The falling phase of the action potential is due to
a. calcium influx
b. potassium efflux
c. chloride influx
d. sodium efflux
e. the action of Na+-K+ pumps
B
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During heart transplants, the _____ nerves are severed resulting in a faster resting heart rate (approximately 100 beats per minute) after the transplant
a) glossopharyngeal b) cardiac accelerator c) vagus d) phrenic e) cervical spinal
Information about pain and temperature is conveyed to the brain by way of the
A. posterior funiculus-medial lemniscal pathway. B. spinocerebellar pathway. C. anterolateral pathway. D. fasciculus gracilis. E. tectospinal tract.
______ is accumulation of tissue fluid in the interstitial spaces
Fill in the blank(s) with correct word
If the sinoatrial (SA) node is damaged, the heart will likely beat at ________ bpm
A) 0 to 10 B) 10 to 20 C) 20 to 40 D) 40 to 50 E) 70 to 80