EBK HUMAN ANATOMY
8th Edition
ISBN: 9780100799554
Author: Martini
Publisher: YUZU
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Question
Chapter 24, Problem 5RFT
Summary Introduction
To review:
Match the term lower respiratory system with the most closely related descriptions given below:
Superior portion of the pharynx
Bridge of the nose
Nose, nasal cavity, paranasal sinuses, nasal conchae, and nasopharynx
Windpipe
Lobar bronchi
Contains and protects the glottis
Larynx, trachea, bronchi, bronchioles, and alveoli of the lungs
Provide protection for the vocal folds
Positions and stabilizes the larynx
Segmental bronchi
Introduction:
The human respiratory system is segregated into parts namely upper and lower respiratory system. The organs present in both the systems are different and perform a specific function that is important for the respiration of the organism.
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Fill in the space with the appropriate word from the word-bank below;
causing
During inhalation, the diaphragm and intercostal muscles 36....
37................ in the volume of the chest-cage. This creates 38............... pressure in the
lungs and causes air to flow from 39...................
During exhalation, the diaphragm and intercostal muscles 40................... causing
41.................. of the volume of the chest-cage. This creates 42................. pressure in the
lungs and causes air to flow from 43...................
● Inside to outside
●
●
●
●
●
Expansion
Compression
Relax
Constrict
Outside to inside
3) Blood arriving in the lungs has a .......... Po2 and a ......... Pco2 than alveolar air does.
A) higher : lower
B) lower : higher
C) slower : faster
D) faster : slower
When individuals are hyperventilating, they are told to breathe into a paper bag or into their cupped hands. (a) Explain why this increases blood carbon dioxide levels. (b) What will this do to the breathing rate?
Chapter 24 Solutions
EBK HUMAN ANATOMY
Ch. 24 - Match each numbered item with the most closely...Ch. 24 - Match each numbered item with the most closely...Ch. 24 - Prob. 3RFTCh. 24 - Match each numbered item with the most closely...Ch. 24 - Prob. 5RFTCh. 24 - Prob. 6RFTCh. 24 - Match each numbered item with the most closely...Ch. 24 - Match each numbered item with the most closely...Ch. 24 - Match each numbered item with the most closely...Ch. 24 - Prob. 10RFT
Ch. 24 - 11. Air entering the body is filtered, warmed, and...Ch. 24 - Prob. 11RFTCh. 24 - Prob. 13RFTCh. 24 - Prob. 14RFTCh. 24 - Prob. 15RFTCh. 24 - Prob. 16RFTCh. 24 - Prob. 17RFTCh. 24 - The trachea (a) is lined by simple squamous...Ch. 24 - Prob. 19RFTCh. 24 - Prob. 1RCCh. 24 - Prob. 2RCCh. 24 - Prob. 3RCCh. 24 - Prob. 4RCCh. 24 - Prob. 5RCCh. 24 - Prob. 6RCCh. 24 - What is the function of the septa?Ch. 24 - Prob. 8RCCh. 24 - 9. Which paired laryngeal cartilages are involved...Ch. 24 - What portion of the pharynx does the...Ch. 24 - 1. What is the condition called asthma, and how...Ch. 24 - Prob. 2CT
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- 7. The region of the thoracic cavity between the two lungs is called the .....................arrow_forwardGas exchange in the lungs takes place in the (a) alveoli, (b) bronchioles, (c) segmental bronchi, (d) lobar bronchi.arrow_forwardWhich one of the following is a possibility for most of us in regard to breathing, by making a conscious effort? (a) One can breathe out air totally without oxygen. (b) One can breathe out air through Eustachian tube by closing both nose and mouth. (c) One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all. (d) The lungs can be made fully empty by forcefully breathing out all air from them. (Mains 2011)arrow_forward
- In the respiratory system of humans, there are two zones, conducting and exchange. (a) Name all the parts of the conducting zone and exchange zone (be specific). (b) which parts pf the respiratory tract have the incomplete cartilagenous rings.arrow_forwardThe amount of air moved into or out of the lungs during a single respiratory cycle is the, (a) respiratory rate. (b) tidal volume. (c) residual volume. (d) inspiratory capacity.arrow_forwardThe ventral respiratory group functions in Choose from the following: (A) normal inspiration / forced expiration (B) forced inspiration / passive expiration (C) forced inspiration / forced expirationarrow_forward
- Under ordinary circumstances, the inflation reflex is initiated by (a) noxious chemicals, (b) the ventral respiratory group, (c) overinflation of the alveoli and bronchioles, (d) the pontine respiratory centers.arrow_forwardThe lungs are mostly passageways and elastic tissue. (a) What is the role of the elastic tissue? (b) Of the passageways?arrow_forwardA 5-year-old child announces to her parents (former A&P students) that she is going to hold her breath until she is allowed to watch more television. The parents are not worried. (a) Explain why the parents are not worried. (b) Explain how the child’s blood carbon dioxide levels and blood hydrogen ion and bicarbonate ion levels change while she is holding her breath.arrow_forward
- When the inspiratory muscles contract, (a) only the lateral dimension of the thoracic cavity increases, (b) only the anteroposterior dimension of the thoracic cavity increases, (c) the volume of the thoracic cavity decreases, (d) both the lateral and the anteroposterior dimensions of the thoracic cavity increase, (e) the diaphragm bulges superiorly.arrow_forwardWhen the diaphragm contracts, it tenses and moves inferiorly, causing(a) an increase in the volume of the thoracic cavity. (b) a decrease in the volume of the thoracic cavity. (c) decreased pressure on the contents of the abdominopelvic cavity. (d) increased pressure in the thoracic cavity.arrow_forwardMs. Brown has smoked cigarettes for years and is having breathing difficulties. She has been diagnosed with emphysema. Describespecific kinds of structural changes you would expect to observe in Ms. Brown’s respiratory system. How are air flow and gas exchange affected by these structural changes?arrow_forward
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