Regarding cystic fibrosis:
- A. It is inherited as autosomal recessive
- B. There is increased risk of bronchial carcinoma in late adulthood
- C. Biliary cirrhosis is a recognised feature
- D. In neonates, intestinal obstruction may be the first presentation
Correct Answer: A
Rationale: Cystic fibrosis is an autosomal recessive disorder caused by mutations in the CFTR gene.
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The patient experiences a headache and is unable to move the left side of his body. The most likely cause is
- A. embolic stroke
- B. cerebral thrombosis
- C. cerebral abscess
- D. moyamoya disease
Correct Answer: A
Rationale: Embolic stroke is a common complication of cyanotic congenital heart disease.
Triggers of the alternate pathway of complement are:
- A. Bacterial lipopolysaccharide
- B. Interleukin 2
- C. Macrophages
- D. Properdin
Correct Answer: A
Rationale: The correct answer is A because bacterial lipopolysaccharide is a known trigger of the alternate complement pathway. The other options (b-e) are not primary triggers.
Correct statement regarding congenital rubella syndrome (CRS) is
- A. CRS with vaccine-strain of virus has not been reported
- B. Re-infections during pregnancy do not result in CRS
- C. Administration of immune globulin immediately after exposure to a case during pregnancy is effective in preventing CRS
- D. Patent ductus arteriosus is the commonest manifestation of CRS
Correct Answer: A
Rationale: CRS with the vaccine-strain of the virus has not been reported, as the vaccine strain is attenuated and does not cause congenital infection.
While assessing a newborn with respiratory distress, the nurse auscultates a machine-like heart murmur. Other findings are a wide pulse pressure, periods of apnea, increased PaCO2, and decreased PO2. The nurse suspects that the newborn has:
- A. Pulmonary hypertension
- B. Patent ductus arteriosus (PDA)
- C. Ventricular septal defect (VSD)
- D. Bronchopulmonary dysplasia
Correct Answer: B
Rationale: A machine-like murmur is the hallmark of a PDA.
A client with a productive cough has obtained a sputum specimen for culture as instructed. What is the best initial nursing action?
- A. Administer the first dose of antibiotic therapy
- B. Observe the color, consistency, and amount of sputum
- C. Encourage the client to consume plenty of warm liquids
- D. Send the specimen to the lab for analysis
Correct Answer: B
Rationale: Observing the color, consistency, and amount of sputum helps in assessing the nature of the infection and guides further treatment. Sending the specimen to the lab is important but not the first action.