What is the body's first line of defense against the invasion of disease-causing microorganisms?
A) phagocytes
B) natural killer cells
C) skin and mucous membranes
D) inflammatory response
E) fever
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Question 2) Which one of the following correctly lists the order of the parts through which light passes as it enters the eye?
A) cornea, aqueous humor, lens, vitreous humor
B) aqueous humor, cornea, lens, vitreous humor
C) vitreous humor, lens, aqueous humor, cornea
D) cornea, lens, aqueous humor, vitreous humor
E) lens, aqueous humor, cornea, vitreous humor
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Question 3) Which system is a functional system, not an organ system in the anatomical sense, that consists of innate and adaptive defense mechanisms?
A) respiratory system
B) lymphatic system
C) endocrine system
D) immune system
E) cardiovascular system
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Question 4) When Brock walked out of the dark movie theater into the bright, mid-day sun, he experienced ________.
A) convergence
B) the accommodation pupillary reflex
C) the photopupillary reflex
D) eyestrain
E) hemianopia
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Question 5) Which of the following is NOT one of the mucosa-associated lymphoid tissues (MALT)?
A) tonsils
B) appendix
C) lymph nodes
D) Peyer's patches
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Question 6) The inability to see distant objects is termed nearsighted or ________.
A) emmetropia
B) hyperopia
C) myopia
D) astigmatism
E) presbyopia
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Question 7) Where are the tonsils located?
A) throat (pharynx)
B) small intestine
C) large intestine
D) overlying the heart
E) left side of the abdominal cavity
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Question 8) What flexible, crystal-like structure of the eye focuses light on the retina?
A) iris
B) sclera
C) lens
D) choroid
E) optic chiasma
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Question 9) What lymphoid organ stores platelets and acts as a blood reservoir?
A) thymus
B) spleen
C) appendix
D) tonsils
E) Peyer's patches
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Question 10) The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the ________.
A) aqueous humor
B) ciliary body
C) choroid
D) vitreous humor (body)
E) scleral venous sinus (canal of Schlemm)
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