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Study
HBS Unit 2
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How does the nervous system communicate?
Hormones
Receptors and target organs
Action potentials
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Okay!
What helps us detect light?
cone cells
rod cells
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What sends the visual signal to the brain?
Auditory Nerve
Optic Nerve
Occipital Nerve
Motor Neurons
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Where is the cervical region?
The neck
The head
The thighs
The groin
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What kind of eye care professional diagnoses hyperopia or myopia, usually?
Optometrist
Optician
Obstetrician
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Where is the vitreous humor?
13
8
3
10
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What number represents when the potassium channel opens and potassium rushes out?
3
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Where are the rod and cone cells?
Retina
Optic Nerve
Occipital Lobe
Vitreous Humor
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Where is the aqueous humor?
8
13
3
10
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What is letter G?
Optic Nerve
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What kind of eye care professional fits classes and teaches about contacts?
Optometrist
Optician
Opthalmologist
Obstetrician
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What endocrine organ releases TSH?
hypothalamus
thyroid
pituitary
pancreas
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What does the pancreas release when blood sugar is high?
insulin
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What kind of lenses are prescribed for this type of disorder?
Shaded lenses
Concave or diverging lenses
Convex or converging lenses
No lenses, this is normal vision
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What is the name of this eye disorder?
myopia
astigmatism
hyperopia
gluacoma
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What part of the brain processes visual input?
Occipital Lobe
Temporal Lobe
Parietal Lobe
Frontal Lobe
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How does the endocrine system communicate?
With neurotransmitters released into the bloodstream
With hormones released into ducts
With hormones released into the bloodstream
With action potentials
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What helps us see color?
rod cells
cone cells
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What structure controls how much light enters the eye?
iris
lens
retina
cornea
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What gives your eyes their color?
Lens
Pupil
Cornea
Iris
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What structure is damaged and detached in this image?
Retina
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What kind of lenses are prescribed for this type of disorder?
convex or converging lenses
No lenses, this is normal vision
concave or diverging lenses
Shaded lenses
Oops!
Okay!
Through what structure does light first enter the eye?
Sclera
Cornea
Pupil
Iris
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Where is the thyroid gland?
The head
The neck
The abdomen
The chest
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What does the pancreas release when blood sugar is low?
insulin
glycogen
glucagon
glucose
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Why might someone with a pituitary disorder continue to grow?
Pituitary releases too much insulin
Pituitary releases too little insulin
Pituitary releases too much LH
Pituitary releases too much GH
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What eye structure is affected by cataracts?
cornea
retina
lens
sclera
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What does the pituitary release that targets the testes and ovaries?
TSH and TRH
GH and ACTH
FSH and LH
T3 and T4
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What letter labels the lens?
B
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What kind of lenses are prescribed for this disorder?
convex or converging lenses
shaded lenses
concave or diverging lenses
contact lenses
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Okay!
What number represents when the sodium channel opens and sodium rushes in?
2
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Okay!
What is the diagnosis for this eye disorder?
cataracts
myopia
hyperopia
diabetic retinopathy
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Okay!
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