Which of the following abnormalities should the practitioner be on the lookout for during inspec-tion of the extremities? 1. Digital clubbing 2. Peripheral cyanosis 3. Ascites 4. Impaired capillary refill
a. 1 and 2 only
b. 1, 2, and 4 only
c. 3 and 4 only
d. 2 only
ANS: B
Respiratory disease may cause several abnormalities of the extremities, including digital clubbing, cyanosis, and pedal edema.
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