Question 1

What does expiratory reserve volume (ERV)measure?

Accepted Answer

A) Volume of air that can be maximally inhaled at the end of tidal inspiration 
B) Volume of air inspired and expired during a single, normal breath 
C) Volume of air that can be maximally exhaled at the end of tidal expiration 
D) Volume of air that remains in the lungs at the end of maximal expiration 
A) Volume of air that can be maximally inhaled at the end of tidal inspiration 
B) Volume of air inspired and expired during a single, normal breath 
C) Volume of air that can be maximally exhaled at the end of tidal expiration 
D) Volume of air that remains in the lungs at the end of maximal expiration C

Question 2

What does tidal volume (TV)measure?

Accepted Answer

A) Volume of air that can be maximally inhaled at the end of tidal inspiration 
B) Volume of air that remains in the lungs at the end of maximal expiration 
C) Volume of air inspired and expired during a single, normal breath 
D) Volume of air that can be maximally exhaled at the end of tidal expiration 
A) Volume of air that can be maximally inhaled at the end of tidal inspiration 
B) Volume of air that remains in the lungs at the end of maximal expiration 
C) Volume of air inspired and expired during a single, normal breath 
D) Volume of air that can be maximally exhaled at the end of tidal expiration C

Question 3

How does age affect lung capacity?

Accepted Answer

A) Lungs lose elasticity with age, reducing lung volume. 
B) Lung capacity increases with age, increasing lung volume. 
C) Lung strength decreases with age, increasing capacity. 
D) Lung capacity is inversely proportional to age. 
A) Lungs lose elasticity with age, reducing lung volume. 
B) Lung capacity increases with age, increasing lung volume. 
C) Lung strength decreases with age, increasing capacity. 
D) Lung capacity is inversely proportional to age. A

Question 4

Which should be used to model the lung's action with pulmonary ventilation?

Accepted Answer

A) A sheep pluck 
B) Modeling clay 
C) A bell jar 
D) A balloon 
A) A sheep pluck 
B) Modeling clay 
C) A bell jar 
D) A balloon

Question 5

What happens to the blood's pH as blood CO2 levels fall?

Accepted Answer

A) pH becomes more acidic. 
B) Bicarbonate ions absorb the hydrogen ions. 
C) pH increases. 
D) pH decreases. 
A) pH becomes more acidic. 
B) Bicarbonate ions absorb the hydrogen ions. 
C) pH increases. 
D) pH decreases.

Question 6

Consider the following respiratory variables: MRV of 7000 mL, RR of 14, VC of 3500 mL, and an IRV of 1800 mL. Calculate the ERV.

Accepted Answer

A) 1200 mL 
B) 2200 mL 
C) 800 mL 
D) 1100 mL 
A) 1200 mL 
B) 2200 mL 
C) 800 mL 
D) 1100 mL

Question 7

Which lung volume increases after strenuous exercise?

Accepted Answer

A) Tidal volume (TV) 
B) Inspiratory reserve volume (IRV) 
C) Residual volume (RV) 
D) Expiratory reserve volume (ERV) 
A) Tidal volume (TV) 
B) Inspiratory reserve volume (IRV) 
C) Residual volume (RV) 
D) Expiratory reserve volume (ERV)

Question 8

-Identify the lung volume or capacity labeled "e."

Accepted Answer

A) Inspiratory capacity 
B) Total lung capacity 
C) Vital capacity 
D) Functional residual capacity 
A) Inspiratory capacity 
B) Total lung capacity 
C) Vital capacity 
D) Functional residual capacity

Question 9

How is blood pH altered by blood carbon dioxide levels?

Accepted Answer

A) As blood CO2 goes up, hydrogen ion concentration increases, and pH will go down. 
B) As blood CO2 goes up, hydrogen ion concentration increases, and bicarbonate ions increase. 
C) As blood CO2 goes down, hydrogen ion concentration increases, and pH will go up. 
D) As blood CO2 goes down, hydrogen ion concentrations decrease the pH by increasing bicarbonate ions. 
A) As blood CO2 goes up, hydrogen ion concentration increases, and pH will go down. 
B) As blood CO2 goes up, hydrogen ion concentration increases, and bicarbonate ions increase. 
C) As blood CO2 goes down, hydrogen ion concentration increases, and pH will go up. 
D) As blood CO2 goes down, hydrogen ion concentrations decrease the pH by increasing bicarbonate ions.

Question 10

How does the pressure of gas in a closed container compare to the volume of the container?

Accepted Answer

A) It is constant. 
B) It is directly proportional. 
C) It is inversely proportional. 
D) It is logarithmic. 
A) It is constant. 
B) It is directly proportional. 
C) It is inversely proportional. 
D) It is logarithmic.

Question 11

Which formula describes inspiratory lung capacity?

Accepted Answer

A) TV + IRV 
B) TV + IRV + ERV 
C) ERV + RV 
D) TV + IRV + ERV + RV 
A) TV + IRV 
B) TV + IRV + ERV 
C) ERV + RV 
D) TV + IRV + ERV + RV

Question 12

What happens as a result of a pneumothorax?

Accepted Answer

A) Lungs inflate. 
B) Lungs collapse. 
C) Lungs exhale. 
D) Lungs rotate. 
A) Lungs inflate. 
B) Lungs collapse. 
C) Lungs exhale. 
D) Lungs rotate.

Question 13

How will breathing rate change with hyperventilation?

Accepted Answer

A) Breathing rate decreases. 
B) Breathing rate decreases and becomes shallow. 
C) Breathing rate fluctuates between rapid and slow. 
D) Breathing rate becomes rapid. 
A) Breathing rate decreases. 
B) Breathing rate decreases and becomes shallow. 
C) Breathing rate fluctuates between rapid and slow. 
D) Breathing rate becomes rapid.

Question 14

When someone hyperventilates, what is happening with his or her carbon dioxide?

Accepted Answer

A) Carbon dioxide is exhaled more rapidly, decreasing blood CO2 levels. 
B) Carbon dioxide in conserved in the blood as oxygen is refreshed in the lungs. 
C) Carbon dioxide is exhaled more rapidly; blood CO2 levels remain constant or slightly increase. 
D) Carbon dioxide is unaffected; rather, blood oxygen levels are increased. 
A) Carbon dioxide is exhaled more rapidly, decreasing blood CO2 levels. 
B) Carbon dioxide in conserved in the blood as oxygen is refreshed in the lungs. 
C) Carbon dioxide is exhaled more rapidly; blood CO2 levels remain constant or slightly increase. 
D) Carbon dioxide is unaffected; rather, blood oxygen levels are increased.

Question 15

Calculate the predicted vital capacity for a 56-year-old-male who is 188 cm in height.

Accepted Answer

A) 4)015 L 
B) 542.624 L 
C) 240.43 L 
D) 2)876 L 
A) 4)015 L 
B) 542.624 L 
C) 240.43 L 
D) 2)876 L

Question 16

Where are the important respiratory control centers located?

Accepted Answer

A) Medulla oblongata 
B) Thalamus 
C) Cerebellum 
D) Midbrain 
A) Medulla oblongata 
B) Thalamus 
C) Cerebellum 
D) Midbrain

Question 17

Calculate the minute respiratory volume for an individual with a tidal volume of 550 mL and a ventilation rate of 13 breaths per minute.

Accepted Answer

A) 7150 mL 
B) 71.5 L 
C) 429 L 
D) 33 L 
A) 7150 mL 
B) 71.5 L 
C) 429 L 
D) 33 L

Question 18

How would respiratory volume measurements change after strenuous exercise?

Accepted Answer

A) Total lung capacity (TL
C) would increase. 
B) Tidal volume (TV)increases. 
C) Residual volume (RV)increases. 
D) Expiratory reserve volume (ERV)would increase. 
A) Total lung capacity (TL
C) would increase. 
B) Tidal volume (TV)increases. 
C) Residual volume (RV)increases. 
D) Expiratory reserve volume (ERV)would increase.

Question 19

What happens to blood H+ levels as blood CO2 levels rise?

Accepted Answer

A) Hydrogen ion levels decrease. 
B) Blood becomes more alkaline. 
C) Hydrogen ion levels increase. 
D) Bicarbonate ions absorb the hydrogen ions. 
A) Hydrogen ion levels decrease. 
B) Blood becomes more alkaline. 
C) Hydrogen ion levels increase. 
D) Bicarbonate ions absorb the hydrogen ions.

Question 20

Which component of the bell jar lung model corresponds to the human lungs?

Accepted Answer

A) Rubber covering on the base 
B) Vertical tubing 
C) Glass walls 
D) Balloons 
A) Rubber covering on the base 
B) Vertical tubing 
C) Glass walls 
D) Balloons

Exam 26: Physiology of the Respiratory System

What does expiratory reserve volume (ERV)measure?

What does tidal volume (TV)measure?

How does age affect lung capacity?

Which should be used to model the lung's action with pulmonary ventilation?

What happens to the blood's pH as blood CO2 levels fall?

Consider the following respiratory variables: MRV of 7000 mL, RR of 14, VC of 3500 mL, and an IRV of 1800 mL. Calculate the ERV.

Which lung volume increases after strenuous exercise?

-Identify the lung volume or capacity labeled "e."

How is blood pH altered by blood carbon dioxide levels?

How does the pressure of gas in a closed container compare to the volume of the container?

Which formula describes inspiratory lung capacity?

What happens as a result of a pneumothorax?

How will breathing rate change with hyperventilation?

When someone hyperventilates, what is happening with his or her carbon dioxide?

Calculate the predicted vital capacity for a 56-year-old-male who is 188 cm in height.

Where are the important respiratory control centers located?

Calculate the minute respiratory volume for an individual with a tidal volume of 550 mL and a ventilation rate of 13 breaths per minute.

How would respiratory volume measurements change after strenuous exercise?

What happens to blood H+ levels as blood CO2 levels rise?

Which component of the bell jar lung model corresponds to the human lungs?

Introduction to Anatomy and Physiology

Introduction to the Organ Systems

Chemistry

The Microscope

The Cell

Histology

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Joints

Introduction to the Muscular System: Muscle Tissue

Gross Anatomy of the Muscular System

Introduction to the Nervous System

The Central Nervous System: Brain and Spinal Cord

The Peripheral Nervous System: Nerves and Autonomic Nervous System

General and Special Senses

The Endocrine System

Blood

Anatomy of the Heart

Physiology of the Heart

Anatomy of Blood Vessels

Circulatory Pathways and the Physiology of Blood Vessels

The Lymphatic System

Anatomy of the Respiratory System

Anatomy of the Digestive System

Physiology of the Digestive System

Anatomy of the Urinary System

Physiology of the Urinary System

Reproductive and Development

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