Nokea
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.
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The nurse is obtaining a client's fingerstick glucose level. After gently milking the client's finger, the nurse observes that the distal tip of the finger appears reddened and engorged. What action should the nurse take?
- A. Collect the blood sample
- B. Assess radial pulse volume
- C. Apply pressure to the site
- D. Select another finger
Correct Answer: A
Rationale: The reddened and engorged appearance is due to increased blood flow, and the sample can still be collected.
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.
Regarding fluid and electrolyte homeostasis in a child:
- A. Normal maintenance requirement in a child weighing 20 kg is 1.5 litre/day
- B. A fluid deficit of 50ml/kg produces a body weight loss of 10%
- C. Hypotension is a useful sign ,which indicates moderate dehydration
- D. Normal maintenance needs of sodium are 5-6mmol/kg/day
Correct Answer: B
Rationale: A fluid deficit of 50ml/kg producing a 10% body weight loss is a well-established clinical guideline for assessing dehydration in children. Hypotension is a late sign of severe dehydration, not moderate dehydration.
Isovolumic contraction phase of ventricular systole occurs during which of the following phases of central venous pressure, approximately
- A. From nadir of y descent to peak of a wave
- B. From peak of a wave to trough of x wave
- C. From trough of x wave to peak of c wave
- D. From peak of c wave to trough of x' descent
Correct Answer: C
Rationale: Isovolumic contraction occurs from the trough of the x wave to the peak of the c wave.
What are THREE classes of medication used to treat giant coronary artery aneurysms in Kawasaki Disease?
- A. ACE inhibitor
- B. Beta blocker
- C. Statin
- D. All of the above
Correct Answer: D
Rationale: These medications are typically used in the management of giant coronary artery aneurysms to manage cardiovascular risks.