1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 47, Problem 7U
Summary Introduction
Introduction:
Ventilation is the process of taking in oxygen and giving out of carbon dioxide with the help of the movement of ribs, diaphragm and the muscles of the ribs. It is different from the process of breathing as in respiration there is breakdown of glucose, also which is accompanied by the release of energy. It is the process that supports life on Earth.
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Inspiration occurs when:
a. atmospheric pressure is greater than the pressure found inside the lungs (alveoli)
b. atmospheric pressure is less than the pressure found inside the lungs
c. the intrapleural pressure is greater than the pressure found in the atmosphere
d. the atmospheric pressure is equal to the pressure found inside the lungs
During expiration at sea level:
a.
atmospheric pressure increases
b.
intrapleural pressure becomes more positive
c.
lung volume increases
d.
intrapleural pressure rises above intrapulmonary pressure
e.
intrapulmonary pressure decreases below atmospheric pressure
a. Why is a minimum flow rate of 5 Lpm recommended for oxygen delivery by mask?
b. Why will an air entrainment mask never deliver 100% oxygen?
c. Briefly explain why the trans-tracheal catheter requires less oxygen flow than the nasal cannula to achieve a given arterial partial pressure of oxygen.
d. Explain the difference between a high-flow and a low-flow oxygen delivery system. Give an example of each.
Chapter 47 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 47.1 - Prob. 1LOCh. 47.1 - Prob. 2LOCh. 47.1 - Compare evolutionary strategies for maximizing gas...Ch. 47.2 - Prob. 1LOCh. 47.2 - Prob. 2LOCh. 47.3 - Prob. 1LOCh. 47.3 - Prob. 2LOCh. 47.3 - Describe the breathing cycle of birds.Ch. 47.4 - Prob. 1LOCh. 47.4 - Prob. 2LO
Ch. 47.4 - Prob. 3LOCh. 47.5 - Describe the structure of hemoglobin.Ch. 47.5 - Predict hemoglobins oxygen affinity in various...Ch. 47.5 - Prob. 3LOCh. 47 - Prob. 1DACh. 47 - Prob. 2DACh. 47 - Prob. 3DACh. 47 - Prob. 4DACh. 47 - For a given PO2, how does oxyhemoglobin saturation...Ch. 47 - Prob. 1IQCh. 47 - Prob. 2IQCh. 47 - Prob. 1UCh. 47 - Increased efficiency of gas exchange in...Ch. 47 - Prob. 3UCh. 47 - Prob. 4UCh. 47 - Ficks Law of Diffusion states the rate of...Ch. 47 - Prob. 6UCh. 47 - Prob. 7UCh. 47 - Prob. 8UCh. 47 - When you take a deep breath, your stomach moves...Ch. 47 - Marine mammals are able to hold their breath for...Ch. 47 - Countercurrent flow systems do not occur in lungs...Ch. 47 - Respiratory organs of invertebrates and...Ch. 47 - Prob. 5ACh. 47 - During exercise more oxygen is delivered to the...Ch. 47 - Compare the operation and efficiency of fish gills...Ch. 47 - What happens when, during exercise, the oxygen...Ch. 47 - Explain how bacteria, archaea, protists, and many...
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Similar questions
- A contraction of the smooth muscle in the walls of the bronchi and bronchioles that tighten and squeeze the airway shut is known as a/an ______________arrow_forwardGas exchange occurs at the _______. a. two bronchi b. pleural sacs c. alveoli d. both b and carrow_forwardThe respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forward
- Increasing the size of the thoracic cavity causes the alveolar pressure to: A. Decrease B. Increase C. Stay the Same D. None of the abovearrow_forwardVentilation in the capillaries is matched to perfusion. This means that a. blood pressure from capillaries must match the pressure from the arterioles b. gas pressure in the alveolar must match the pressure in the bronchioles c. ventilation is never profuse enough d. ventilation in the alveolar must match the blood flow passing over those alveiolararrow_forwardA patient who breathes very slowly when wearing a low Flow of oxygen device would have: A. An increased concentration of oxygen in the lungs B. A decreased concentration of oxygen in the lungs C. There is no effect on oxygen concentration in the lungs D. There is a minimal if no effect on oxygen concentration in the lungsarrow_forward
- Which of the following occurs for expiration to occur? a. the thoracic volume decreases b. the thoracic volume increases c. the intrapulmonary pressure decrease compared to atmospheric air pressure d. the intrapleural pressure becomes more negativearrow_forwardExplain the following terms: a. ABG analysis: b. External respiration: c. Inhalation/Exhalation: d. Internal respiration: e. Lung capacity: f. Lung volume: g. Oxygen and carbon dioxide transport: h. Oxygen saturation: i. Pulmonary function test:arrow_forwardDuring acute epiglottitis, the epiglottis swells to several times its normal size. This would interfere directly with: a. internal respiration b. external respiration c. breathing d. gas exchange in the alveoliarrow_forward
- Compliance of the lungs and thoraxa. is the volume by which the lungs and thorax change for each unitchange of intra-alveolar pressure.b. increases in emphysema.c. decreases because of lack of surfactant.d. All of these are correct.arrow_forwardInspiration occurs when barometric pressure: A. Is the same as alveolar pressure B. Is higher than alveolar pressure C. Is lower than alveolar pressure D. None of the above.arrow_forwardWhich of the following is true regarding respiratory distress syndrome? A. The work of breathing of the infant is reduced B. Type I alveolar cells are not properly synthesizing surfactant C. Sensation of oxygen and carbon dioxide by the chemoreceptors is inadequate D. Surface tension within alveoli is too high so the alveoli collapse E. The alveoli are not big enough yet to allow the infant to properly breathearrow_forward
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