1. In the bronchioles: a.resistance to air flow increases due to their small diameter b.resistance to air flow is not significant due to the increased number of these tubes providing a huge total cross-sectional area c.resistance to air flow is not significant due to their large diameter d.none of the above is correct

The definition of airway resistance is the trans-pulmonary pressure change which are needed in…

Answered: n the bronchioles: a. resistance to…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Similar questions

15. Why does oxygen move from the alveoli into the pulmonary capillary blood? 16. What structural characteristic of the alveoli makes them an ideal site for the diffusion of gases?
1.What is the effect of Epinephrine on the bronchial airway? 2.During expiration, what happens to the volume of the thoracic cavity? 3.What happens to the Pressure inside the thoracic cavity?
2. Describe how the walls of the airway structures change as you move from the trachea to the alveoli.3. What structures make up the conducting zone?
19.At high altitude alveolar ventilation increases as a result of? a. high PCO2 stimulating central chemoreceptors b. high PCO2 stimulating peripheral chemoreceptors c. low PO2 stimulating central chemoreceptors d. low PO2 stimulating peripheral chemoreceptors e. alkalosis stimulating both central and peripheral chemoreceptors
34. Name the 3 types of cells that form the walls of the alveoli and then compare the type of cell and their function. Type of Cell Name of Cell in an Alveolus 35. State the function of the following parts associated with the alveoli Elastic protein fibers ish (United States) Function Function ■
11. During pneumonia, the fluid that enlarges the alveolar walls a. Causes permanent damage to the cells (b. Makes it harder to breath in С. Makes it easier to breath in d. Increases the distance air must diffuse across e. Does not affect diffusion but does affect cellular respiration
7#
5. Which of the following breathing techniques "locks out" the patient's attempt to breathe?a. Controlled Mandatory Ventilation (CMV)b. SIMVc. Assist Control Moded. Pressure support mode
5. What is the function of the conchae in the nasal cavity? a. increase surface area b. exchange gases c. maintain surface tension d. maintain air pressure 6. The faucess connects which of the following structures to the oroph a. nasopharynx b. laryngopharynx c. nasal cavity d. oral cavity 7. Which of the following are structural features of the trachea? a. C-shaped cartilage wto allenco aon b. smooth muscle fibers C. cilia d. all of the above 8. Which of the following structures is not part of the bronchial tree? a. alveoli b. ronchi C. terminal bronchioles d. respiratory bronchioles 9. What is the role of alveolar macrophages? a. to secrete pulmonary surfactant b. to secrete antimicrobial proteins C. to remove pathogens and debris d. to facilitate gas exchange
13. Draw and label the following graphs: a) Graph the effect of ventilation on arterial PCO2. b) Graph the effect of ventilation on arterial PO2. c) Graph the changes in PO2 in the trachea during one respiratory cycle. The Y-axis should include accurate numerical values.

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	a.	resistance to air flow increases due to their small diameter
	b.	resistance to air flow is not significant due to the increased number of these tubes providing a huge total cross-sectional area
	c.	resistance to air flow is not significant due to their large diameter
	d.	none of the above is correct