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A&P II Lab Quiz 1 Name ________________________________________
1) The ________ is a blind spot on the retina, while the ________ contains only cones
and is the retinal area of greatest visual acuity.
A) optic disc, fovea centralis
B) fovea centralis, optic disc
C) fundus, macula lutea
D) macula lutea, fundus
Answer: A
2) The anterior segment of the eye contains a fluid called ________.
A) lacrimal humor
B) aqueous humor
C) vitreous humor
Answer: B
3) What is true of both the mechanism of hearing and the mechanism of equilibrium?
A) Both require the movement of fluid.
B) Sound waves (hearing) and head location/movements in space (equilibrium) are both
detected by hair receptor cells that are neurons.
C) Both mechanisms require vibrations.
D) Both require the movement of fluid, and both require vibrations.
Answer: A
4) Which of the structures below report head acceleration to the central nervous system?
A) maculae
B) vestibule
C) cristae ampullares
D) semicircular canals
Answer: C
5) Conduction deafness occurs when sound waves cannot reach the fluids of the inner
ear. Which one of the conditions below will NOT cause conduction deafness?
A) a perforated eardrum
B) inflammation of the middle ear
C) damage to the ossicles
D) damage to cochlear hair cells
Answer: D