Nokea
Which of the following statements is true regarding alcohol septal ablation?
- A. Indicated when dynamic LV outflow gradient is more than 50 mm Hg at rest
- B. Targeted septal thickness less than 16 mm is a contraindication
- C. Usually preferred over surgical myomectomy
- D. Reduces risk of sudden death
Correct Answer: A
Rationale: Alcohol septal ablation is indicated when the dynamic LV outflow gradient is more than 50 mm Hg at rest.
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Hypothalamic nuclei are responsible for:
- A. Control of hunger
- B. Temperature control
- C. Maintaining osmolarity of extracellular fluid
- D. Secretion of thyrotrophin
Correct Answer: A
Rationale: The hypothalamus plays a key role in regulating hunger through various nuclei and hormonal signals.
When explaining dietary guidelines to a client with acute glomerulonephritis (AGN), which instruction should the nurse include in the dietary teaching?
- A. Restrict sodium intake
- B. Encourage high-protein foods.
- C. Increase potassium intake.
- D. Decrease fluid intake.
Correct Answer: A
Rationale: Sodium restriction helps manage fluid retention and hypertension, which are common in AGN.
An adult female with multiple sclerosis (MS) falls while walking to the bathroom. On transfer to the intensive care unit, she is confused and has had projectile vomiting twice. Which intervention should the nurse implement first?
- A. Determine client's last dose of corticosteroids
- B. Determine neurological baseline prior to the fall
- C. Administer a PRN IV antiemetic as prescribed
- D. Complete head to toe neurological assessment.
Correct Answer: D
Rationale: The symptoms suggest increased intracranial pressure or a neurological emergency. A thorough neurological assessment is necessary to identify the cause and guide further interventions.
Usual indications for an exchange transfusion in a child with sickle cell disease include:
- A. Painful vaso-occlusive crisis
- B. Splenic sequestration crisis
- C. Acute chest syndrome
- D. Dactylitis
Correct Answer: C
Rationale: Acute chest syndrome, a severe complication of sickle cell disease, often requires exchange transfusion to reduce the proportion of sickle hemoglobin and improve oxygenation.
Which is the most appropriate nursing action related to the administration of digoxin (Lanoxin) to an infant?
- A. Counting the apical rate for 30 seconds before administering the medication
- B. Withholding a dose if the apical heart rate is less than 100 beats/min
- C. Repeating a dose if the child vomits within 30 minutes of the previous dose
- D. Checking respiratory rate and blood pressure before each dose
Correct Answer: B
Rationale: As a rule, if the pulse rate of an infant is below 100 beats/min, the medication is withheld and the physician is notified.