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Test Bank For Respiratory Care Anatomy and Physiology, 3rd Edition Chapter 1-24 Author By Will Beachey 2024 Version $23.49
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Test Bank For Respiratory Care Anatomy and Physiology, 3rd Edition Chapter 1-24 Author By Will Beachey 2024 Version
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Chapter 4: Ventilation 1. The nurse is assessing a patient’s ventilation. Which finding indicates adequate ventilation? A) Decreased respiratory rate B) Abnormal lung sounds C) Normal arterial blood gases D) Use of accessory muscles Answer: C) Normal arterial blood gases Rationale: Normal...

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Test Bank For Respiratory Care Anatomy
and Physiology, 3rd Edition Chapter 1-24
Author :
By Will Beachey


@2024

,Chapter 1: The Airways and Alveoli


1. Which structure is responsible for the conduction of air to the lungs?
A) Alveoli
B) Bronchi
C) Pleura
D) Diaphragm
Answer: B) Bronchi
Rationale: The bronchi are the main air passages that direct air from the
trachea into the lungs.
NCLEX Reference: Understand the anatomy of the respiratory system
(NCLEX-RN Test Plan).
2. What is the primary function of the alveoli?
A) Produce mucus
B) Facilitate gas exchange
C) Warm and humidify air
D) Protect the respiratory tract
Answer: B) Facilitate gas exchange
Rationale: Alveoli are the site of gas exchange, where oxygen enters the
bloodstream, and carbon dioxide is removed.
NCLEX Reference: Gas exchange processes in the lungs (NCLEX-RN Test
Plan).
3. The nurse is assessing a patient with suspected obstructive sleep apnea.
Which airway structure is primarily affected?
A) Trachea
B) Bronchioles
C) Pharynx
D) Alveoli
Answer: C) Pharynx
Rationale: Obstructive sleep apnea often involves the pharynx, where
airway collapse occurs during sleep.
NCLEX Reference: Recognizing signs of sleep-disordered breathing
(NCLEX-RN Test Plan).
4. Which of the following structures is part of the upper airway?
A) Alveoli
B) Larynx
C) Bronchi
D) Pulmonary capillaries

, Answer: B) Larynx
Rationale: The larynx is part of the upper airway and is involved in voice
production and protecting the trachea against food aspiration.
NCLEX Reference: Anatomy of the upper airway (NCLEX-RN Test Plan).
5. What is the significance of the surfactant produced by the alveoli?
A) Increases surface tension
B) Aids in gas exchange
C) Prevents alveolar collapse
D) Facilitates mucus clearance
Answer: C) Prevents alveolar collapse
Rationale: Surfactant reduces surface tension in the alveoli, preventing their
collapse and aiding in efficient gas exchange.
NCLEX Reference: Importance of surfactant in respiratory function
(NCLEX-RN Test Plan).
6. Which respiratory structure is primarily involved in the defense against
pathogens and particulate matter?
A) Alveoli
B) Mucociliary escalator
C) Bronchioles
D) Diaphragm
Answer: B) Mucociliary escalator
Rationale: The mucociliary escalator is a defense mechanism that traps and
clears pathogens and debris from the airways.
NCLEX Reference: Respiratory defense mechanisms (NCLEX-RN Test
Plan).
7. During inspiration, which of the following changes occurs in the
thoracic cavity?
A) Decrease in volume
B) Increase in pressure
C) Increase in volume
D) No change in volume
Answer: C) Increase in volume
Rationale: During inspiration, the diaphragm contracts, increasing the
volume of the thoracic cavity and causing air to flow into the lungs.
NCLEX Reference: Mechanics of breathing (NCLEX-RN Test Plan).
8. A nurse is teaching a patient about the role of alveoli in the lungs.
Which statement by the patient indicates a need for further teaching?
A) "Alveoli help to exchange oxygen and carbon dioxide."
B) "There are millions of alveoli in my lungs."
C) "Alveoli produce mucus to trap particles."

, D) "Alveoli are small air sacs in the lungs."
Answer: C) "Alveoli produce mucus to trap particles."
Rationale: Alveoli do not produce mucus; that function is performed by
goblet cells in the airways.
NCLEX Reference: Understanding lung anatomy and function (NCLEX-
RN Test Plan).
9. Which part of the respiratory tract is primarily involved in phonation?
A) Trachea
B) Alveoli
C) Larynx
D) Bronchi
Answer: C) Larynx
Rationale: The larynx contains the vocal cords, which are essential for
producing sound.
NCLEX Reference: Anatomy of the larynx and its functions (NCLEX-RN
Test Plan).
10.What is the main driving force for airflow during expiration?
A) Diaphragm contraction
B) Elastic recoil of the lungs
C) Contraction of abdominal muscles
D) Atmospheric pressure
Answer: B) Elastic recoil of the lungs
Rationale: During expiration, the elastic recoil of the lungs helps push air
out of the lungs.
NCLEX Reference: Mechanics of ventilation (NCLEX-RN Test Plan).
11.The nurse is assessing a patient with a history of smoking. Which of the
following findings would be most concerning?
A) Chronic cough
B) Increased sputum production
C) Decreased breath sounds
D) Occasional wheezing
Answer: C) Decreased breath sounds
Rationale: Decreased breath sounds may indicate significant airway
obstruction or lung damage, warranting further evaluation.
NCLEX Reference: Assessing respiratory function in smokers (NCLEX-
RN Test Plan).
12.What role do the intercostal muscles play in respiration?
A) They contract to create negative pressure in the pleural cavity.
B) They assist in elevating and depressing the ribs during breathing.
C) They facilitate gas exchange in the alveoli.

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