Nokea
Acetazolamide:
- A. Is used in the management of renal tubular acidosis
- B. Causes hypokalaemia
- C. Is usually given intravenously
- D. Inhibits the action of carbonic anhydrase
Correct Answer: D
Rationale: Inhibits the action of carbonic anhydrase: Acetazolamide works by inhibiting carbonic anhydrase, reducing the reabsorption of bicarbonate in the kidneys and helping with conditions like glaucoma, metabolic alkalosis, and altitude sickness.
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A nurse assesses clients on a medical-surgical unit. Which client should the nurse identify as having the greatest risk for cardiovascular disease?
- A. An 86-year-old man with a history of asthma
- B. A 32-year-old Asian-American man with colorectal cancer
- C. A 45-year-old American Indian woman with diabetes mellitus
- D. A 53-year-old postmenopausal woman who is on hormone therapy
Correct Answer: C
Rationale: Diabetes mellitus is a significant risk factor for cardiovascular disease, and the 45-year-old American Indian woman with diabetes mellitus has the highest risk among the options provided.
A nurse assists a male client with Parkinson's disease (PD) to ambulate in the hallway. The client appears to 'freeze' and then carefully lifts one leg and steps forward. He tells the nurse that he is pretending to step over a crack on the floor. How should the nurse respond?
- A. Re-orient the client to his present location and circumstances
- B. Confirm that this is an effective technique to help with ambulation
- C. Assist the client to a carpeted area where he can walk more easily
- D. Plan to assess the client's cognition after returning to his room
Correct Answer: B
Rationale: Pretending to step over a crack is a known technique that can help clients with PD overcome freezing episodes.
In the most common type of CAR:
- A. There is deficient 11-hydroxylase
- B. Hypertension is a feature
- C. There is an associated gene defect
- D. Transmission is autosomal dominant
Correct Answer: B
Rationale: Hypertension is a feature of congenital adrenal hyperplasia (CAH) caused by deficiencies in enzymes involved in steroidogenesis, including 11-hydroxylase.
A child with rheumatic fever begins involuntary, purposeless movements of her limbs. What does the nurse recognize that this indicates?
- A. Seizure activity
- B. Hypoxia
- C. Sydenham’s chorea
- D. Decreasing level of consciousness
Correct Answer: C
Rationale: As the effects of rheumatic fever affect the central nervous system, the child may develop Sydenham’s chorea, manifested by involuntary, purposeless movements of the limbs.
Nurse Mariane is caring for an infant with spina bifida. Which technique is most important in recognizing possible hydrocephalus?
- A. Measuring head circumference
- B. Obtaining skull X-ray
- C. Performing a lumbar puncture
- D. Magnetic resonance imaging (MRI)
Correct Answer: A
Rationale: Measuring head circumference is a non-invasive way to monitor for hydrocephalus, a common complication of spina bifida.