Nokea
Which among the following is a systolic event?
- A. E wave
- B. L wave
- C. A wave
- D. S' wave
Correct Answer: D
Rationale: S' wave is a systolic event observed in echocardiography.
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A client who weighs 175 pounds is receiving IV bolus dose of heparin 80 units/kg. The heparin is available in a 2 ml vial, labeled 10,000 units/ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
- A. 0.6
- C. 6
- D. 1
Correct Answer: A
Rationale: The calculation is based on the client's weight and the prescribed dosage of heparin.
A nurse assesses a client who had a myocardial infarction and is hypotensive. Which additional assessment finding should the nurse expect?
- A. Heart rate of 120 beats/min
- B. Cool, clammy skin
- C. Oxygen saturation of 90%
- D. Respiratory rate of 8 breaths/min
Correct Answer: A
Rationale: A heart rate of 120 beats/min (tachycardia) is a common compensatory response to hypotension following a myocardial infarction, as the body attempts to maintain cardiac output.
On examination, a nurse hears a murmur at the left sternal border (LSB) in a child with diarrhea and fever. The parent asks why the pediatrician never mentioned the murmur. The nurse explains:
- A. The pediatrician is not a cardiologist.
- B. Murmurs are difficult to detect, especially in children.
- C. The fever increased the intensity of the murmur.
- D. We need to refer the child to an interventional cardiologist.
Correct Answer: C
Rationale: The increased cardiac output associated with fever can accentuate a heart murmur, making it more noticeable.
What are FIVE non-cardiac clinical features of Marfan’s syndrome?
- A. Ectopia Lentis
- B. Pectus Excavatum or carinatum of moderate severity
- C. Pes Planus
- D. Scoliosis (>20 degrees)
Correct Answer: A
Rationale: These features are typical signs of Marfan’s syndrome and contribute to the diagnosis alongside cardiac findings.
In febrile convulsions:
- A. Familial predisposition is the same as in idiopathic epilepsy
- B. Carbamazepine achieves good seizure control
- C. Shigella dysentery may be a cause
- D. Deafness can occur if seizure is prolonged
Correct Answer: C
Rationale: Shigella dysentery, a bacterial infection, can cause febrile convulsions in children due to the high fever associated with the infection.