A child diagnosed with a heart murmur is scheduled for an echocardiogram. Which information about this diagnostic test does the nurse provide to the family?
A.
Allows visualization of the heart's electrical activity
B.
Gives direct pressure measurements across valves
C.
Provides more specific information than other tests
D.
Shows the location and size of a heart defect
Question 2
A nurse notes that a child has clubbed fingernails. Which laboratory finding would the nurse correlate with this assessment?
A.
Hemoglobin: 16 g/dL
B.
PaCO2: 43 mm Hg
C.
PaO2: 72 mm Hg
D.
White blood count: 8,500 mm3