EP HUMAN ANATOMY-MODIFIED MASTERING ACC
9th Edition
ISBN: 9780134562803
Author: Martini
Publisher: PEARSON CO
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Textbook Question
Chapter 24, Problem 2RFT
Match each numbered item with the most closely related lettered item.
segmental bronchi...........................
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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
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)
Chapter 24 Solutions
EP HUMAN ANATOMY-MODIFIED MASTERING ACC
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 - Prob. 8RFTCh. 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. 12RFTCh. 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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- (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_forwardGas exchange in the lungs takes place in the (a) alveoli, (b) bronchioles, (c) segmental bronchi, (d) lobar bronchi.arrow_forward7. The region of the thoracic cavity between the two lungs is called the .....................arrow_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_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_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_forward
- 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?arrow_forwardIf 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 / constrictarrow_forwardWhen 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_forward
- A 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_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
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