Which of the following is not considered an organ of the immune system?
a) Spleen
b) Lymph node
c) Red bone marrow
d) Thymus
e) Pancreas
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Question 2) This structure electrically insulates the axon of a neuron to increase the speed of nerve impulse conduction.
a) A
b) B
c) C
d) D
e) E
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Question 3) Which of the labeled structures in the diagram is a cutaneous mechanoreceptor that senses pressure and fast vibrations?
a) A
b) B
c) C
d) D
e) E
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Question 4) Which of the following hormones opposes the action of parathyroid hormone?
a) Thyroid-stimulating hormone
b) Testosterone
c) Insulin
d) Calcitonin
e) Calcitriol
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Question 5) In the diagram, where is the olfactory foramina?
a) C
b) D
c) E
d) F
e) G
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Question 6) In the diagram, where would you find stored Ca2+?
a) B
b) D
c) G
d) F
e) K
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Question 7) Which layer of dense connective tissue serves to protect the inner parts of the eyeball?
a) Sclera
b) Pupil
c) Iris
d) Cornea
e) Retina
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Question 8) Through which structure does blood pass from the right atrium to the right ventricle?
a) Bicuspid valve
b) Interventricular septum
c) Tricuspid valve
d) Mitral valve
e) Ascending aorta
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Question 9) Which region of the brain contains the pineal gland?
a) Thalamus
b) Cerebellum
c) Hypothalamus
d) Cerebrum
e) Epithalalmus
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Question 10) Which ganglion supplies the stomach with postganglionic neurons?
a) Middle cervical ganglion
b) Inferior cervical ganglion
c) Celiac ganglion
d) Inferior mesenteric ganglion
e) Ciliary ganglion
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