Question 1

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

Accepted Answer

A) True 
 B)False  False

Question 2

An increase in airway resistance and an increase in alveolar surface tension both increase the work of breathing.

Accepted Answer

A) True 
 B)False  True

Question 3

How are respiratory events regulated?

Accepted Answer

Answers will vary.

Question 4

The ____________________ is the maximum volume of air that can be inspired at the end of a normal quiet expiration.

Accepted Answer

inspirator

Question 5

The pneumotaxic and apneustic centres are located in the cerebellum.

Accepted Answer

A) True 
 B)False

Question 6

Which statement is the INCORRECT statement about haemoglobin?

Accepted Answer

A)  It combines with oxygen at the lungs. 
B)  It contains iron. 
C)  It forms an irreversible association with oxygen. 
D)  It is located inside the red blood cell. 
A)  It combines with oxygen at the lungs. 
B)  It contains iron. 
C)  It forms an irreversible association with oxygen. 
D)  It is located inside the red blood cell.

Question 7

What will NOT result in lower oxygen saturation of haemoglobin?

Accepted Answer

A)  an increase in PO2 
B)  an increase in temperature 
C)  an increase in PCO2 
D)  an increase in acidity 
A)  an increase in PO2 
B)  an increase in temperature 
C)  an increase in PCO2 
D)  an increase in acidity

Question 8

MATCHING
Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all):
-maximum volume of air that the lungs can hold

Accepted Answer

A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume 
A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume

Question 9

The ____________________ is a double-walled,closed sac that separates each lung from the thoracic wall and other surrounding structures.

Accepted Answer

The answer of The ____________________ is a double-walled,closed sac that...

Question 10

The ____________________ nerve supplies the diaphragm.

Accepted Answer

The answer of The ____________________ nerve supplies the diaphragm....

Question 11

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

Accepted Answer

The answer of ____________________ refers to a ventilation rate that...

Question 12

If the pulmonary ventilation rate is 3200 mL/minute with a tidal volume of 400,what is the respiratory rate per minute?

Accepted Answer

A)  6 breaths 
B)  8 breaths 
C)  14 breaths 
D)  16 breaths 
A)  6 breaths 
B)  8 breaths 
C)  14 breaths 
D)  16 breaths

Question 13

Which of the following is NOT true for PO₂ in the blood?

Accepted Answer

A)  It refers to the pressure exerted by the amount of oxygen in the atmosphere. 
B)  It is the most important factor determining the percent saturation of haemoglobin. 
C)  It is normal in carbon monoxide poisoning. 
A)  It refers to the pressure exerted by the amount of oxygen in the atmosphere. 
B)  It is the most important factor determining the percent saturation of haemoglobin. 
C)  It is normal in carbon monoxide poisoning.

Question 14

What is the location of the brain region that provides output to the respiratory muscles?

Accepted Answer

A)  pons 
B)  medulla 
C)  cerebral cortex 
D)  hypothalamus 
A)  pons 
B)  medulla 
C)  cerebral cortex 
D)  hypothalamus

Question 15

What is the term for the minimum volume of air that remains in the lungs after a maximal expiration?

Accepted Answer

A)  tidal volume 
B)  functional residual capacity 
C)  residual volume 
D)  vital capacity 
A)  tidal volume 
B)  functional residual capacity 
C)  residual volume 
D)  vital capacity

Question 16

Which activity below is NOT a respiratory event?

Accepted Answer

A)  Carbon dioxide is exchanged in the alveoli. 
B)  Cells produce nitrogen by their metabolism. 
C)  Gas exchange occurs between tissues and the blood. 
D)  Oxygen is exchanged in the alveoli. 
A)  Carbon dioxide is exchanged in the alveoli. 
B)  Cells produce nitrogen by their metabolism. 
C)  Gas exchange occurs between tissues and the blood. 
D)  Oxygen is exchanged in the alveoli.

Question 17

The vocal folds are found in the ____________________ among the respiratory passages.

Accepted Answer

The answer of The vocal folds are found in the...

Question 18

Describe the mechanics of ventilation.

Accepted Answer

The answer of Describe the mechanics of ventilation....

Question 19

If the vital capacity of a person is 4800 mL,while the TV is 500 mL and the ERV is 900 mL,the IRV is ____________________ mL.

Accepted Answer

The answer of If the vital capacity of a person...

Question 20

Air flow through the smaller bronchioles can be adjusted by varying the contractile activity of the smooth muscle within their walls.

Accepted Answer

A) True 
 B)False

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

An increase in airway resistance and an increase in alveolar surface tension both increase the work of breathing.

How are respiratory events regulated?

The ____________________ is the maximum volume of air that can be inspired at the end of a normal quiet expiration.

The pneumotaxic and apneustic centres are located in the cerebellum.

Which statement is the INCORRECT statement about haemoglobin?

What will NOT result in lower oxygen saturation of haemoglobin?

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -maximum volume of air that the lungs can hold

The ____________________ is a double-walled,closed sac that separates each lung from the thoracic wall and other surrounding structures.

The ____________________ nerve supplies the diaphragm.

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

If the pulmonary ventilation rate is 3200 mL/minute with a tidal volume of 400,what is the respiratory rate per minute?

Which of the following is NOT true for PO₂ in the blood?

What is the location of the brain region that provides output to the respiratory muscles?

What is the term for the minimum volume of air that remains in the lungs after a maximal expiration?

Which activity below is NOT a respiratory event?

The vocal folds are found in the ____________________ among the respiratory passages.

Describe the mechanics of ventilation.

If the vital capacity of a person is 4800 mL,while the TV is 500 mL and the ERV is 900 mL,the IRV is ____________________ mL.

Air flow through the smaller bronchioles can be adjusted by varying the contractile activity of the smooth muscle within their walls.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

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Exam 11: The Respiratory System

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

An increase in airway resistance and an increase in alveolar surface tension both increase the work of breathing.

How are respiratory events regulated?

The ____________________ is the maximum volume of air that can be inspired at the end of a normal quiet expiration.

The pneumotaxic and apneustic centres are located in the cerebellum.

Which statement is the INCORRECT statement about haemoglobin?

What will NOT result in lower oxygen saturation of haemoglobin?

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -maximum volume of air that the lungs can hold

The ____________________ is a double-walled,closed sac that separates each lung from the thoracic wall and other surrounding structures.

The ____________________ nerve supplies the diaphragm.

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

If the pulmonary ventilation rate is 3200 mL/minute with a tidal volume of 400,what is the respiratory rate per minute?

Which of the following is NOT true for PO₂ in the blood?

What is the location of the brain region that provides output to the respiratory muscles?

What is the term for the minimum volume of air that remains in the lungs after a maximal expiration?

Which activity below is NOT a respiratory event?

The vocal folds are found in the ____________________ among the respiratory passages.

Describe the mechanics of ventilation.

If the vital capacity of a person is 4800 mL,while the TV is 500 mL and the ERV is 900 mL,the IRV is ____________________ mL.

Air flow through the smaller bronchioles can be adjusted by varying the contractile activity of the smooth muscle within their walls.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters