Special Senses Anatomy Quiz
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Questions and Answers

What is the function of the lacrimal apparatus?

  • To control the shape of the lens
  • To transduce light energy
  • To regulate the size of the pupil
  • To produce and drain tears (correct)

    • What is the function of the vascular layer of the eyeball?

  • To supply nutrients and oxygen to the eye (correct)
  • To control the shape of the lens
  • To convert light energy into neural signals
  • To detect light energy

    • What is the function of the anterior lens of the eye?

  • To precisely focus light on the retina (correct)
  • To convert light energy into neural signals
  • To transduce light energy
  • To regulate the size of the pupil

    • What is the role of visual pigments in the retina?

    <p>They are made up of proteins and vitamin A</p> Signup and view all the answers

    What happens to photoreceptors in the dark?

    <p>They are depolarized</p> Signup and view all the answers

    What is the primary function of rods and cones in the retina?

    <p>Transducing light energy</p> Signup and view all the answers

    What is the function of the fibrous layer of the eyeball?

    <p>To protect the inner structures of the eye</p> Signup and view all the answers

    What is the impact of G-forces on the retina?

    <p>Detachment of the retina</p> Signup and view all the answers

    What is the function of the otoliths in the maculae of the ear?

    <p>Increase membrane's weight and inertia</p> Signup and view all the answers

    What is the impact of bending hair cells toward the kinocilium in the maculae of the ear?

    <p>Depolarizes hair cells and increases neurotransmitter release</p> Signup and view all the answers

    What is the primary mechanism of hormone action for water-soluble hormones?

    <p>Bind to plasma membrane receptors and activate second-messenger systems</p> Signup and view all the answers

    Which stimulus directly triggers hormone release in response to changing blood levels of certain ions and nutrients?

    <p>Humoral stimuli</p> Signup and view all the answers

    What is the primary function of growth hormone (GH) in the body?

    <p>Promote growth and metabolic actions</p> Signup and view all the answers

    What is the hormone primarily responsible for regulating the body's metabolic rate?

    <p>Thyroid hormone (TH)</p> Signup and view all the answers

    Which gland is responsible for the secretion of adrenaline and cortisol?

    <p>Adrenal gland</p> Signup and view all the answers

    What is the primary function of insulin in the body?

    <p>Regulate blood glucose levels</p> Signup and view all the answers

    What is the main class of hormones that bind to intracellular receptors and direct gene activation?

    <p>Lipid-soluble hormones</p> Signup and view all the answers

    Which organ secretes hormones involved in the regulation of the sleep-wake cycle and reproductive functions?

    <p>Pineal gland</p> Signup and view all the answers

    What is the hormone primarily responsible for promoting calcium deposition in bone and inhibiting its release from the skeleton?

    <p>Calcitonin</p> Signup and view all the answers

    Which hormone is involved in the regulation of blood calcium levels through its action on the bones, kidneys, and intestines?

    <p>Parathyroid hormone</p> Signup and view all the answers

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