Urine flow from the renal pelvis to the urinary bladder is produced by
A. ciliary action in the renal pelvis.
B. suction from the urinary bladder.
C. peristalsis of the ureters.
D. hydrostatic pressure from the small intestine.
E. contraction of the detrusor muscle.
C
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The first event in inspiration is
A. lung inflation. B. atmospheric pressure forces air into the respiratory tract. C. the diaphragm moves downward and the external intercostal muscles contract. D. decreased intra-alveolar pressure.
Decompression sickness is a painful condition that results in ________ gas coming out of solution in the bloodstream.
A) oxygen B) hydrogen C) nitrogen D) carbon dioxide E) carbon monoxide
When does hyperpolarization occur?
A) immediately following threshold B) just prior to depolarization C) at the same time as a membrane repolarizes D) immediately following the action potential
During latency stage :