Which is one of the four defects that make up the tetralogy of Fallot?
a. Left ventricular hypertrophy
b. Displacement of aorta to the left
c. Pulmonary valve dilation
d. Ventricular septal defect
ANS: D
Ventricular septal defect is usually located in the membranous portion of the septum between the right and left ventricles.
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If the sympathetic nervous system were overactive, one result could be:
a. Chronic hypertension b. Chronic hypotension
The respiratory therapist is assessing a mechanically ventilated patient for whom the high pressure alarm is active and the flow-volume loop shows the following:
The action that could alleviate this problem is which of the following? a. Place a bite block into the patient's mouth. b. Perform a recruitment maneuver and in-crease PEEP. c. Administer a fast-acting bronchodilator and suction the ET tube. d. Insert a 14-gauge needle into the second intercostal space, midclavicular line, and right side.
Which congenital defect has four components and is characterized by cyanosis causing appearance of "blue babies"?
a. coarctation of the aorta b. patent ductus arteriosus c. ventricular septal defect d. tetralogy of Fallot
How much is the kVp adjusted with the variable kVp technique chart?
kVp is increased by 2 for every 1 cm increase in thickness kVp is constant as the mAs value is altered kVp is increased by 2 for every 2 cm increase in thickness kVp is increased by 1 for every 1 cm increase in thickness