Innervation of a single target by both branches of the ANS
a. is called dual innervation
b. occurs only for a small number of organs
c. occurs only for sweat gland
d. both (a) and (b)
e. both (a) and (c)
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Question 2) Glucose and amino acids are transferred by means of:
a. osmosis
b. primary active transport
c. secondary active transport
d. simple diffusion
e. facilitated diffusion
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Question 3) The overall functioning of the ANS contributes to
a. conservation of energy resources when stress levels are low.
b. mobilization of energy reserves when stress levels are high.
c. suppression of non-vital activities when stress levels are high.
d. homeostasis.
e. all these answers.
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Question 4) The renal threshold is the
a. maximum amount of a particular substance that can be excreted in the urine per unit of time.
b. maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time.
c. plasma concentration of a particular substance at which its Tm is reached and the substance first appears in the urine.
d. maximum amount of waste products that can be concentrated in the urine per unit of time.
e. maximum amount of water that can be osmotically absorbed across the tubules per unit of time.
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Question 5) The autonomic nervous system is
a. part of the somatic nervous system.
b. considered to be the involuntary branch of the efferent division of the peripheral nervous system.
c. part of the central nervous system.
d. two of these answers.
e. all of these answers.
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Question 6) Tm is the maximum
a. rate of glomerular filtration.
b. rate a substance can be reabsorbed because of saturation of the carrier molecule.
c. rate of urine excretion.
d. rate a substance can be cleared from the blood.
e. percentage of renal blood flow that can be converted to filtrate.
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Question 7) Compare and contrast the senses of taste and olfaction.
What will be an ideal response?
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Question 8) Tubular maximum (Tmax)
a. is the maximum amount of a substance that the tubular cells can actively transport within a given time period.
b. is the maximum rate at which a substance is filtered at the glomerulus.
c. occurs when the membrane carrier becomes saturated.
d. both (a) and (c) above.
e. both (b) and (c) above.
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Question 9) Describe the conduction of sound energy and its subsequent transduction into neural stimuli.
What will be an ideal response?
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Question 10) The proximal tubule
a. reabsorbs about 65 of the filtered water.
b. is the site of action for vasopressin
c. is the location where glucose is secreted
d. lies between the loop of Henle and the collecting ducts
e. none of these answers.
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