Ch. 32 Structure and Function of the Pulmonary System Flashcards
1
Q
Which of the following is NOT a step in the process of gas exchange? Ventilation Pressure Diffusion Perfusion
A
Pressure
2
Q
Which of the following is TRUE regarding the pulmonary system?
The left lobe is divided into three lobes.
Each lobe is divided into bronchi.
The mediastinum contains the lungs and heart.
The larynx connects the upper and lower airways.
A
The larynx connects the upper and lower airways
3
Q
Which of the following is a structure of the upper airway? Trachea Nasopharynx Larynx Bronchi
A
Nasopharynx
4
Q
Which of the following is a TRUE statement regarding the lower airways?
The trachea bifurcates at the larynx.
The trachea has no supportive structure.
The right and left main bronchi enter the lungs at the hila.
The goblet cells are air-filled cells.
A
The right and left main bronchi enter the lungs at the hila
5
Q
Which of the following structures is NOT considered part of the acinus? Trachea Respiratory bronchioles Alveolar ducts Alveoli
A
Trachea
6
Q
What is the process of exchange of carbon dioxide for oxygen called? Ventilation Respiration Circulation Alveolar ventilation
A
Respiration
7
Q
Which of the following receptors monitor pH, PaCO2, and PaO2 of arterial blood? Stretch receptors Irritant receptor J-receptors Central chemoreceptors
A
Central chemoreceptors
8
Q
Which of the following is NOT a major or accessory muscle of respiration? Sternocleidomastoid Trapezius External intercostal Diaphragm
A
Trapezius
9
Q
A person has a history of emphysema and has hyperinflated lungs. Which of the following would be a TRUE regarding this person? Increased airway resistance Increased compliance Decreased surfactant Increased elastic recoil
A
Increased compliance
10
Q
An older adult presents with difficulty in breathing. Which of the following is NOT considered a normal alteration with aging? Relaxation of chest wall muscles Increased resistance Alterations in gas exchange Loss of recoil
A
Relaxation of chest wall muscles
