Reflexes are described as
A. slow and spontaneous.
B. spontaneous and self-initiating.
C. pre-programmed and voluntary.
D. rapid and involuntary.
D
You might also like to view...
Shafts of hair are composed of
A. dead dermal cells. B. dead epidermal cells. C. living epidermal cells. D. living dermal cells.
Varicosities
a. are bulges at the end of certain types of nerve terminal branches b. can be found on the postganglionic autonomic fibers associated with certain smooth muscle cells c. contain neurotransmitter d. all of these e. none of these.
In hydrolysis reactions, compounds react with
A) hydrogen, causing decomposition. B) glucose, causing decomposition. C) water, causing decomposition. D) carbon, causing decomposition. E) water, causing synthesis.
Which one of the following blood vessels carries oxygenated blood?
A) superior vena cava B) inferior vena cava C) coronary sinus D) pulmonary artery E) pulmonary vein