HSF Special Senses: Eye Anatomy and Vision Disorders

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Questions and Answers

What is responsible for equilibrium maintenance by detecting head movements and position?

  • Cochlear nerve
  • Vestibulocochlear nerve
  • Tympanic membrane
  • Semicircular canals (correct)

What results from middle ear inflammation?

  • Otitis media (correct)
  • Deafness
  • Ménière’s syndrome
  • Sound localization

Which part of the ear is responsible for transmitting sound to the internal ear fluids?

  • Ossicles (correct)
  • Pinna
  • Cochlea
  • Tympanic membrane

What triggers nerve impulses during sound transduction in the cochlea?

<p>Bending of hair cells (D)</p> Signup and view all the answers

What is the main cause of cataracts?

<p>Excessive exposure to ultraviolet radiation (A)</p> Signup and view all the answers

Which eye disorder is caused by the elongation of the eyeball?

<p>Myopia (D)</p> Signup and view all the answers

Which part of the eye is responsible for converting light into a neural signal?

<p>Retina (D)</p> Signup and view all the answers

How do the semicircular canals and the vestibule help maintain equilibrium?

<p>By detecting changes in head position and movement (A)</p> Signup and view all the answers

What are the two main classifications of hormones based on their chemical composition?

<p>Amino acid-based and steroid hormones (C)</p> Signup and view all the answers

How do hormones exert their effects?

<p>By altering membrane permeability (D)</p> Signup and view all the answers

What regulates hormone release through negative feedback mechanisms?

<p>Blood levels and nervous system signals (D)</p> Signup and view all the answers

Which gland controls the pituitary gland through releasing and inhibiting hormones, forming the hypothalamic-pituitary axis?

<p>Hypothalamus (D)</p> Signup and view all the answers

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