Urine is prevented from flowing back into the ureters from the bladder by ________________
A. compression of the ureteral openings
B. the external urethral sphincter
C. the internal urethral sphincter
D. the ureteral sphincters
E. ureteral valves
A
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Another name for the skin is the _________ membrane
A. serous B. parietal C. mucous D. cutaneous E. visceral
Infancy:
a. begins at birth b. ends at about 18 months c. includes the neonatal period d. all of the above
Atrial systole lasts throughout ventricular systole
Indicate whether the statement is true or false
Common pulmonary function abnormalities in individuals with moderate restrictive lung disease include:
A. normal FEV1, normal expiratory flow rates, normal RV/TLC ratio B. increased FEV1, increased expiratory flow rates, increased RV/TLC ratio C. decreased FEV1, decreased expiratory flow rates, increased RV/TLC ratio D. decreased FEV1, decreased expiratory flow rates, decreased RV/TLC ratio E. decreased FEV1, normal expiratory flow rates, increased RV/TLC ratio