In emphysema,
A) tar from cigarettes blackens alveoli.
B) cells in the bronchial lining divide too fast.
C) membranes form within alveoli, increasing surface area.
D) pressure in alveoli increases and their walls burst, coalescing them and decreasing
the surface area for gas exchange.
D
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The spleen is a lymph organ that filters blood and also acts as a reservoir for ________
A) Blood B) Fat C) Water D) Interstitial fluid
Which of the following protects the lungs from overinflation?
A. Pulmonary compliance B. The stretch receptors in the lungs C. The baroreflex D. Airway resistance E. The dorsal respiratory group
The AV valve that is located on the same side of the heart as the origin of the aorta is the
A. pulmonary semilunar valve. B. bicuspid or mitral valve. C. aortic semilunar valve. D. coronary sinus valve. E. tricuspid valve.
Which of the following is incorrect pertaining to the bladder?
A) A cystocele may result from injuries associated with parturition. B) Withdrawal of urine from the bladder requires the needle to enter the peritoneal cavity. C) Rupture of the superior part of the bladder is usually associated with extravasation (passage) of urine into the peritoneal cavity. D) The interior of the bladder may be viewed with a cystoscope. E) A complete spinal cord transaction superior to the second sacral segment would eliminate voluntary control of micturition.