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BOptom (Optometry) — free MCQ practice

Choose from 30 questions across 1 subjects and 3 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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BOptom (Optometry) subjects

Biology (30)

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Allied HealthBiologySpecial Senses

Try a BOptom (Optometry) question

Cells in the retina that fire when light hits them are called:Read the answer and worked solution →Most people list five major senses: taste, smell, touch, sight and:Read the answer and worked solution →For a long time only four tastes were recognised: sweet, salty, bitter and:Read the answer and worked solution →A fifth taste, described as savoury, was recognised in the 1980s. It is:Read the answer and worked solution →

Worked practice questions

Cells in the retina that fire when light hits them are called:

  1. Photoreceptors
  2. Phonoreceptors
  3. Thermoreceptors
  4. Chemoreceptors
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Correct answer: A. Photoreceptors

1. The stimulus here is light. 2. Receptors are named for their stimulus. 3. So these are photoreceptors. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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Most people list five major senses: taste, smell, touch, sight and:

  1. Heaving
  2. Hearing
  3. Heating
  4. Healing
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Correct answer: B. Hearing

1. Four of the five are named already. 2. The ear supplies the missing one. 3. That sense is hearing. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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For a long time only four tastes were recognised: sweet, salty, bitter and:

  1. Sour
  2. Soapy
  3. Smoky
  4. Spicy
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Correct answer: A. Sour

1. Three of the four are named. 2. Lemon juice gives the fourth. 3. That taste is sour. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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