Which blood vessels receive lymph from the right lymphatic duct and the thoracic duct?
A) inferior vena cava
B) subclavian veins
C) external jugular veins
D) subclavian arteries
E) aorta
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Question 2) Which layer of the eye contains rods and cones?
A) sclera
B) retina
C) choroid
D) iris
E) optic nerve
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Question 3) From what part of the body does the right lymphatic duct collects lymph?
A) right arm
B) right leg
C) left leg
D) left side of the head
E) right and left legs
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Question 4) Select the pathway along which images received by the retina of the eye will travel into the brain.
A) optic nerve, optic chiasma, optic tracts, thalamus, optic radiation, occipital lobe
B) cochlear nerve, optic disc, optic tracts, thalamus, temporal lobe
C) optic tracts, optic chiasma, optic nerve, thalamus, optic radiation, occipital lobe
D) optic nerve, optic radiation, optic tracts, hypothalamus, temporal lobe
E) vestibular nerve, optic disc, optic chiasma, optic tracts, thalamus, parietal lobe
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Question 5) Lymph is largely composed of water that has escaped from ________.
A) cytosol
B) cerebrospinal fluid
C) saliva
D) tears
E) blood
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Question 6) What part of the retina absorbs light and prevents it from scattering inside the eye?
A) choroid
B) neural layer
C) photoreceptors
D) vascular layer
E) pigmented layer
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Question 7) What is the origin of lymphatic vessels?
A) veins of the blood vascular system
B) the organs of the digestive system
C) arteries of the blood vascular system
D) the glands of the endocrine system
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Question 8) What part of the eye has the greatest visual acuity?
A) optic disc
B) blind spot
C) ciliary body
D) vitreous humor
E) fovea centralis
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Question 9) AIDS cripples the immune system by interfering with the activity of cells called ________.
A) antigen-presenting cells
B) plasma cells
C) memory cells
D) helper T cells
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Question 10) What vision disorder results from the loss of lens transparency?
A) night blindness
B) presbyopia
C) cataracts
D) glaucoma
E) color blindness
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