LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Question
Chapter 19, Problem 4MC
Summary Introduction
Introduction:
Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following descriptions of photoreceptors in the eye is NOT correct?
a. Cones are concentrated in the fovea of the retina and function to detect colours.
b. Rods are concentrated at the periphery and function well in dim light.
c. Rods are concentrated in the fovea of the retina and function well in dim light.
d. Rods are sensitive to light and register black and white. Cones detect colours.
Choose the structure that corresponds to each statement. a. bipolar cell layer e. macula lutea b. central fovea f. optic disc c. cones g. photoreceptor layer d. ganglion cell layer h. rods 1. has the highest density of cones in the retina 2. axons form optic nerve 3. does not contain photoreceptors; blind spot 4. photoreceptor that allows us to see color 5. contains rods and cones 6. the center of the neural portion of the retina 7. photoreceptor used in night vision 8. rods and cones synapse on these cells
Which of the following is accurate about the maculae of the vestibular apparatus?
a. They detect rotational movements of the head.
b. They are located in the semicircular canal.
c. Nerve signals are generated when the otolithic membrane bends the stereocilia of the hair cells.
d. They are the organs of hearing.
Chapter 19 Solutions
LooseLeaf for Human Anatomy
Ch. 19 - How does a sensory receptor functions as a...Ch. 19 - What is difference between tonic and phasic...Ch. 19 - Prob. 3WYLCh. 19 - Prob. 4WYLCh. 19 - What stimuli affect mechanoreceptors and...Ch. 19 - How do unencapsulated receptors differ from...Ch. 19 - Prob. 7WYLCh. 19 - Which cranial nerves receive taste sensations from...Ch. 19 - What are the components and functions of the...Ch. 19 - What are the olfactory hairs and what is their...
Ch. 19 - Prob. 11WYLCh. 19 - Prob. 12WYLCh. 19 - Prob. 13WYLCh. 19 - What is the hyaloid canal, and what does it...Ch. 19 - What is the function of the auditory ossicles?Ch. 19 - Prob. 16WYLCh. 19 - In general, how are the hair cells in the spiral...Ch. 19 - Prob. 18WYLCh. 19 - Match each numbered item with the most closely...Ch. 19 - Prob. 1MCCh. 19 - Prob. 2MCCh. 19 - Prob. 3MCCh. 19 - Prob. 4MCCh. 19 - The tarsal glands secrete a. a high-salt fluid to...Ch. 19 - Prob. 6MCCh. 19 - a. gustatory receptors. b. chemoreceptors. c....Ch. 19 - Prob. 8MCCh. 19 - Prob. 9MCCh. 19 - a. It is part of the body labyrinth. b. It is...Ch. 19 - What are the classifications of sensory receptors...Ch. 19 - Prob. 2CRCh. 19 - Prob. 3CRCh. 19 - Describe the pathway by which olfactory stimuli...Ch. 19 - What structures in the wall of the eye help...Ch. 19 - Prob. 6CRCh. 19 - Prob. 7CRCh. 19 - Where are the tensor tympani and the stapedius...Ch. 19 - Prob. 9CRCh. 19 - Describe the pathway by which sound waves enter...Ch. 19 - Prob. 1DCRCh. 19 - Prob. 2DCR
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements aboutphotopic vision is false?a. It is mediated by the cones.b. It has a low threshold.c. It produces fine resolution.d. It does not function in starlight.e. It does not employ rhodopsin.arrow_forwardWhich of the following statements explains why vision is less sharp in dim light than in bright light?a. Cones are more responsive in dim light.b. There are more rods than cones in the eye.c. Many rods converge on a single ganglion.d. The dilated pupil lets in more light than the lens can focus.arrow_forwardA bar of light in a specific part of the retina, with a particular length and orientation, is the most effective stimulus for a.retinal ganglion cells. b.lateral geniculate cells. c.simple cortical cells. d.complex cortical cells.arrow_forward
- Which one of the following statements about photoreception is true? a. Light detection is initiated by the absorbance of light (a photon) by a photopigment molecule. b. Light detection is synonomous with vision. c. Light detection is always initiated in a rod photoreceptor located in the retina. d. Only light in the visible range (between 400 and 700 nm wavelength) can be detected by animals. e. None of the above answer choices (neither A, nor B, nor C, nor D) is true.arrow_forwardIn the retina are cones that are most sensitive to a particular color.Given this list of colors:(1) red (2) yellow (3) green (4) blueIndicate which colors correspond to specific types of cones.a. 2,3 b. 3,4 c. 1,2,3 d. 1,3,4 e. 1,2,3,4arrow_forwardLight resets the biological clock by a branch of the optic nerve, beginning with _____ and sending the input to _________. a. rods . . . the SCN b. cones . . . the SCN c. a mixture of rods and cones . . . the visual cortex d. ganglion cells that do not require input from rods or cones . . . the SCNarrow_forward
- Which of the following best describes hearing receptor “hair cells”? a. They are neurons. b. They lack ion channels. c. They are epithelial, but function like neurons. d. They are built of the protein keratin.arrow_forwardWhy is a retinal defect, such as retinitis pigmentosa, which causes tunnel vision, associated with night blindness? a. Tunnel vision and night blindness are unrelated conditions. b. The high density of rod photoreceptors in the fovea are unaffected in each condition. c. The highest resolution cone photoreceptors are found exclusively in the outer regions of the retina. d. The color-detecting cone photoreceptors have the greatest density in the outer regions of the retina. e. The highly-sensitive rod photoreceptors are located in the outer regions of the retina.arrow_forwardAt night, which type(s) of photopigment enable(s) you to discriminate the colors of neon signs and traffic lights? A. Rhodopsin B. Cone visual pigments C. Melanopsin D. Two of the abovearrow_forward
- Which of the following is an example of adequate stimulus? O A. Pressure waves that hit the rods and cones. B. Light that hit the cochlea. C. Changes in velocity that are detected by the vestibular organs. D. Alpha motor activation.arrow_forwardWhich of the following provides an example of serial (rather than parallel) processing in the visual system? a. Visual information is sent from the retina, to the LGN, and then to the visual cortex. b. Rods and cones function simultaneously in the retina. c. The “what” and “where” streams in the visual association cortex work together. d. Processing of motion and shape inform each other.arrow_forwardWhich of the following statements are true of the physiology of vision? (Read carefully and select all the correct statements.) A. Cones are the receptors for color. B. The lens adjusts for distant vision, and the cornea adjusts for near vision. C. The optic nerve is formed by the ganglion neurons of the choroid layer. D. For near vision, the pupils dilate and the eyes converge. E. The optic chiasma is a crossing of optic nerve fibers that contributes to binocular vision. F. The visual areas are in the occipital lobes of the cerebrum. G. The area of the retina for the best color vision is the optic disc. H. Rods are most numerous at the periphery of the retina.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Visual Perception – How It Works; Author: simpleshow foundation;https://www.youtube.com/watch?v=DU3IiqUWGcU;License: Standard youtube license