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Human Body Systems Units 2.3 and 2.4 Review Flashcards | StudBud
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Human Body Systems Units 2.3 and 2.4 Review
Human Body Systems Units 2.3 and 2.4 Review
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1
group of diseases that damage the eye's optic nerve by a buildup of pressure inside the eye
glaucoma
retinitis pigmentosa
colorblindness
age-related macular degeneration
2
Caused by missing pigments in the cones of the retina
cataracts
colorblindness
hyperopia
myopia
3
Type of cell that has receptors for chemical signals
walmart
hormone
prokaryotic
target
4
Automatic adjustment of the eye for seeing at different distances by changing convexity of lens
accomodation
depth perception
astigmatism
refraction
5
inherited disease; retina slowly degenerates causing eventual blindness; narrows FOV
glaucoma
age-related macular degeneration
colorblindness
retinitis pigmentosa
6
Regulates blood sugar levels by increasing sugar in the blood
follicle-stimulating hormone
growth hormone
glucagon
insulin
7
Way in which the cow eye and human eye differ
humans have tapetum; cows do not have tapetum
cow eye has 4 muscles; human eye has 6 muscles
cow has round pupil; humans have oval pupil
cow eye has 6 muscles; human eye has 4 muslces
8
Defect of lens causing rays to fail to meet in a focal point resulting in a blurred image
astigmatism
refraction
depth perception
accomodation
9
Sensory nerve that communicates visual stimuli to the brain
optic nerve
retina
pupil
rod
10
Which is a correct pairing of glands that secrete their products directly into the bloodstream?
exocrine gland: salivary gland
endocrine gland: sebaceous gland
exocrine gland: sweat gland
endocrine gland: pituitary gland
11
Stimulates cell division
growth hormone
follicle-stimulating hormone
glucagon
insulin
12
Clouding of the eye's natural lens
cataracts
myopia
colorblindness
hyperopia
13
Small circular area in the retina where the optic nerve enters the eye; lacks rods and cones
lens
cornea
blind spot
pupil
14
Sensory membrane that lines the posterior chamber of the eye and contains rods and cones
blind spot
pupil
retina
optic nerve
15
Opening the iris which admits light into the interior of the eye
cornea
lens
pupil
retina
16
Caused by a deterioration of the central portion of the retina
glaucoma
retinitis pigmentosa
cataracts
age-related macular degeneration
17
Photoreceptor cell of the retina that functions in color vision
rod
blind spot
cone
retina
18
Opaque muscular contractile diaphragm that is suspended in the aqueous humor in front of lens
retina
cornea
pupil
iris
19
Photoreceptor cell of the retina that responds to faint light
retina
rod
blind spot
cone
20
Chemical signal that coordinates various parts of an organism
nerve
lysozyme
gastric juice
hormone
21
Deflection from a straight path undergone by a light ray in passing through mediums
refraction
astigmatism
depth perception
accomodation
22
Stimulates maturity of sperm and egg cells
follicle-stimulating hormone
growth hormone
insulin
glucagon
23
Condition in which visual images come to a focus in front of the retina
colorblindness
cataracts
myopia
hyperopia
24
Transparent cover in front of iris and pupil which admits light to the interior of the eye
lens
cornea
cone
blind spot
25
Regulates blood sugar levels by allowing cells to take in sugar
growth hormone
insulin
follicle-stimulating hormone
glucagon
26
Condition in which the visual images come to a focus behind the retina
cataracts
glaucoma
myopia
hyperopia
27
How are neurotransmitters and hormones similar and how are they different?
Both external signals; neurotransmitters work short distance
Both internal signals; neurotransmitters work long distance
Both external signals; neurotransmitters work long distance
Both internal signals; neurotransmitters work short distance
28
Which is the correct order that light passes through in the eye?
cornea, pupil, lens, retina
cornea, lens, pupil, retina
retina, lens, cornea, pupil
lens, cornea, pupil, retina
29
Problems in the glucose regulation loop that can lead to diabetes
Too little glucagon; cells don't respond to glucagon
Too little insulin; cells don't respond to insulin
Too little glucagon; cells do respond to glucagon
Too little insulin; cells respond to insulin
30
How is it possible to be blind but not have problems with structure and function of the eye?
damage to image processing in temporal lobe
damage to cerebellum
damage to image processing in occipital lobe
damage to amygdala
31
Coordinates endocrine and nervous systems and regulates the anterior pituitary gland
pineal gland
pons
hypothalamus
cerebellum
32
Ability to judge distance of objects and spatial relationships at different distances
accomodation
depth perception
astigmatism
refraction
33
Which is a correct pairing of glands that secrete their products onto the surface of organs?
endocrine gland: pituitary gland
endocrine gland: sebaceous gland
exocrine gland: sweat gland
exocrine gland: pituitary gland
34
Helps to refract light by changing curvature to focus light on the retina
lens
iris
pupil
cornea