Question 1

A collapsed lung occurs when the pressure in the ____. ​

Accepted Answer

A) atmosphere increases 
B) alveoli increases 
C) pleural cavity increases 
D) trachea increases 
E) bronchioles decreases ​ 
A) atmosphere increases 
B) alveoli increases 
C) pleural cavity increases 
D) trachea increases 
E) bronchioles decreases ​ C

Question 2

The ____________________ closes off the larynx during swallowing. ​

Accepted Answer

epiglottis

Question 3

In which disorder is the neural control of the breathing cycle disrupted? ​

Accepted Answer

A) emphysema 
B) asthma ​ 
C) lung cancer 
D) bronchitis 
E) apnea ​ 
A) emphysema 
B) asthma ​ 
C) lung cancer 
D) bronchitis 
E) apnea ​ E

Question 4

If atmospheric pressure is 760 mm Hg, what would you expect the pressure inside the lungs to be during a forceful expiration? ​

Accepted Answer

A) 0 mm Hg 
B) 750 mm Hg 
C) 756 mm Hg 
D) 760 mm Hg 
E) 764 mm Hg ​ 
A) 0 mm Hg 
B) 750 mm Hg 
C) 756 mm Hg 
D) 760 mm Hg 
E) 764 mm Hg ​

Question 5

When carbon dioxide levels in the blood rise the ____. ​

Accepted Answer

A) rate of breathing decreases 
B) depth of breathing decreases 
C) activity of the central chemoreceptors decreases ​ 
D) amount of oxygen in the blood rises 
E) pH of the CSF falls ​ 
A) rate of breathing decreases 
B) depth of breathing decreases 
C) activity of the central chemoreceptors decreases ​ 
D) amount of oxygen in the blood rises 
E) pH of the CSF falls ​

Question 6

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

Accepted Answer

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

Question 7

Before you inhale, the pressure inside your alveoli is ____. ​

Accepted Answer

A) 0 mm Hg 
B) greater than atmospheric pressure 
C) less than atmospheric pressure 
D) equal atmospheric pressure 
E) not yet connected to atmospheric pressure ​ 
A) 0 mm Hg 
B) greater than atmospheric pressure 
C) less than atmospheric pressure 
D) equal atmospheric pressure 
E) not yet connected to atmospheric pressure ​

Question 8

In which disorder is the elastic tissue of the lung destroyed making expiration extremely difficult? ​

Accepted Answer

A) emphysema 
B) asthma 
C) lung cancer 
D) bronchitis 
E) apnea ​ 
A) emphysema 
B) asthma 
C) lung cancer 
D) bronchitis 
E) apnea ​

Question 9

____________________ is a condition characterized by increased mucus secretions in the bronchioles. ​

Accepted Answer

The answer of ____________________ is a condition characterized by increased...

Question 10

During gas exchange at the lungs, oxygen ____. ​

Accepted Answer

A) moves against its partial pressure gradient 
B) from the blood into the alveoli 
C) moves from the external to internal environment 
D) moves in the same direction as carbon dioxide 
E) moves out of the blood ​ 
A) moves against its partial pressure gradient 
B) from the blood into the alveoli 
C) moves from the external to internal environment 
D) moves in the same direction as carbon dioxide 
E) moves out of the blood ​

Question 11

During quiet expiration, the return of the lungs to their resting position is dependent upon ____. ​

Accepted Answer

A) diaphragm contraction 
B) internal intercostal muscle contraction 
C) the increased volume of the lungs 
D) oxygen levels reaching their peak 
E) elastic recoil of the chest wall and lungs ​ 
A) diaphragm contraction 
B) internal intercostal muscle contraction 
C) the increased volume of the lungs 
D) oxygen levels reaching their peak 
E) elastic recoil of the chest wall and lungs ​

Question 12

The cause of infant respiratory distress syndrome is a lack of ____. ​

Accepted Answer

A) oxygen 
B) carbon dioxide 
C) hemoglobin 
D) surfactant 
E) surface tension ​ 
A) oxygen 
B) carbon dioxide 
C) hemoglobin 
D) surfactant 
E) surface tension ​

Question 13

When red blood cells interact with tissue where the oxygen concentration is low, hemoglobin ____. ​

Accepted Answer

A) releases oxygen 
B) releases carbon dioxide 
C) binds oxygen 
D) breaks down carbon dioxide 
E) releases both oxygen and carbon dioxide ​ 
A) releases oxygen 
B) releases carbon dioxide 
C) binds oxygen 
D) breaks down carbon dioxide 
E) releases both oxygen and carbon dioxide ​

Question 14

Cigarette smoking causes ____. ​

Accepted Answer

A) a decrease in mucus production 
B) an increase in the number of phagocytes 
C) slow bone healing 
D) an increase in the amount of cilia lining the airways 
E) an increase in the birth weight of newborns of mothers who smoke ​ 
A) a decrease in mucus production 
B) an increase in the number of phagocytes 
C) slow bone healing 
D) an increase in the amount of cilia lining the airways 
E) an increase in the birth weight of newborns of mothers who smoke ​

Question 15

During inhalation, ____. ​

Accepted Answer

A) thoracic volume decreases 
B) the diaphragm contracts by flattening 
C) pressure in your alveoli rises 
D) the ribs are moved downward 
E) atmospheric pressure falls ​ 
A) thoracic volume decreases 
B) the diaphragm contracts by flattening 
C) pressure in your alveoli rises 
D) the ribs are moved downward 
E) atmospheric pressure falls ​

Question 16

The ____________________ is a measure of the amount of air entering and leaving the lungs in a normal single breath. ​

Accepted Answer

The answer of The ____________________ is a measure of the...

Question 17

The respiratory pacemaker center is located in the ____. ​

Accepted Answer

A) spinal cord 
B) lungs 
C) frontal lobe 
D) brain stem 
E) diaphragm ​ 
A) spinal cord 
B) lungs 
C) frontal lobe 
D) brain stem 
E) diaphragm ​

Question 18

Match between columns
                        Premises: oxygen release from hemoglobin under acidic conditions 
elastic recoil of lungs in a patient with sleep apnea 
breathing rate when pH of CSF becomes more acidic 
pressure inside the lungs during expiration 
breathing rate when partial pressure of arterial blood is 100 mm Hg 
partial pressure of oxygen at 5,000 feet above sea level 
atmospheric pressure at 5,000 feet above sea level 
breathing rate at 5,000 feet above sea level 
tidal volume during an asthma attack 
pH of CSF with elevated carbon dioxide

Accepted Answer

The Answer of decreases and does not change and increases is...

Question 19

The reaction that forms bicarbonate from carbon dioxide occurs fastest in ____. ​

Accepted Answer

A) plasma 
B) red blood cells 
C) alveoli cells 
D) nerve cells 
E) muscle cells ​ 
A) plasma 
B) red blood cells 
C) alveoli cells 
D) nerve cells 
E) muscle cells ​

Question 20

What accounts for the release of more oxygen from hemoglobin around highly active tissue? ​

Accepted Answer

A) low partial pressure gradients 
B) more acidity 
C) decreased temperature 
D) increased iron concentration 
E) increased blood pressure ​ 
A) low partial pressure gradients 
B) more acidity 
C) decreased temperature 
D) increased iron concentration 
E) increased blood pressure ​

Exam 10: The Respiratory System

A collapsed lung occurs when the pressure in the ____. ​

The ____________________ closes off the larynx during swallowing. ​

In which disorder is the neural control of the breathing cycle disrupted? ​

If atmospheric pressure is 760 mm Hg, what would you expect the pressure inside the lungs to be during a forceful expiration? ​

When carbon dioxide levels in the blood rise the ____. ​

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

Before you inhale, the pressure inside your alveoli is ____. ​

In which disorder is the elastic tissue of the lung destroyed making expiration extremely difficult? ​

____________________ is a condition characterized by increased mucus secretions in the bronchioles. ​

During gas exchange at the lungs, oxygen ____. ​

During quiet expiration, the return of the lungs to their resting position is dependent upon ____. ​

The cause of infant respiratory distress syndrome is a lack of ____. ​

When red blood cells interact with tissue where the oxygen concentration is low, hemoglobin ____. ​

Cigarette smoking causes ____. ​

During inhalation, ____. ​

The ____________________ is a measure of the amount of air entering and leaving the lungs in a normal single breath. ​

The respiratory pacemaker center is located in the ____. ​

The reaction that forms bicarbonate from carbon dioxide occurs fastest in ____. ​

What accounts for the release of more oxygen from hemoglobin around highly active tissue? ​

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

A collapsed lung occurs when the pressure in the ____.

The ____________________ closes off the larynx during swallowing.

In which disorder is the neural control of the breathing cycle disrupted?

If atmospheric pressure is 760 mm Hg, what would you expect the pressure inside the lungs to be during a forceful expiration?

When carbon dioxide levels in the blood rise the ____.

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

Before you inhale, the pressure inside your alveoli is ____.

In which disorder is the elastic tissue of the lung destroyed making expiration extremely difficult?

____________________ is a condition characterized by increased mucus secretions in the bronchioles.

During gas exchange at the lungs, oxygen ____.

During quiet expiration, the return of the lungs to their resting position is dependent upon ____.

The cause of infant respiratory distress syndrome is a lack of ____.

When red blood cells interact with tissue where the oxygen concentration is low, hemoglobin ____.

Cigarette smoking causes ____.

During inhalation, ____.

The ____________________ is a measure of the amount of air entering and leaving the lungs in a normal single breath.

The respiratory pacemaker center is located in the ____.

The reaction that forms bicarbonate from carbon dioxide occurs fastest in ____.

What accounts for the release of more oxygen from hemoglobin around highly active tissue?