Nokea
Typical features of Down's syndrome include:
- A. Brachycephaly
- B. Hypotonia
- C. Male infertility
- D. Increased a-fetoprotein in amniotic fluid
Correct Answer: B
Rationale: Hypotonia is a key feature of Down's syndrome, often leading to delayed development and muscle weakness.
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Increased anion gap is seen in:
- A. Uraemia
- B. Starvation
- C. Renal tubular acidosis
- D. Acetazolamide therapy
Correct Answer: A
Rationale: Uraemia, a condition of high levels of urea in the blood, is associated with an increased anion gap due to the accumulation of acids.
A nurse assesses an older adult client who has multiple chronic diseases. The client’s heart rate is 48 beats/min. Which action should the nurse take first?
- A. Document the finding in the chart.
- B. Initiate external pacing.
- C. Assess the client’s medications.
- D. Administer 1 mg of atropine.
Correct Answer: C
Rationale: A heart rate of 48 beats/min (bradycardia) in an older adult with multiple chronic diseases may be due to medication side effects. Assessing the client’s medications is the first step to determine if any drugs are contributing to the bradycardia.
What are THREE associated echo findings for an infant with wide spaced nipples and a webbed neck?
- A. LV systolic dysfunction
- B. Blunted abdominal aortic Doppler
- C. Bicuspid aortic valve
- D. All of the above
Correct Answer: D
Rationale: These are common echo findings that can be associated with congenital syndromes affecting the heart.
Whirlpool' sign in abdominal ultrasonogram is seen in
- A. Duodenal atresia
- B. Midgut volvulus
- C. Intussusception
- D. Anorectal malformation
Correct Answer: B
Rationale: The 'whirlpool' sign on abdominal ultrasound is characteristic of midgut volvulus, indicating twisting of the intestines around the mesenteric vessels.
The typical radiologic configuration in tetralogy of Fallot as seen in the anteroposterior view consists of all the following EXCEPT
- A. normal heart size
- B. some elevation of the cardiac apex
- C. convexity in the region of the main pulmonary artery
- D. right-sided aortic arch
Correct Answer: A
Rationale: Normal heart size is not typical in tetralogy of Fallot.