An AP chest projection obtained with the central ray angled too caudally demonstrates:
a. less than 1 inch (2.5 cm) of the apices above the clavicles and horizontally shaped posterior ribs.
b. less than 1 inch (2.5 cm) of the apices above the clavicles and vertically shaped posterior ribs.
c. more than 1 inch (2.5 cm) of the apices above the clavicles and vertically shaped posterior ribs.
d. more than 1 inch (2.5 cm) of the apices above the clavicles and horizontally shaped posterior ribs.
C
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Bones that are thin and broad, such as the scapula.
A. irregular bones B. flat bones C. long bones D. short bones
Proper use of a dry powder inhaler (DPI) requires that the patient be able to do which of the fol-lowing?
a. Generate inspiratory flows of 60 L/min or higher. b. Exhale forcibly through the device before drug delivery. c. Inhale slowly (<0.5 L/sec) and perform a breath-hold. d. Coordinate firing of the DPI with inspira-tion.