Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 33, Problem 7SQ
Summary Introduction
Introduction: Ear has three parts, namely the outer ear, the middle ear, and the inner ear that function to transmit and transduce sound to the brain. The sound is produced when a vibrating object varies the pressure in the medium. It also has a function in maintaining the balance of the body.
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In humans, most olfactory cells are located in thea. nasal cavity.b. nostrils.c. pharynx.d. roof of the mouth.
1) The base plate of the stapes _____.
A) transmits sound vibrations from the tympanic membrane to the ear ossicles
B) is located in the inner ear and has hair cells with stereocilia and kinocilia attached to it
C) covers the round window to the inner ear
D) vibrates in the oval window to create waves in the inner ear
In the process of hearing, the basilar membrane vibrates. Which event occurs next? (a) tympanic membrane vibrates (b) bones in middle ear amplify and conduct vibrations (c) cochlear nerve transmits impulses to organ of Corti(d) hair cells in organ of Corti are stimulated (e) vibrations are conducted to chemoreceptors
Chapter 33 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 33 - Occupational Hearing Loss Frequent exposure to...Ch. 33 - Occupational Hearing Loss Frequent exposure to...Ch. 33 - Prob. 3DAACh. 33 - Prob. 4DAACh. 33 - The pain of heartburn is an example of a ___ . a....Ch. 33 - ___ is defined as a decrease in the response to an...Ch. 33 - Which is a somatic sensation? a. taste b. smell c....Ch. 33 - Chemoreceptors play a role in the sense of ___ ....Ch. 33 - In the ___, neurons are arranged like maps that...Ch. 33 - Mechanoreceptors in the ___ send signal, to the...
Ch. 33 - Prob. 7SQCh. 33 - Prob. 8SQCh. 33 - The organ of Corti contains receptors that signal...Ch. 33 - Night vision begins with stimulation of ___ . a....Ch. 33 - Visual accommodation involves adjustment to the...Ch. 33 - When you view a close object, your lens gets ___ ....Ch. 33 - Defective or missing ___ cause mJor blindness. a....Ch. 33 - ___ causes the pupil to widen. a. Low light b....Ch. 33 - Match each structure with its description. _____...Ch. 33 - Prob. 1CTCh. 33 - A compound extracted from the leaves of the shrub...Ch. 33 - Most bats eat insects or fruit. Vampire bats,...Ch. 33 - Prob. 4CT
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- The nerves for the sense of smell pass through thea. cribriform plate. d. optic canal.b. nasolacrimal canal. e. orbital fissure.c. internal auditory canal.arrow_forwardThe shape of the external ear is due toa. skeletal muscle.b. elastic cartilage.c. fibrocartilage.d. articular cartilage.e. hyaline cartilage.arrow_forwardThe is the region of the eye that controls the amount of light that enters.a. cornea b. pupil c. lensd. fovea e. retinaarrow_forward
- a.Describe the pathway of nerve impulses from the ear to the brain. b.Describe the role the ear plays in equilibrium (balance). c.Describe one disorder pertaining to the ear.arrow_forwardIf someone is born with dense cataracts on both eyes, and the cataracts are removed years later, what happens?A. The person remains permanently blind.B. The person gradually recovers all aspects of vision.C. The person gains some vision, but remains impaired on object recognition, motion vision, and depth perception.D. The person gains almost all aspects of vision, but remains greatly impaired on color perception.arrow_forwardThe middle ear converts(A) air pressure waves to fluid pressure waves.(B) air pressure waves to nerve impulses.(C) fluid pressure waves to nerve impulses.(D) pressure waves to hair cell movements.arrow_forward
- Why is it easier to see images at night using peripheral, rather than the central, vision? a. Cones are denser in the periphery of the retina. b. Bipolar cells are denser in the periphery of the retina. c. Rods are denser in the periphery of the retina. d. The optic nerve exits at the periphery of the retina.arrow_forward1. Olfaction takes place in the:a. eye b. nose c. mouth d. ears 2. Color vision is detected by the:a. cones b. rods c. choroid d. lensarrow_forwardWhy do people over 55 often need reading glasses? a. Their cornea no longer focuses correctly. b. Their lens no longer focuses correctly. c. Their eyeball has elongated with age, causing images to focus in front of their retina. d. Their retina has thinned with age, making vision more difficult.arrow_forward
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