Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 41, Problem 3TYK
Which of the following situations is associated with movement and position in the human body?
a. Statoliths in statocysts bend sensory hairs and trigger actionpotentials.
b. If sensory hairs in the utricle are oriented horizontally andthose in the saccule are oriented vertically, the person is lyingdown.
c. When the head rotates, the endolymph in the semicircularcanal pulls the cupula with it to activate sensory hair cells.
d. Displacement of the utricle and saccule generates actionpotentials.
e. If the body is spinning at a constant rate and direction, thecupula is displaced and action potentials are initiated.
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what statements are true about Balance
a. Static balance evaluates the position of the head relative to gravity and detects linear acceleration and deceleration.
b. The utricle and saccule in the inner ear contain maculae.
c. The maculae consist of hair cells with the hairs embedded in a gelatinous mass that contains otoliths.
d. The gelatinous mass moves in response to gravity.
The inner ear is responsible for both hearing and balance. One of the diseases affecting the inner ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms. Vertigo is a sensation that the surrounding is spinning or swaying in the absence of any body movement.
Which of the following rows correctly identifies the affected structure and process in individuals experiencing vertigo?
Select one:
a.
Structure
Process
Semicircular canals
Rotational equilibrium
b.
Structure
Process
Semicircular canals
Gravitational equilibrium
c.
Structure
Process
Organ of Corti
Gravitational equilibrium
d.
Structure
Process
Organ of Corti
Rotational equilibrium
The inner ear is responsible for both hearing and balance. One of the diseases affecting the inner
ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms.
Vertigo is a sensation that the surroundings are spinning or swaying in the absence of any body
movement.
Which of the following rows correctly identifies the affected structure and process in individuals
experiencing vertigo?
Select one:
a.
Structure
Process
Semicircular canals
Gravitational equilibrium
O b.
Structure
Process
Organ of Corti
Rotational equilibrium
O c.
Structure
Process
Organ of Corti
Gravitational equilibrium
d.
Structure
Process
Semicircular canals
Rotational equilibrium
Chapter 41 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 41.1 - Prob. 1SBCh. 41.1 - Prob. 2SBCh. 41.2 - Prob. 1SBCh. 41.2 - What properties qualify proprioceptors as...Ch. 41.3 - What vibration-detecting systems are found in...Ch. 41.3 - Prob. 2SBCh. 41.4 - For vertebrate photoreception, define: (a)...Ch. 41.5 - How do we distinguish different kinds of smells?Ch. 41.5 - Prob. 2SBCh. 41.6 - Prob. 1SB
Ch. 41.7 - What are three ways electroreceptors are used in...Ch. 41 - An ambulance siren in close proximity to a dog can...Ch. 41 - Prob. 2TYKCh. 41 - Which of the following situations is associated...Ch. 41 - Prob. 4TYKCh. 41 - Prob. 5TYKCh. 41 - The eyes of vertebrates and cephalopods are...Ch. 41 - Which of the following events does not occur...Ch. 41 - Prob. 8TYKCh. 41 - Prob. 9TYKCh. 41 - Prob. 10TYKCh. 41 - Discuss Concepts In owls and many other birds of...Ch. 41 - Prob. 12TYKCh. 41 - Prob. 13TYKCh. 41 - Prob. 14TYKCh. 41 - Prob. 15TYKCh. 41 - Prob. 1ITDCh. 41 - Prob. 2ITDCh. 41 - Prob. 3ITD
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- 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_forwardWhich 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.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_forward
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