Nokea
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.
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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 client with unstable asthma had an emergent cardiac catheterization. Which complication should the nurse monitor for in the initial 24 hours after the procedure?
- A. Thrombus formation
- B. Infection
- C. Bronchospasm
- D. Heart failure
Correct Answer: A
Rationale: After a cardiac catheterization, the nurse must monitor for thrombus formation as it is a common complication in the first 24 hours.
An emergency department nurse triages clients who present with chest discomfort. Which client should the nurse plan to assess first?
- A. A 42-year-old female who describes her pain as a dull ache with numbness in her fingers
- B. A 49-year-old male reports moderate pain that is worse on inspiration
- C. A 53-year-old female reports substernal pain that radiates to her abdomen
- D. A 58-year-old male describes his pain as an intense stabbing that spreads across his chest
Correct Answer: D
Rationale: Intense stabbing chest pain that spreads across the chest is highly suggestive of an acute cardiac event, such as a myocardial infarction, and requires immediate assessment.
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.
The enzyme producing carbon monoxide within the human body is
- A. Aminolevulinic acid synthase
- B. Heme oxygenase
- C. Cyclo-oxygense
- D. Nitric oxide synthase
Correct Answer: B
Rationale: Heme oxygenase is responsible for the production of carbon monoxide during the breakdown of heme.