Question 1

The respiratory system provides a route for water and heat elimination.

Accepted Answer

A) True 
 B)False

Question 2

Which force does NOT contribute to keeping the alveoli open?

Accepted Answer

A)  alveolar surface tension 
B)  transmural pressure gradient 
C)  pulmonary surfactant 
D)  alveolar interdependence 
A)  alveolar surface tension 
B)  transmural pressure gradient 
C)  pulmonary surfactant 
D)  alveolar interdependence

Question 3

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

Accepted Answer

The answer of An increase of ____________________ ions in the...

Question 4

What factor in the arterial blood has the largest effect on increasing the rate of respiration?

Accepted Answer

A)  The hydrogen ion concentration in the kidney ECF increases. 
B)  The hydrogen ion concentration in the ECF generally increases. 
C)  The partial pressure of carbon increases. 
D)  The partial pressure of oxygen drops to 90. 
A)  The hydrogen ion concentration in the kidney ECF increases. 
B)  The hydrogen ion concentration in the ECF generally increases. 
C)  The partial pressure of carbon increases. 
D)  The partial pressure of oxygen drops to 90.

Question 5

The combination of Hb and CO₂ is known as carbaminohaemoglobin.

Accepted Answer

A) True 
 B)False

Question 6

If a person is breathing rapidly,it is safe to assume that he or she is getting adequate ventilation.

Accepted Answer

A) True 
 B)False

Question 7

As the resistance of the air passages increases,the airflow through them ____________________ if the pressure gradient remains constant.

Accepted Answer

The answer of As the resistance of the air passages...

Question 8

Indicate which type of hypoxia would be present in each of the circumstances listed below by using the answer code (options may be used more than once or not at all):
-congestive heart failure

Accepted Answer

A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia 
A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia

Question 9

Without pulmonary surfactant,what would happen?

Accepted Answer

A)  Small alveoli would tend to collapse. 
B)  Larger alveoli would tend to empty into smaller alveoli. 
C)  All alveoli would be easier to inflate. 
D)  The surface tension in the alveoli would be reduced. 
A)  Small alveoli would tend to collapse. 
B)  Larger alveoli would tend to empty into smaller alveoli. 
C)  All alveoli would be easier to inflate. 
D)  The surface tension in the alveoli would be reduced.

Question 10

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):
-respiratory rate × tidal volume

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 11

Which statement is NOT true as to why inspiratory events occur?

Accepted Answer

A)  The air pressure in the alveoli is greater than that of the atmosphere. 
B)  The air pressure in the alveoli is less than that of the atmosphere. 
C)  The volume of the thoracic cavity increases. 
A)  The air pressure in the alveoli is greater than that of the atmosphere. 
B)  The air pressure in the alveoli is less than that of the atmosphere. 
C)  The volume of the thoracic cavity increases.

Question 12

A person has a tidal volume of 400 mL/breath,a respiratory rate of 14 breaths/minute,and an anatomic dead space volume of 120 mL.What is her pulmonary ventilation rate?

Accepted Answer

A)  3000 mL/minute. 
B)  3920 mL/minute. 
C)  4260 mL/minute. 
D)  5600 mL/minute. 
A)  3000 mL/minute. 
B)  3920 mL/minute. 
C)  4260 mL/minute. 
D)  5600 mL/minute.

Question 13

What happens when intra-alveolar pressure becomes greater than atmospheric pressure?

Accepted Answer

A)  Air will flow out of the lungs. 
B)  Air will flow into the lungs. 
C)  There will be no air flow. 
D)  The lung collapses. 
A)  Air will flow out of the lungs. 
B)  Air will flow into the lungs. 
C)  There will be no air flow. 
D)  The lung collapses.

Question 14

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Accepted Answer

The answer of The peripheral chemoreceptors are located in the...

Question 15

Which statement regarding the percent of haemoglobin saturation is correct?

Accepted Answer

A)  It decreases as PO2 increases. 
B)  It decreases as PCO2 increases. 
C)  It decreases as H+ decreases. 
D)  It decreases as body temperature decreases. 
A)  It decreases as PO2 increases. 
B)  It decreases as PCO2 increases. 
C)  It decreases as H+ decreases. 
D)  It decreases as body temperature decreases.

Question 16

The tidal volume is the sum of the vital capacity,expiratory reserve volume,and inspiratory reserve volume.

Accepted Answer

A) True 
 B)False

Question 17

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

Accepted Answer

The answer of ____________________ is a respiratory disease characterized by...

Question 18

____________________ is the inflammation of the pleural sac.

Accepted Answer

The answer of ____________________ is the inflammation of the pleural...

Question 19

Which of the following is NOT true for the plateau portion of the O₂-Hb curve?

Accepted Answer

A)  It is in the blood-PO2 range that exists at the pulmonary capillaries. 
B)  It means that haemoglobin becomes almost nearly saturated in the lungs unless the pulmonary capillary PO2 falls below 60 mmHg. 
C)  It is in the blood-PO2 range that exists at the systemic capillaries. 
A)  It is in the blood-PO2 range that exists at the pulmonary capillaries. 
B)  It means that haemoglobin becomes almost nearly saturated in the lungs unless the pulmonary capillary PO2 falls below 60 mmHg. 
C)  It is in the blood-PO2 range that exists at the systemic capillaries.

Question 20

Which structure serves as a common passageway for both the respiratory and digestive systems?

Accepted Answer

A)  Nose 
B)  Pharynx 
C)  Trachea 
D)  Esophagus 
A)  Nose 
B)  Pharynx 
C)  Trachea 
D)  Esophagus

The respiratory system provides a route for water and heat elimination.

Which force does NOT contribute to keeping the alveoli open?

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

What factor in the arterial blood has the largest effect on increasing the rate of respiration?

The combination of Hb and CO₂ is known as carbaminohaemoglobin.

If a person is breathing rapidly,it is safe to assume that he or she is getting adequate ventilation.

As the resistance of the air passages increases,the airflow through them ____________________ if the pressure gradient remains constant.

Indicate which type of hypoxia would be present in each of the circumstances listed below by using the answer code (options may be used more than once or not at all): -congestive heart failure

Without pulmonary surfactant,what would happen?

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): -respiratory rate × tidal volume

Which statement is NOT true as to why inspiratory events occur?

A person has a tidal volume of 400 mL/breath,a respiratory rate of 14 breaths/minute,and an anatomic dead space volume of 120 mL.What is her pulmonary ventilation rate?

What happens when intra-alveolar pressure becomes greater than atmospheric pressure?

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Which statement regarding the percent of haemoglobin saturation is correct?

The tidal volume is the sum of the vital capacity,expiratory reserve volume,and inspiratory reserve volume.

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

____________________ is the inflammation of the pleural sac.

Which of the following is NOT true for the plateau portion of the O₂-Hb curve?

Which structure serves as a common passageway for both the respiratory and digestive systems?

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

Exam 11: The Respiratory System

The respiratory system provides a route for water and heat elimination.

Which force does NOT contribute to keeping the alveoli open?

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

What factor in the arterial blood has the largest effect on increasing the rate of respiration?

The combination of Hb and CO₂ is known as carbaminohaemoglobin.

If a person is breathing rapidly,it is safe to assume that he or she is getting adequate ventilation.

As the resistance of the air passages increases,the airflow through them ____________________ if the pressure gradient remains constant.

Indicate which type of hypoxia would be present in each of the circumstances listed below by using the answer code (options may be used more than once or not at all): -congestive heart failure

Without pulmonary surfactant,what would happen?

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): -respiratory rate × tidal volume

Which statement is NOT true as to why inspiratory events occur?

A person has a tidal volume of 400 mL/breath,a respiratory rate of 14 breaths/minute,and an anatomic dead space volume of 120 mL.What is her pulmonary ventilation rate?

What happens when intra-alveolar pressure becomes greater than atmospheric pressure?

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Which statement regarding the percent of haemoglobin saturation is correct?

The tidal volume is the sum of the vital capacity,expiratory reserve volume,and inspiratory reserve volume.

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

____________________ is the inflammation of the pleural sac.

Which of the following is NOT true for the plateau portion of the O₂-Hb curve?

Which structure serves as a common passageway for both the respiratory and digestive systems?

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