of phosphorus. All of the other choices are functions of parathyroid hormone.
Which cultural group has the highest incidence of inflammatory bowel disease (IBD)?
- A. Asians
- B. Caucasians
- C. Hispanics
- D. African Americans
Correct Answer: B
Rationale: Caucasians have the highest incidence of inflammatory bowel disease (IBD).
Which of the following lab values is associated with a decreased risk of cardiovascular disease?
- A. high HDL cholesterol
- B. low HDL cholesterol
- C. low total cholesterol
- D. low triglycerides
Correct Answer: A
Rationale: High HDL cholesterol and low LDL cholesterol are associated with a decreased risk of cardiovascular disease.
Which of the following instructions should the nurse give a client who will be undergoing mammography?
- A. Be sure to use underarm deodorant.
- B. Do not use underarm deodorant.
- C. Do not eat or drink after midnight.
- D. Have a friend drive you home.
Correct Answer: B
Rationale: Underarm deodorant should not be used because it might cause confusing shadows on the X-ray film. There are no restrictions on food or fluid intake. No sedation is used, so the client can drive herself home.