Sensory System: Structure of the Eye Quiz
16 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of the cornea in the eye?

  • It surrounds the eyeball and protects it from damage
  • It produces tears to moisten the surface of the eye
  • It provides nutrition to the space between cornea and lens
  • It bends light entering the eye by refraction and is responsible for 2/3 of the focusing of light onto the retina (correct)
  • Where is the conjunctiva located?

  • It is located at the front of the eye, in front of the iris, pupil, and lens
  • It surrounds the eyeball and protects it from damage
  • It is a mucus membrane that covers the cornea
  • It covers the eye and lines eyelids to keep them moist and lubricated (correct)
  • What is the function of tear ducts and glands in the eye?

  • To protect the eye from damage by blinking reflexes
  • To produce a watery fluid that fills the space between cornea and lens
  • To produce a thin layer of tears that spread over the surface of the cornea at each blink (correct)
  • To provide nutrition to the space between cornea and lens
  • What happens to excess fluid produced by tear glands?

    <p>It is drained through tear ducts, located in the corner of the eye, draining to the nose</p> Signup and view all the answers

    What is the function of aqueous humour in the eye?

    <p>To fill the space between cornea and lens and provide nutrition</p> Signup and view all the answers

    How does the sclera protect the eyeball?

    <p>By being a white tough layer of elastic tissue that surrounds the eyeball</p> Signup and view all the answers

    What is the function of vitreous humour in the eye?

    <p>Helps maintain pressure within the eye and the shape of the eye</p> Signup and view all the answers

    Which part of the eye contracts to widen the pupil in dark environments?

    <p>Ciliary muscle</p> Signup and view all the answers

    What is the purpose of the suspensory ligaments in the eye?

    <p>To attach the lens to the ciliary muscles</p> Signup and view all the answers

    In which part of the eye are cones concentrated?

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

    What is the function of rods in the eye?

    <p>To detect potential threats in dim light conditions</p> Signup and view all the answers

    Which part of the ear is responsible for maintaining balance?

    <p>Semicircular canals</p> Signup and view all the answers

    What is the role of the eustachian tube in the ear?

    <p>To equalize air pressure between the middle ear and the atmosphere</p> Signup and view all the answers

    Which structure in the eye contains light-sensitive cells connected to nerve cells?

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

    What is the function of the iris in the eye?

    <p>To control the amount of light entering the eye</p> Signup and view all the answers

    Which part of the eye is responsible for carrying out the final focusing of light after it passes through the cornea?

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

    More Like This

    Vision Impairment
    10 questions

    Vision Impairment

    CrispMoonstone avatar
    CrispMoonstone
    The Wonders of the Human Eye
    5 questions
    Analiza sistemului vizual
    29 questions
    Visual Sensory System Quiz
    5 questions

    Visual Sensory System Quiz

    SmilingWildflowerMeadow4200 avatar
    SmilingWildflowerMeadow4200
    Use Quizgecko on...
    Browser
    Browser