Question 1

In order for an oxygen molecule to enter the blood from the lungs it must first cross the ____. ​

Accepted Answer

A) hemoglobin ​ 
B) red blood cell membrane 
C) capillary endothelium 
D) fluid basement membrane 
E) alveolar epithelium ​ 
A) hemoglobin ​ 
B) red blood cell membrane 
C) capillary endothelium 
D) fluid basement membrane 
E) alveolar epithelium ​

Question 2

The ____________________ are the dead end sacs involved in gas exchange. ​

Accepted Answer

The answer of The ____________________ are the dead end sacs...

Question 3

The epithelium across which gases exchange is the ____. ​

Accepted Answer

A) visceral membrane 
B) gas interface 
C) partial pressure membrane 
D) respiratory surface 
E) cardio-respiratory interface ​ 
A) visceral membrane 
B) gas interface 
C) partial pressure membrane 
D) respiratory surface 
E) cardio-respiratory interface ​

Question 4

An interruption in the normal breathing cycle at night is classified as ____________________. ​

Accepted Answer

The answer of An interruption in the normal breathing cycle...

Question 5

The amount of air that can be inspired after a normal inhalation is the ____. ​

Accepted Answer

A) respiratory reserve volume 
B) respiratory rate 
C) vital capacity ​ 
D) tidal volume 
E) inspiratory reserve volume ​ 
A) respiratory reserve volume 
B) respiratory rate 
C) vital capacity ​ 
D) tidal volume 
E) inspiratory reserve volume ​

Question 6

Which organ is very sensitive to the increases in blood nitrogen gas during deep water dives?

Accepted Answer

A) heart 
B) brain 
C) lungs 
D) kidney 
E) muscles ​ 
A) heart 
B) brain 
C) lungs 
D) kidney 
E) muscles ​

Question 7

Because of hemoglobin, blood is able to carry how many more times oxygen? ​

Accepted Answer

A) 30 
B) 40 
C) 50 
D) 60 
E) 70 ​ 
A) 30 
B) 40 
C) 50 
D) 60 
E) 70 ​

Question 8

The acidic nature of the fluid around active tissue is the result of ____. ​

Accepted Answer

A) falling levels of oxygen 
B) falling DPG levels 
C) rising levels of carbon dioxide 
D) increased iron concentration 
E) increased blood pressure ​ 
A) falling levels of oxygen 
B) falling DPG levels 
C) rising levels of carbon dioxide 
D) increased iron concentration 
E) increased blood pressure ​

Question 9

You take a deep breath and then take a maximal exhale. The amount of air leaving your lungs is the ____. ​

Accepted Answer

A) respiratory reserve volume 
B) respiratory rate 
C) vital capacity 
D) tidal volume 
E) inspiratory reserve volume ​ 
A) respiratory reserve volume 
B) respiratory rate 
C) vital capacity 
D) tidal volume 
E) inspiratory reserve volume ​

Question 10

The majority of carbon dioxide carried in the blood is found in which form? ​

Accepted Answer

A) dissolved in plasma 
B) bound to hemoglobin 
C) converted to bicarbonate 
D) converted to oxygen 
E) bound to the respiratory membrane ​ 
A) dissolved in plasma 
B) bound to hemoglobin 
C) converted to bicarbonate 
D) converted to oxygen 
E) bound to the respiratory membrane ​

Question 11

The major site of gas exchange in the lungs is/are the ____. ​

Accepted Answer

A) bronchi 
B) bronchioles 
C) larynx 
D) alveoli 
E) respiratory bronchioles ​ 
A) bronchi 
B) bronchioles 
C) larynx 
D) alveoli 
E) respiratory bronchioles ​

Question 12

The major determinant of the amount of oxyhemoglobin formed in the lungs is ____. ​

Accepted Answer

A) partial pressure of oxygen 
B) acidity 
C) temperature 
D) iron concentration 
E) blood pressure ​ 
A) partial pressure of oxygen 
B) acidity 
C) temperature 
D) iron concentration 
E) blood pressure ​

Question 13

Which type of lung cancer is the most aggressive form? ​

Accepted Answer

A) beta cell carcinoma 
B) squamous cell carcinoma 
C) large-cell carcinoma 
D) adenocarcinoma 
E) small-cell carcinoma ​ 
A) beta cell carcinoma 
B) squamous cell carcinoma 
C) large-cell carcinoma 
D) adenocarcinoma 
E) small-cell carcinoma ​

Question 14

If too little carbon dioxide is moving out of the lungs, ____. ​

Accepted Answer

A) the blood pH will rise 
B) oxygen levels will rise 
C) bronchioles will relax 
D) blood vessels will relax 
E) respiratory activity will decrease ​ 
A) the blood pH will rise 
B) oxygen levels will rise 
C) bronchioles will relax 
D) blood vessels will relax 
E) respiratory activity will decrease ​

Question 15

The negative pressure gradient that contributes to the respiratory cycle ____. ​

Accepted Answer

A) occurs only during expiration 
B) exists in the pleural cavity 
C) means that the inside of the lungs has a greater pressure pleural sac 
D) keeps the lungs separated from the chest wall 
E) is known as a pneumothorax ​ 
A) occurs only during expiration 
B) exists in the pleural cavity 
C) means that the inside of the lungs has a greater pressure pleural sac 
D) keeps the lungs separated from the chest wall 
E) is known as a pneumothorax ​

Question 16

The amount of air left in the lungs at the end of a maximal exhalation is the ____________________. ​

Accepted Answer

The answer of The amount of air left in the...

Question 17

The loss of ____________________ tissue in the lungs is the underlying pathology of emphysema. ​

Accepted Answer

The answer of The loss of ____________________ tissue in the...

Question 18

Which disorder is classified a COPD? ​

Accepted Answer

A) emphysema 
B) asthma 
C) lung cancer 
D) high blood pressure 
E) apnea ​ 
A) emphysema 
B) asthma 
C) lung cancer 
D) high blood pressure 
E) apnea ​

Question 19

At sea level, what percentage of the air we breathe is oxygen? ​

Accepted Answer

A) 21% 
B) 30% 
C) 50% 
D) 79% 
E) 100% ​ 
A) 21% 
B) 30% 
C) 50% 
D) 79% 
E) 100% ​

Question 20

Match between columns
                        Premises: phrenic nerve is inactive 
an active process 
intra-alveolar pressure of 764 mm Hg 
made more difficult in emphysema 
intra-alveolar pressure decreases 
made more difficult in asthma 
depends upon the elastic recoil of the lungs 
lung volume increases 
rib cage elevated 
diaphragm relaxes

Accepted Answer

The Answer of expiration  and inspiration is...

Exam 10: The Respiratory System

In order for an oxygen molecule to enter the blood from the lungs it must first cross the ____. ​

The ____________________ are the dead end sacs involved in gas exchange. ​

The epithelium across which gases exchange is the ____. ​

An interruption in the normal breathing cycle at night is classified as ____________________. ​

The amount of air that can be inspired after a normal inhalation is the ____. ​

Which organ is very sensitive to the increases in blood nitrogen gas during deep water dives?

Because of hemoglobin, blood is able to carry how many more times oxygen? ​

The acidic nature of the fluid around active tissue is the result of ____. ​

You take a deep breath and then take a maximal exhale. The amount of air leaving your lungs is the ____. ​

The majority of carbon dioxide carried in the blood is found in which form? ​

The major site of gas exchange in the lungs is/are the ____. ​

The major determinant of the amount of oxyhemoglobin formed in the lungs is ____. ​

Which type of lung cancer is the most aggressive form? ​

If too little carbon dioxide is moving out of the lungs, ____. ​

The negative pressure gradient that contributes to the respiratory cycle ____. ​

The amount of air left in the lungs at the end of a maximal exhalation is the ____________________. ​

The loss of ____________________ tissue in the lungs is the underlying pathology of emphysema. ​

Which disorder is classified a COPD? ​

At sea level, what percentage of the air we breathe is oxygen? ​

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

Filters

In order for an oxygen molecule to enter the blood from the lungs it must first cross the ____.

The ____________________ are the dead end sacs involved in gas exchange.

The epithelium across which gases exchange is the ____.

An interruption in the normal breathing cycle at night is classified as ____________________.

The amount of air that can be inspired after a normal inhalation is the ____.

Because of hemoglobin, blood is able to carry how many more times oxygen?

The acidic nature of the fluid around active tissue is the result of ____.

You take a deep breath and then take a maximal exhale. The amount of air leaving your lungs is the ____.

The majority of carbon dioxide carried in the blood is found in which form?

The major site of gas exchange in the lungs is/are the ____.

The major determinant of the amount of oxyhemoglobin formed in the lungs is ____.

Which type of lung cancer is the most aggressive form?

If too little carbon dioxide is moving out of the lungs, ____.

The negative pressure gradient that contributes to the respiratory cycle ____.

The amount of air left in the lungs at the end of a maximal exhalation is the ____________________.

The loss of ____________________ tissue in the lungs is the underlying pathology of emphysema.

Which disorder is classified a COPD?

At sea level, what percentage of the air we breathe is oxygen?