A-delta fibers mediate slow, difficult to localize pain

In what area of the lungs does respiration occur?

a. Bronchi b. Alveoli c. Capillaries d. Trachea

The a wave on an arterial pressure tracing is a result of which of the following during a cardiac cycle?

a. Atrial systole c. Ventricular systole b. Atrial diastole d. Ventricular diastole