Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 50, Problem 5TYK
Summary Introduction
Introduction: In the inner ear, some channels are filled with fluid; these channels are known as semicircular canals. These structures help in maintaining the equilibrium of the body.
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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.
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.
Which 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.
Chapter 50 Solutions
Study Guide for Campbell Biology
Ch. 50 - List and describe the four functions common to all...Ch. 50 - Prob. 2IQCh. 50 - Label the parts in the following diagram of the...Ch. 50 - Label the parts of the human eye in the following...Ch. 50 - The receptive field of a ganglion cell includes...Ch. 50 - Prob. 6IQCh. 50 - Identify the components in the following diagram...Ch. 50 - a. Identify the three distinct types of skeletal...Ch. 50 - List an advantage and a disadvantage of each of...Ch. 50 - a. Which mode of locomotion is the most energy...
Ch. 50 - Prob. 1SYKCh. 50 - Prob. 2SYKCh. 50 - Prob. 3SYKCh. 50 - Prob. 1TYKCh. 50 - Prob. 2TYKCh. 50 - Prob. 3TYKCh. 50 - Prob. 4TYKCh. 50 - Prob. 5TYKCh. 50 - Prob. 6TYKCh. 50 - Prob. 7TYKCh. 50 - Prob. 8TYKCh. 50 - The eyes of individuals with achromatopsia contain...Ch. 50 - Which of the following structures is incorrectly...Ch. 50 - Prob. 11TYKCh. 50 - The absorption of light by rhodopsin in a rod cell...Ch. 50 - Prob. 13TYKCh. 50 - Prob. 14TYKCh. 50 - Prob. 15TYKCh. 50 - Prob. 16TYKCh. 50 - The role of ATP in muscle contraction is to a....Ch. 50 - How does calcium affect muscle contraction? a. It...Ch. 50 - Prob. 19TYKCh. 50 - Prob. 20TYKCh. 50 - Prob. 21TYKCh. 50 - Prob. 22TYKCh. 50 - Prob. 23TYKCh. 50 - Which of the following combinations of animal size...
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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
- Regarding the sensation of various species, which of the following statements is false? A. The eyes of honeybees transduce parts of the electromagnetic spectrum that are invisible to humans B. Bats ears transduce sound waves that humans cannot hear C. Research has shown that the human eye transducers all of the electromagnetic spectrum to the brain, but the brain is unable to perceive it. D. Sharks have special organs that can sense the bioelectric fields of other living thingsarrow_forwardWhich 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_forwardwhat statements are false 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.arrow_forward
- What is the function of the three ossicles shown in blue (10, 12, 13)? ear with labels colorful.png a. amplify the motion created by sound waves hitting the tympanic membrane (ear drum) and conveying that to the labyrinth's little oval window, causing fluid to slosh inside the cochlea B . move when the tympanic membrane (ear drum) moves, creating pressure waves in the middle ear that feed down into the pharynx and combine with sound wave information from our jaws C. When the tympanic membrane (ear drum) moves, their mechanoreceptors are activated to send neural impulses to the brain about the sound wave intensities (loudness) D. they equalize the pressure inside the ear to protect the delicate sensory cells inside the inner eararrow_forwardWhen you exit a dark room into a brightly lit environment, within seconds, you to see a crisp view of your surroundings. However, when you enter a dark room from a brightly lit environment, your eyes might take more than 10 minutes to become used to the new surroundings. Your eyes are waiting for: a. the rods to begin to function b. the cones to begin to function c. the pupils to get smallerarrow_forwardWhich of the following are correct? Which one or more? a. Auditory fatigue is the increase in threshold after exposure to a loud sound. Auditory adaptation is a reduction in response of the auditory receptors to a sound over time followed by a steady state. b. The change in auditory thresholds is independent of the intensity, but dependent on the duration of the loud sound. c. Exposure to loud sounds is unable to damage the hair cells in the inner ear and therefore cannot lead to a permanent threshold shift. d. Auditory adaptation is the increase in threshold after exposure to a loud sound. Auditory fatigue is a reduction in response of the auditory receptors to a sound over time followed by a steady state.arrow_forward
- Which statement is FALSE? A. The basilar membrane fibers nearer the oval window are long and fluffy B. Sound signals are processed by the resonance of the basilar membrane before reaching the receptors C. Different frequencies of pressure waves in the cochlea cause specific places along the basilar membrane to vibrate, stimulating particular hair cells and sensory neurons. D. None of the choicesarrow_forwardwhat 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.arrow_forwardWhich of the following limits the potential of an individual neuron to encode the frequency of a stimulus using temporal coding? A the upper limit on the firing rate of a neuron. B the pinna of the outer ear C the oscicles of the middle ear D the flexibility of the oval windowarrow_forward
- How do we localize where sound is coming from and which structures are responsible? Select all that apply: a. The auditory nerve communicates with the vestibular nuclei to process information about the body's location b. Medial geniculate nucleus processes visual stimuli to locate visual cues associated with the sound c. The hair cells simultaneously process information about frequency as well as the location the sound originated in d. Lateral superior olives respond to differences in the amplitude of sound waves from each ear e. Medial superior olives respond to differences in the time it takes sound to arrive in each eararrow_forwardWhich of the following is true about rods? a. Rods have a low level of photopigment. b. Rods are concentrated in the fovea. c. Rods adapt slowly to darkness. d. Rods can detect colorarrow_forwardDo answer and explain Which of the following cells in the inner ear are involved in detecting angle of the head? A. Hair cells in the maculae B. Outer pillar cells C. Hair cells in the cristae ampullaris D. Cells of Hensen E. Hair cells in the organ of Cortiarrow_forward
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