Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Question
Chapter 22, Problem 6RFT
Summary Introduction
To review:
Match the term alveoli with the most closely related descriptions given below:
deliver blood to the head
transport blood to the body’s skeletal muscles and internal organs
arteries whose smooth muscles do not contract
stationary blood clot
network of capillaries
arteries that supply a capillary network
supply blood to the upper limbs
small air sacs
supply blood to the lower limbs
collect blood from the kidneys
Introduction:
Lungs are an important part of the respiratory system. The bronchial tubes that are present in the lungs end into small sac-like structures known as alveoli. Their walls are thin enough to permit the exchange of gases.
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Students have asked these similar questions
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
If there is decreased oxygen content in skeletal muscle tissue, arterioles supplying the skeletal muscles will ____. If there is decreased oxygen content in the alveoli, pulmonary arterioles will ____.
Choose from the following:
(A) dilate / dilate
(B) constrict / constrict
(C) constrict / dilate
(D) dilate / constrict
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 22 Solutions
Human Anatomy (9th Edition)
Ch. 22 - Prob. 1RFTCh. 22 - Prob. 2RFTCh. 22 - Prob. 3RFTCh. 22 - Prob. 4RFTCh. 22 - Prob. 5RFTCh. 22 - Prob. 6RFTCh. 22 - Prob. 7RFTCh. 22 - Prob. 8RFTCh. 22 - Prob. 9RFTCh. 22 - Prob. 10RFT
Ch. 22 - Prob. 11RFTCh. 22 - Prob. 12RFTCh. 22 - Prob. 13RFTCh. 22 - Prob. 14RFTCh. 22 - The only blood vessels whose walls permit exchange...Ch. 22 - Prob. 16RFTCh. 22 - Prob. 1RCCh. 22 - Prob. 2RCCh. 22 - Prob. 3RCCh. 22 - Prob. 4RCCh. 22 - Prob. 5RCCh. 22 - Prob. 6RCCh. 22 - Prob. 7RCCh. 22 - Prob. 8RCCh. 22 - Prob. 9RCCh. 22 - Prob. 10RCCh. 22 - Prob. 1CTCh. 22 - Prob. 2CTCh. 22 - Prob. 3CT
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Similar questions
- 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 : slowerarrow_forward7. The region of the thoracic cavity between the two lungs is called the .....................arrow_forwardA man gets stung by an insect leading to severe allergic reaction. He experiences shortness of breath and becomes unconscious. (a) Which type of shock does the man experience? Briefly describe and explain the change in peripheral resistance, blood pressure, blood volume and heart rate. (b) Suggest a medication that can treat this kind of shock and help the man to breath. Briefly explain how it works.arrow_forward
- (a) If the chest wall (including parietal pleura) is punctured, would the pressure in the pleural cavity increase or decrease? (b) Would lung size increase or decrease? (c) What is this condition called?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_forwardGas exchange at the blood air barrier is efficient because, (a) the differences in partial pressure are substantial. (b) the gases are lipid soluble. (c) the total surface area is large. (d) a, b, and c are correct.arrow_forward
- The lungs are mostly passageways and elastic tissue. (a) What is the role of the elastic tissue? (b) Of the passageways?arrow_forwardAir moves into the alveoli as a result of the: (A)Decreased pressure in the chest cavity (B) Relaxation of the diaphragm (C) Rising pressure in the alveoli (D) Rising pressure in the chest cavityarrow_forwardThe cilia lining the upper respiratory passages (superior to the larynx) beat inferiorly, whereas the cilia lining the lower respiratory passages (larynx and inferior) beat superiorly. What is the functional reason for this difference?arrow_forward
- Which 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_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(a) Define hyperventilation. (b) If you hyperventilate, do you retain or expel more carbon dioxide? (c) What effect does hyperventilation have on blood pH?arrow_forward
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