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