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Quiz 2 Q&A
Stuff to know for End of Schooling
25
Medical
Undergraduate 1
08/08/2024

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Cards

Term
The transparent portion of the fibrous layer of the eye is the ______
Definition
Cornea
Term
The pupil is an opening within the ______
Definition
Iris
Term
Which layer of the eye contains rods and cones?
Definition
Retina
Term
Which area of the retina has the highest concentration of cones?
Definition
Fovea centralis
Term
What flexible, crystal-like structure of the eye focuses light on the retina?
Definition
Lens
Term
The aqueous humor of the eye is reabsorbed into venous blood through the _____
Definition
Scleral venous sinus (canal of Schlemm)
Term
The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the ______
Definition
Vitreous humor
Term
When Brock walked out of the dark movie theater into the bright, mid-day sun, he experienced _______
Definition
The photopupillary reflex
Term
What type of photoreceptor cells allow us to see gray tones in dim light, and provides our peripheral vision?
Definition
Rods
Term
What region of the retina lacks photoreceptor cells?
Definition
Optic disc (blind spot)
Term
What type of photoreceptor cells allow us to see colors, but only function under bright light?
Definition
Cones
Term
The inability to see distant objects is termed "nearsighted" or ______
Definition
myopia
Term
What vision disorder results from the loss of lens transparency (lens becomes cloudy or opaque)?
Definition
Cataracts
Term
Which cranial nerve transmits sensory vision information to the brain?
Definition
Optic (II)
Term
What structure is lined with ceruminous glands?
Definition
External acoustic meatus (auditory canal)
Term
What membrane divides the outer ear from the middle ear?
Definition
Tympanic membrane (ear drum)
Term
The vibration of sound waves causes the tympanic membrane, or eardrum, to move against an ossicle known as ______
Definition
Malleus or hammer
Term
What sensation is related to sitting motionless at a desk studying your anatomy and physiology material?
Definition
Static equilibrium
Term
Which cranial nerve transmits both hearing and equilibrium information to the brain?
Definition
Vestibulocochlear nerve (VIII)
Term
The age-related fusion of ear bones is known as ______
Definition
Otosclerosis
Term
What type of chemoreceptor is responsible for our sense of smell?
Definition
Olfactory receptor
Term
What specific receptor cells respond to chemicals dissolved in saliva?
Definition
Gustatory cells
Term
The five taste sensations are ______
Definition
Sweet, sour, bitter, salty, umami
Term
What are the three cranial nerves that carry taste sensations to the brain?
Definition
Facial (VII), Glossopharyngeal (IX), Vagus (X)
Term
Which one of the following cranial nerves is NOT involved in either taste or smell? Q2
Definition
Q2 Vestibulocochlear (VIII)
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