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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After the nurse provides dietary restrictions to the parents of a child with celiac disease, which statement by the parents indicates effective teaching?
- A. “Well follow these instructions until our child’s symptoms disappear.â€
- B. “Our child must maintain these dietary restrictions until adulthood.â€
- C. “Our child must maintain these dietary restrictions lifelong.â€
- D. “We’ll follow these instructions until our child has completely grown and developed.â€
Correct Answer: C
Rationale: Celiac disease requires lifelong adherence to a gluten-free diet to prevent symptoms and complications.
An infant is experiencing dyspnea related to patent ductus arteriosus (PDA). What does the nurse understand regarding why dyspnea occurs?
- A. Blood is circulated through the lungs again, causing pulmonary circulatory congestion.
- B. Blood is shunted past the pulmonary circulation, causing pulmonary hypoxia.
- C. Blood is shunted past cardiac arteries, causing myocardial hypoxia.
- D. Blood is circulated through the ductus from the pulmonary artery to the aorta, bypassing the left side of the heart.
Correct Answer: A
Rationale: When PDA is present, oxygenated blood recycles through the lungs, overburdening the pulmonary circulation.
The jugular venous pressure (JVP) has a predictable relationship with pulmonary artery wedge pressure (PAWP). A JVP of >12 mm Hg predicted PAWP >22 mm Hg by 88% in which of the following trials?
- A. BNP
- B. ESCAPE
- C. EVEREST
- D. EMPA REG
Correct Answer: B
Rationale: The ESCAPE trial studied the effectiveness of therapies in patients with advanced heart failure and showed that elevated JVP was correlated with high pulmonary artery wedge pressures.
What is the most likely congenital heart lesion in a newborn with Trisomy 21?
- A. AVSD
- B. Tetralogy of Fallot
- C. Ventricular septal defect
- D. Pulmonary stenosis
Correct Answer: A
Rationale: Atrioventricular septal defect (AVSD) is highly associated with Trisomy 21 and is the most likely congenital heart lesion in these infants.
A pulmonary embolus occurring while the patient is on the combined oral contraceptive pill:
- A. Is more likely in anti-thrombin III deficiency
- B. Is more likely in protein C deficiency
- C. Is an absolute contraindication to the combined pill
- D. Is an increased risk in smokers
Correct Answer: A
Rationale: Anti-thrombin III deficiency increases the risk of thromboembolic events, including pulmonary embolism, especially in patients on the combined oral contraceptive pill.