In capillary exchange, which of the following statements is true?
A. Most fluid that leaves the arterial end of a capillary reenters the venous end of a capillary.
B. Constriction of the precapillary sphincter will increase blood pressure in the capillary.
C. Most fluid that leaves the arterial end of a capillary enters the lymphatic system.
D. Interstitial protein concentration is normally higher than plasma protein concentration.
E. Interstitial fluid normally has a higher osmotic pressure than plasma.
Answer: A
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Choose all of the items that are incorrectly matched.
A) inactivation gate — closed during repolarization B) activation gate — open at rest C) inactivation gate — closed at rest D) activation gate — opens during depolarization E) All of the answers are incorrectly matched.
Spinal reflexes
A) are monosynaptic and involve only one segment of the cord. B) involve only a single segment of the spinal cord. C) always transmit information to the brain for processing. D) include both monosynaptic and polysynaptic reflexes. E) include monosynaptic reflexes only.
During forceful expiration,
a. accessory expiratory muscles contract b. internal intercostals contract c. abdominal muscles contract d. ribs are brought closer together e. all of the above occur
The parasympathetic division of the ANS is also called the _________ division
Fill in the blank(s) with the appropriate word(s).