#1
Which of the following is not a function of the respiratory system?
Production of hormones
ExplanationRespiratory system does not produce hormones.
#2
What is the term for the volume of air inspired or expired in a normal breath?
Tidal volume
ExplanationTidal volume is the volume of air in a normal breath.
#3
Which of the following is a function of the nasal cavity in the respiratory system?
Filtering air
ExplanationThe nasal cavity filters air in the respiratory system.
#4
Which of the following is a structure that helps trap and remove particles from the air before it enters the lungs?
Mucociliary escalator
ExplanationThe mucociliary escalator traps and removes particles from the air before entering the lungs.
#5
What happens to lung function as a result of aging?
Oxygen absorption efficiency decreases
ExplanationAging leads to decreased efficiency in oxygen absorption.
#6
Which of the following is a common respiratory issue in older adults?
Chronic obstructive pulmonary disease (COPD)
ExplanationCOPD is a common respiratory issue in older adults.
#7
Which of the following structures is responsible for producing sound in humans?
Larynx
ExplanationThe larynx is responsible for producing sound in humans.
#8
What is the role of surfactant in the lungs?
To decrease surface tension and prevent alveolar collapse
ExplanationSurfactant decreases surface tension and prevents alveolar collapse.
#9
How does aging affect the respiratory system's ability to defend against infections?
It becomes less effective
ExplanationAging weakens the respiratory system's defense against infections.
#10
Which of the following statements about the aging process and the respiratory system is true?
The number of cilia in the respiratory tract decreases
ExplanationAging leads to a decrease in the number of cilia in the respiratory tract.
#11
Which of the following is a risk factor for respiratory issues in older adults?
Exposure to air pollution
ExplanationExposure to air pollution is a risk factor for respiratory issues in older adults.
#12
How does aging affect the cough reflex?
It becomes less sensitive
ExplanationAging reduces the sensitivity of the cough reflex.