The ____ nerves to the heart alter cardiac output by decreasing heart rate
a. motor.
b. sensory.
c. sympathetic.
d. vagus
e. none of these answers.
D
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Loss of voluntary movement is called ________________________________________
Fill in the blank(s) with correct word
Exocrine glands differ from endocrine glands in that exocrine glands
A) secrete only into the bloodstream. B) secrete only local hormones. C) only secrete salts. D) secrete through ducts or tubes to the body's exterior.
What variables would you need to calculate the cross-sectional area of a blood vessel?
A) Field diameter B) Total magnification C) Both field diameter and total magnification D) Neither field diameter nor total magnification
Which type of muscle tissue is autorhythmic?
A. skeletal muscle B. smooth muscle C. cardiac muscle D. both skeletal and cardiac muscle E. both cardiac and smooth muscle