Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 23, Problem 16RQ
Which of these statements about the pharynx is tine?
- It extends horn the nasal and oral cavities superiorly to the esophagus anteriorly.
- The oropharynx is continuous superiorly with the nasopharynx.
- The nasopharynx is involved in digestion.
- The laryngopharynx is composed partially of cartilage.
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Which of these statements about the pharynx is true? a. It extends from the nasal and oral cavities superiorly to the esophagus anteriorly. b. The oropharynx is continuous superiorly with the nasopharynx. c. The nasopharynx is involved in digestion. d. The laryngopharynx is composed partially of cartilage.
which os these statement about the pharynx is true ?
a. it extends from the nasal and oral cavities superiorly to the esophagus enteriorly
b. the oropharynx is contineous superiorly with the nasopharynx
c. the nasopharynx is involved in the digestion
d. the laryngopharynx is composed partially of cartilage
Once food has entered the pharynx, deglutition will become completely involuntary, and respiration will be inhibited by the swallowing center until the last stage of the process is completed. True or false and why.
Chapter 23 Solutions
Anatomy & Physiology
Ch. 23 - By clicking on this link...Ch. 23 - Visit this site...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - By watching this animation...Ch. 23 - Watch this video...Ch. 23 - Which of these organs is not considered an...Ch. 23 - Which of the following organs is supported by a...Ch. 23 - Which of the following membranes covers the...
Ch. 23 - Which of these processes occurs in the mouth?...Ch. 23 - Which of these processes occurs throughout most of...Ch. 23 - Which of the following stimuli activates sensors...Ch. 23 - Which of these statements about reflexes in the GI...Ch. 23 - Which of these ingredients in saliva is...Ch. 23 - Which of these statements about the pharynx is...Ch. 23 - Which structure is located where the esophagus...Ch. 23 - Which phase of deglutition involves contraction of...Ch. 23 - Which of these cells secrete hormones? parietal...Ch. 23 - Where does the majority of chemical digestion in...Ch. 23 - During gastric emptying, chyme is released into...Ch. 23 - Parietal cells secrete ________. gastrin...Ch. 23 - In which pail of the alimentary canal does most...Ch. 23 - Which of these is most associated with villi?...Ch. 23 - What is the roLe of the small intestines MALT?...Ch. 23 - Which part of the large intestine attaches to the...Ch. 23 - Which of these statements about bile is true?...Ch. 23 - Pancreatic juice ________. deactivates bile. is...Ch. 23 - Where does the chemical digestion of starch begin?...Ch. 23 - Which of these is involved in the chemical...Ch. 23 - Where are most fat-digesting enzymes produced?...Ch. 23 - Which of these nutrients is absorbed mainly in the...Ch. 23 - Explain how the enteric nervous system supports...Ch. 23 - What layer of the alimentary canal tissue is...Ch. 23 - Offer a theory to explain why segmentation occurs...Ch. 23 - It has been several hours since you last ate....Ch. 23 - The composition of saliva varies from gland to...Ch. 23 - During a hockey game, the puck hits a player in...Ch. 23 - What prevents swallowed food from entering the...Ch. 23 - Explain the mechanism responsible for...Ch. 23 - Describe the three processes involved in the...Ch. 23 - Explain how the stomach is protected from self...Ch. 23 - Describe unique anatomical features that enable...Ch. 23 - Explain how nutrients absorbed in the small...Ch. 23 - Why is it important that chyme from the stomach is...Ch. 23 - Describe three of the differences between the...Ch. 23 - Why does the pancreas secrete some enzymes in...Ch. 23 - Describe the location of hepatocytes in the liver...Ch. 23 - Explain the role of bile salts and lecithin in the...Ch. 23 - How is vitamin B12 absorbed?
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- The ________ is an airway that connects the nose and mouth with the ________. a. oral cavity; larynx b. pharynx; trachea c. trachea; pharynx d. pharynx; larynxarrow_forward46. Which of these statements about the pharynx is TRUE? Group of answer choices The nasopharynx is involved in digestion. The laryngopharynx is fully composed of cartilage. The oropharynx is continuous superiorly with the nasopharynx. It extends from the nasal and oral cavities superiorly to the esophagus anteriorly.arrow_forwardAre the following statements regarding the esophagus TRUE OR FALSE 1. The esophagus is held open by C-shaped rings of cartilage 2. The esophagus lies anterior to the spine 3. The esophagus lies immediately anterier to the trachea 4. The upper and lower esophageal sphincters must relax to allow passage of foodarrow_forward
- Why doesn't the foodenter the trachea instead ofgoing to the esophagus?arrow_forwardThe choanae: are the anatomical terms for nostrils. can be found posterior to the nasal cavities. are located between the nasal cavities and the oral cavity. are the openings between the paranasal sinuses and the nasopharynx.arrow_forwardThe digestive and respiratory tracts share a segment of the pharynx called the _____.arrow_forward
- how is food stopped from going into nasal cavityarrow_forwardThe larynx prevents food from entering the lower respiratory tract which includes the pharynx. is this statement true?arrow_forwardIf water entered the pig's nares, which opening in the oral cavity would it exit through? ( would it be the nasopharynx?) Pigs can be born with deformities. A student dissected a pig and discovered the rectum did not attach to the anus but ended in a small pouch. Discuss what would happen to a pig born with this deformity. ( would it be that the pig would not be able to excrete the feces and stay in its body?) Why do pigs have so many mammary papillae? ( is it because they usually have a large litter, therefore, need many mammary papillae to breastfeed them?)arrow_forward
- The nasal mucosa has a rich supply of blood vessels and nerve endings. True or false?arrow_forwardOur throat divides into two separate tubes: the windpipe and the gullet. What prevents food from entering the windpipe? The uvula The tongue The trachea The epiglottisarrow_forwardFill in the blank: The inferior portion of the pharynx is called the _____________.arrow_forward
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