Which division of the nervous system is divided into two opposing systems that control smooth muscles and glands?
a. autonomic
b. somatic
c. afferent
d. central nervous system
e. voluntary nervous system
ANSWER: a
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a. chemical bonds---adipose tissue b. chemical bonds---carbohydrates c. carbon atoms---adipose tissue d. carbon atoms---carbohydrates e. hydrogen bonds---water
Which of the following is useful in the identification of bacteria?
A. Hemolytic, metabolic, and fermentative properties B. Source of the culture specimen C. Growth patterns on selective and differential media D. All of the choices are correct.
He function of the structure labeled 6 in Figure 41-1 is:
T
a. insulation.
b. neurotransmitter release.
c. binding neurotransmitters.
d. conduction of an electrical signal.
e. acting as a ligand-gated channel.
A hospital uses a new cleaner to disinfect surfaces. Within a few years, many patients are developing infections from a bacterium that is resistant to the disinfectant. How does this happen?
What will be an ideal response?