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Biology

Visual Connection Questions

BiologyVisual Connection Questions
1.

Figure 36.5 Which of the following statements about mechanoreceptors is false?

  1. Pacini corpuscles are found in both glabrous and hairy skin.
  2. Merkel’s disks are abundant on the fingertips and lips.
  3. Ruffini endings are encapsulated mechanoreceptors.
  4. Meissner’s corpuscles extend into the lower dermis.
2.

Figure 36.14 Cochlear implants can restore hearing in people who have a nonfunctional cochlear. The implant consists of a microphone that picks up sound. A speech processor selects sounds in the range of human speech, and a transmitter converts these sounds to electrical impulses, which are then sent to the auditory nerve. Which of the following types of hearing loss would not be restored by a cochlear implant?

  1. Hearing loss resulting from absence or loss of hair cells in the organ of Corti.
  2. Hearing loss resulting from an abnormal auditory nerve.
  3. Hearing loss resulting from fracture of the cochlea.
  4. Hearing loss resulting from damage to bones of the middle ear.
3.

Figure 36.17 Which of the following statements about the human eye is false?

  1. Rods detect color, while cones detect only shades of gray.
  2. When light enters the retina, it passes the ganglion cells and bipolar cells before reaching photoreceptors at the rear of the eye.
  3. The iris adjusts the amount of light coming into the eye.
  4. The cornea is a protective layer on the front of the eye.
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