Study

HBS Unit 2

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  • How does the nervous system communicate?
    Hormones
    Receptors and target organs
    Action potentials
  • What helps us detect light?
    cone cells
    rod cells
  • What sends the visual signal to the brain?
    Auditory Nerve
    Optic Nerve
    Occipital Nerve
    Motor Neurons
  • Where is the cervical region?
    The neck
    The head
    The thighs
    The groin
  • What kind of eye care professional diagnoses hyperopia or myopia, usually?
    Optometrist
    Optician
    Obstetrician
  • Where is the vitreous humor?
    13
    8
    3
    10
  • What number represents when the potassium channel opens and potassium rushes out?
    3
  • Where are the rod and cone cells?
    Retina
    Optic Nerve
    Occipital Lobe
    Vitreous Humor
  • Where is the aqueous humor?
    8
    13
    3
    10
  • What is letter G?
    Optic Nerve
  • What kind of eye care professional fits classes and teaches about contacts?
    Optometrist
    Optician
    Opthalmologist
    Obstetrician
  • What endocrine organ releases TSH?
    hypothalamus
    thyroid
    pituitary
    pancreas
  • What does the pancreas release when blood sugar is high?
    insulin
  • 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
  • What is the name of this eye disorder?
    myopia
    astigmatism
    hyperopia
    gluacoma
  • What part of the brain processes visual input?
    Occipital Lobe
    Temporal Lobe
    Parietal Lobe
    Frontal Lobe
  • 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
  • What helps us see color?
    rod cells
    cone cells
  • What structure controls how much light enters the eye?
    iris
    lens
    retina
    cornea
  • What gives your eyes their color?
    Lens
    Pupil
    Cornea
    Iris
  • What structure is damaged and detached in this image?
    Retina
  • 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
  • Through what structure does light first enter the eye?
    Sclera
    Cornea
    Pupil
    Iris
  • Where is the thyroid gland?
    The head
    The neck
    The abdomen
    The chest
  • What does the pancreas release when blood sugar is low?
    insulin
    glycogen
    glucagon
    glucose
  • 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
  • What eye structure is affected by cataracts?
    cornea
    retina
    lens
    sclera
  • What does the pituitary release that targets the testes and ovaries?
    TSH and TRH
    GH and ACTH
    FSH and LH
    T3 and T4
  • What letter labels the lens?
    B
  • What kind of lenses are prescribed for this disorder?
    convex or converging lenses
    shaded lenses
    concave or diverging lenses
    contact lenses
  • What number represents when the sodium channel opens and sodium rushes in?
    2
  • What is the diagnosis for this eye disorder?
    cataracts
    myopia
    hyperopia
    diabetic retinopathy