Nokea
Causes of a dilated renal pelvis in a foetal scan include:
- A. Normal variant
- B. Vesico-ureteric reflux
- C. Pelvi-ureteric junction obstruction
- D. Multicystic kidney
Correct Answer: A
Rationale: A dilated renal pelvis can be a normal variant in a foetal scan, often resolving spontaneously without intervention.
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Which among the following is not a feature of low flow - low gradient severe aortic stenosis with preserved left ventricular function?
- A. Mean trans aortic pressure gradient < 40 mm Hg
- B. Aortic valve area < 1 cm²
- C. Stroke volume > 35 ml/m²
- D. Left ventricular ejection fraction > 50%
Correct Answer: C
Rationale: Stroke volume is typically reduced, not increased, in low flow - low gradient severe aortic stenosis.
The severity of symptoms of Ebstein anomaly and the degree of cyanosis are high and depend on the extent of
- A. displacement of the tricuspid valve
- B. cardiac dysrhythmias
- C. atrial right-to-left shunt
- D. pulmonary vascular resistance
Correct Answer: A
Rationale: Displacement of the tricuspid valve is a key determinant of symptom severity in Ebstein anomaly.
Causes of uveitis include:
- A. Diabetes
- B. Behçet's disease
- C. Ankylosing spondylitis
- D. Rheumatic fever
Correct Answer: B
Rationale: Behçet's disease, a systemic vasculitis, is a known cause of uveitis, an inflammation of the uvea in the eye.
Which is an important nursing consideration when suctioning a young child who has had heart surgery?
- A. Perform suctioning at least every hour.
- B. Suction for no longer than 30 seconds at a time.
- C. Administer supplemental oxygen before and after suctioning.
- D. Expect symptoms of respiratory distress when suctioning.
Correct Answer: C
Rationale: If suctioning is indicated, supplemental oxygen is administered with a manual resuscitation bag before and after the procedure to prevent hypoxia. Suctioning should be done only as indicated, not on a routine basis. The child should be suctioned for no more than 5 seconds at one time. Symptoms of respiratory distress are avoided by using appropriate technique.
Fluids are restricted to 1,500 ml daily for a male client with acute kidney injury (AKI). He is frustrated and complaining of constant thirst, and the nurse discovers that the family is providing the client with additional fluids. Which intervention should the nurse implement?
- A. Remove all sources of liquids from the client's room
- B. Allow family to give client a measured amount of ice chips
- C. Restrict family visiting until the client's condition is stable
- D. Provide the client with oral swabs to moisten his mouth
Correct Answer: D
Rationale: Oral swabs can help alleviate thirst without increasing fluid intake, which is restricted in AKI.