Nokea
The following are strongly associated with Kawasaki disease EXCEPT
- A. duration of fever of >16 days
- B. first-degree heart block
- C. male gender
- D. age of <1 year
Correct Answer: B
Rationale: First-degree heart block is less commonly associated with Kawasaki disease compared to other factors.
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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.
The following are recognised features of achondroplasia:
- A. Shortened spine
- B. Increased liability to pathological fractures
- C. Can be diagnosed radiologically at birth
- D. Infertility
Correct Answer: C
Rationale: Achondroplasia can be diagnosed radiologically at birth. The spine is not shortened, fractures are not increased, and infertility is not a feature.
Which of the following has the highest proportion of etiology of congenital malformations?
- A. Maternal infections
- B. Maternal illness
- C. Environmental agents
- D. Monogenic inheritance
Correct Answer: D
Rationale: Monogenic inheritance accounts for the highest proportion of congenital malformations.
What is cardiac power output (CPO) in a patient with acute anterior wall ST-elevation myocardial infarction and left ventricular failure? His mean arterial pressure was 60 mm Hg and cardiac output calculated on echo was 2.91l min−1.
- A. 0.48
- B. 0.38
- C. 0.58
- D. 0.68
Correct Answer: C
Rationale: Cardiac power output is calculated as (MAP × cardiac output) / 451. For the given values, the correct calculation gives a value of 0.58.
The clinic nurse reviews the record of a child just seen by the health care provider and diagnosed with suspected aortic stenosis. The nurse expects to note documentation of which clinical manifestation specifically found in this disorder?
- A. Pallor
- B. Hyperactivity
- C. Exercise intolerance
- D. Gastrointestinal disturbances
Correct Answer: C
Rationale: Exercise intolerance is a common clinical manifestation of aortic stenosis due to the heart's inability to pump sufficient blood during increased physical activity.