75. In a healthy person who is standing, which of the following best characterizes findings in the apical regions of the lungs if compared with the basal regions?Ventilation/Perfusion RatioComplianceAlveolar PO 2A)B)C)DOE)No changeNo change↑↓↑↑no change↑↓no changeno changeno change↑↑

Introduction The ventilation rate (V) refers to the volume of gas inhaled and exhaled from the…

Answered: 75. In a healthy person who is…

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

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Problem 1SRQ

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Which of the following factors would NOT increase the rate of diffusion of oxygen through the respiratory membrane? A) Increasing the SA/V ratio B) Increasing the partial pressures C) Decreasing the surface area D) Decreasing the thickness of the membrane E) Decreasing the distance the gas has to diffuse
42. A healthy 35-year-old woman is breathing room air while standing. Which of the following best explains why alveoli at the top of the lungs have a higher Po, than alveoli at the of the lungs in this woman?A) Higher perfusion per unit lung volumeB) Higher ratio of ventilation to perfusionC) Higher ventilation per unit lung volumeD) Lower perfusion per unit lung volumeE) Lower ratio of ventilation to perfusionF) Lower ventilation per unit lung volume
Which of the following statements about the removal of inhaled dust from the respiratory system is FALSE? a) Particles that reach the alveoli are engulfed by macrophages O b) The epiglottis helps to protect the laryngeal inlet from small dust particles O) Goblet cells in bronchial walls secrete mucus which traps particles d) Larger particles are filtered out by nasal hairs
Given the following values: ERV=1700mL ERV+TAV= 2200 mL VC= 3000 mL 1) Calculate TAV and IRV. 2) If they have a breathing rate of 14 breaths/min, what is their minute ventilation? 3) If they have the normal dead space ventilation of 150 mL, what is their alveolar ventilation? (show dead space volume as part of the calculation). 4) If they start exercising and increase their breath volume to 1600 mL with 25 breaths per minute, what is their alveolar ventilation now?
93. In a healthy person who is standing, which of the following best characterizes findings in the apical regions of the lungs if compared with the basal regions? Compliance Alveolar PO, O A) O B) O C) OD) O E) Ventilation/Perfusion Ratio No change No change no change ↑ no change no change no change ↑
Which of the following is a normal characteristic of the respiratory membrane? A) The thickness of the respiratory membrane is not important in the efficiency of gas exchange. B) 0.5 to 1 micrometer thick c) at least 3 micrometer thick
Indicate whether the changes in respiratory volumes or capacities described are observed A) during an acute asthma attack, B) in emphysema C) both during an acute asthma attack and in emphysema, or D) not during an acute asthma attack or in emphysema. Note that the acute asthma attack is in a person not taking ventolin (ie no inhaler). Decrease in total lung capacity Increase in residual volume Decrease in FEV1 (forced expiratory volume in one second) Decrease in tidal volume Decrease in expiratory reserve volume
As a pharmacist or dispenserwhat are the areas that you would particularly check in your prescription.?
Describe the continuous positive airway pressure (CPAP)?
3) What limitations are there to ventilating with a) a mask, and b) an artifical airway?
20 The graph shows the pressure-volume relationship of the lung (solid curve) and the chest wall (dashed curve). Which of the following letters indicates functional residual capacity? A) B) 100 80 60- U 40 20-A Volume (% of total lung capacity) D C) F G E -30-20-10 O 10 Pressure (cm H₂O) D) RV 20 30 40 E) F) G)
In inhalation, which pressure should be LOWER?a.) pressure in the lungsb.) atmospheric pressurec.) the pressure should be the same

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75. In a healthy person who is standing, which of the following best characterizes findings in the apical regions of the lungs if compared with the basal regions? Ventilation/Perfusion Ratio Compliance Alveolar PO₂ A) B) C) D) E) 1 No change No change no change no change no change no change