Ch. 32 Structure and Function of the Pulmonary System Flashcards Preview

Patho Test 2 Evolve/Elsevier > Ch. 32 Structure and Function of the Pulmonary System > Flashcards

Flashcards in Ch. 32 Structure and Function of the Pulmonary System Deck (10)
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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