The thoracic duct originates from an expanded chamber called the
A) thoracic sinus.
B) cisterna chyli.
C) thoracic trunk.
D) hilum.
E) thoracic ventricle.
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Question 2) All of the following can contribute to receptor specificity except
A) the structure of the receptor cell.
B) characteristics of the receptor cell membrane.
C) accessory cells that function with the receptor.
D) accessory structures and tissues that shield the receptors from other stimuli.
E) the metabolism of the receptor cell.
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Question 3) The cell that dominates the deep cortical region of a lymph node is the ________ cell.
A) B
B) T
C) plasma
D) nodule
E) NK
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Question 4) In order for a sensation to become a perception,
A) it must be received by the somatosensory cortex.
B) the individual must vocalize about it.
C) it must arrive over fast-conducting nerve fibers.
D) the other senses must be silent.
E) it must be received by the pulvinar nucleus of the thalamus.
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Question 5) If the thymus shrank and stopped making thymosins, we would expect to see an immediate decrease in the number of
A) B lymphocytes.
B) NK cells.
C) T cells.
D) neutrophils.
E) red blood cells.
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Question 6) Which is an example of a slow-adapting receptor?
A) phasic
B) touch
C) smell
D) temperature
E) pain
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Question 7) Lymphatic tissue is found in the greatest quantity in
A) the adult spleen.
B) the adult thymus.
C) bone marrow.
D) the tonsils.
E) Peyer's patches.
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Question 8) Your brain is not constantly bombarded with signals telling it that you are wearing socks. This is because the touch receptors around your ankle are
A) tonic receptors.
B) tonic receptors and slow-adapting.
C) phasic receptors and slow-adapting.
D) phasic receptors and fast-adapting.
E) nociceptors.
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Question 9) T cells develop from stem cells in the
A) bone marrow.
B) liver.
C) spleen.
D) thymus.
E) kidneys.
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Question 10) General sense receptors are typically the
A) dendrites of motor neurons.
B) dendrites of sensory neurons.
C) axons of motor neurons.
D) axons of sensory neurons.
E) cell bodies of sensory neurons.
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