The spinal cord consists of four regions and ________ pairs of spinal nerves
A) five
B) twelve
C) twenty-five
D) thirty-one
E) The number varies widely among individuals.
D
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What two compartments make up extracellular fluid?
a. Cytoplasm and interstitial b. Interstitial and intramedullar c. Interstitial and intravascular d. Intravascular and cytoplasm
Which of the following statements regarding erection is false?
A) It involves parasympathetic stimulation. B) Vascular channels in the erectile tissue become engorged with blood. C) Dilation of penile arteries occurs. D) It involves nitric oxide production by neurons. E) It is commonly the result of plaque in the blood vessels of the penis.
The papillae located mainly on the tip and sides of the tongue that contain only a few taste buds each are the ________ papillae.
A. papiform B. foliate C. filiform D. vallate E. fungiform
About how many cells constitute the body of an adult?
A. 50 to 100 quadrillion B. 50 to 100 billion C. 50 to 100 million D. 50 to 100 trillion