Question 1

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

Accepted Answer

A)  increase. 
B)  decrease. 
C)  remain unchanged. 
A)  increase. 
B)  decrease. 
C)  remain unchanged.

Question 2

The medical term for a collapsed lung is pneumothorax.

Accepted Answer

A) True 
 B)False

Question 3

Most oxygen transported in the blood is combined with __________.

Accepted Answer

A)  myoglobin 
B)  carbon dioxide 
C)  hemoglobin 
D)  water 
A)  myoglobin 
B)  carbon dioxide 
C)  hemoglobin 
D)  water

Question 4

Calculate the vital lung capacity of a person with an inspiratory reserve volume of 3200 mL, a tidal volume of 525 mL, and an expiratory reserve volume of 900 mL.

Accepted Answer

A)  1215 ml 
B)  1825 ml 
C)  4625 ml 
D)  6050 ml 
E)  7200 ml 
A)  1215 ml 
B)  1825 ml 
C)  4625 ml 
D)  6050 ml 
E)  7200 ml

Question 5

The result of the process of inspiration is

Accepted Answer

A)  increased alveolar volume causes increased alveolar pressure. 
B)  increased alveolar volume causes decreased alveolar pressure. 
C)  decreased alveolar volume causes increased alveolar pressure. 
D)  decreased alveolar volume causes decreased alveolar pressure. 
E)  increased alveolar pressure caused decreased alveolar volume. 
A)  increased alveolar volume causes increased alveolar pressure. 
B)  increased alveolar volume causes decreased alveolar pressure. 
C)  decreased alveolar volume causes increased alveolar pressure. 
D)  decreased alveolar volume causes decreased alveolar pressure. 
E)  increased alveolar pressure caused decreased alveolar volume.

Question 6

Which of the following is an effect of aging on the respiratory system?

Accepted Answer

A)  vital capacity is unchanged 
B)  minute ventilation rates increase 
C)  residual volume increases 
D)  gas exchange in the lungs remains unchanged 
A)  vital capacity is unchanged 
B)  minute ventilation rates increase 
C)  residual volume increases 
D)  gas exchange in the lungs remains unchanged

Question 7

Match the pulmonary volume with its definition.
1. Volume of air inspired or expired with each breath
2. Amount of air that can be inspired forcefully after normal inspiration
3. Amount of air that can be forcefully expired after normal exhalation
4. Volume of air in the lungs after forceful expiration

Accepted Answer

Tidal volume 
Inspir

Question 8

The part of the ventral respiratory group of the medullary respiratory center that establishes the basic breathing pattern is called the ___________.

Accepted Answer

A)  pre-Botzinger complex 
B)  pontine respiratory group 
C)  inspiratory respiratory group 
D)  respiratory center 
A)  pre-Botzinger complex 
B)  pontine respiratory group 
C)  inspiratory respiratory group 
D)  respiratory center

Question 9

Which of the following statements about partial pressures of gases is TRUE?

Accepted Answer

A)  PO2 in lung is greater than PO2 in blood; PCO2 in lung is greater than PCO2 in blood 
B)  PO2 in lung is greater than PO2 in blood; PCO2 in lung is less than PCO2 in blood 
C)  PO2 in lung is greater than PO2 in blood; PCO2 in lung = PCO2 in blood 
D)  PO2 in lung is less than PO2 in blood; PCO2 in lung is less than PCO2 in blood 
E)  PO2 in lung is less than PO2 in blood; PCO2 in lung is greater than PCO2 in blood 
A)  PO2 in lung is greater than PO2 in blood; PCO2 in lung is greater than PCO2 in blood 
B)  PO2 in lung is greater than PO2 in blood; PCO2 in lung is less than PCO2 in blood 
C)  PO2 in lung is greater than PO2 in blood; PCO2 in lung = PCO2 in blood 
D)  PO2 in lung is less than PO2 in blood; PCO2 in lung is less than PCO2 in blood 
E)  PO2 in lung is less than PO2 in blood; PCO2 in lung is greater than PCO2 in blood

Question 10

The Hering-Breuer reflex

Accepted Answer

A)  causes erratic respirations. 
B)  helps prevent overinflation of the lungs. 
C)  has its sensory components in the sympathetic nerves. 
D)  is a normal response to increased oxygen content in the blood. 
E)  limits how much air a person can expire. 
A)  causes erratic respirations. 
B)  helps prevent overinflation of the lungs. 
C)  has its sensory components in the sympathetic nerves. 
D)  is a normal response to increased oxygen content in the blood. 
E)  limits how much air a person can expire.

Question 11

For air to flow into or out of the lungs, there must be

Accepted Answer

A)  a volume gradient established between the atmosphere and the alveoli. 
B)  a temperature gradient between the atmosphere and the alveoli. 
C)  a pressure gradient established between the atmosphere and the alveoli. 
D)  a diffusion gradient between the atmosphere and the alveoli. 
E)  None of these choices is correct. 
A)  a volume gradient established between the atmosphere and the alveoli. 
B)  a temperature gradient between the atmosphere and the alveoli. 
C)  a pressure gradient established between the atmosphere and the alveoli. 
D)  a diffusion gradient between the atmosphere and the alveoli. 
E)  None of these choices is correct.

Question 12

Match the respiratory system structure with its description.
1. Visible structure on the face
2. Extends from the nares to the choanae
3. Common opening for digestive and respiratory systems
4. Located posterior to the choanae and superior to the soft palate
5. Extends from the soft palate to the epiglottis
6. Extends from the tip of the epiglottis to the esophagus
7. Passageway for air; extends from the base of the tongue to the trachea
8. Windpipe; membranous tube attached to the larynx
9. Large, conical shaped organs of respiration
10. Small, air-filled chambers for where gas exchange takes place

Accepted Answer

External nose 
Nasal cavity 
P

Question 13

Which of the following is NOT a respiratory adaptation to exercise training?

Accepted Answer

A)  vital capacity increases 
B)  tidal volume at maximal exercise will increase 
C)  increased minute ventilation after training 
D)  after training, respiratory rate at rest is lower 
A)  vital capacity increases 
B)  tidal volume at maximal exercise will increase 
C)  increased minute ventilation after training 
D)  after training, respiratory rate at rest is lower

Question 14

At the venous end of tissue capillaries, there is no net movement of O2 and CO2.

Accepted Answer

A) True 
 B)False

Question 15

Inspiration begins as

Accepted Answer

A)  the diaphragm relaxes. 
B)  the diaphragm contracts. 
C)  the lungs expand. 
D)  the lungs contract. 
E)  none of the choices are correct. 
A)  the diaphragm relaxes. 
B)  the diaphragm contracts. 
C)  the lungs expand. 
D)  the lungs contract. 
E)  none of the choices are correct.

Question 16

Which of the following statements about partial pressures of gases is TRUE?

Accepted Answer

A)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood is greater than PCO2 in tissues 
B)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues 
C)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood = PCO2 in tissues 
D)  PO2 in blood is less than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues 
E)  PO2 in blood is less than PO2 in tissues; PCO2 in blood is greater than PCO2 in tissues 
A)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood is greater than PCO2 in tissues 
B)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues 
C)  PO2 in blood is greater than PO2 in tissues; PCO2 in blood = PCO2 in tissues 
D)  PO2 in blood is less than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues 
E)  PO2 in blood is less than PO2 in tissues; PCO2 in blood is greater than PCO2 in tissues

Question 17

The direction of gas movement is determined by

Accepted Answer

A)  temperature. 
B)  size of the gas molecule. 
C)  solubility of the gas in blood. 
D)  partial pressure differences. 
E)  pH. 
A)  temperature. 
B)  size of the gas molecule. 
C)  solubility of the gas in blood. 
D)  partial pressure differences. 
E)  pH.

Question 18

Oxygen-poor blood is carried through systemic veins from the body tissues back to the heart.

Accepted Answer

A) True 
 B)False

Question 19

Typically, oxygen travels down the partial pressure gradient _____ the alveoli ____ the blood, and carbon dioxide travels _____ the blood ____the alveoli.

Accepted Answer

A)  from, to, to from 
B)  from to, from to 
C)  to from, from to 
D)  to from, to from 
A)  from, to, to from 
B)  from to, from to 
C)  to from, from to 
D)  to from, to from

Question 20

The partial pressure of a gas can be measured in millimeters of mercury.

Accepted Answer

A) True 
 B)False

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

The medical term for a collapsed lung is pneumothorax.

Most oxygen transported in the blood is combined with __________.

Calculate the vital lung capacity of a person with an inspiratory reserve volume of 3200 mL, a tidal volume of 525 mL, and an expiratory reserve volume of 900 mL.

The result of the process of inspiration is

Which of the following is an effect of aging on the respiratory system?

The part of the ventral respiratory group of the medullary respiratory center that establishes the basic breathing pattern is called the ___________.

Which of the following statements about partial pressures of gases is TRUE?

The Hering-Breuer reflex

For air to flow into or out of the lungs, there must be

Which of the following is NOT a respiratory adaptation to exercise training?

At the venous end of tissue capillaries, there is no net movement of O2 and CO2.

Inspiration begins as

Which of the following statements about partial pressures of gases is TRUE?

The direction of gas movement is determined by

Oxygen-poor blood is carried through systemic veins from the body tissues back to the heart.

Typically, oxygen travels down the partial pressure gradient ___ the alveoli the blood, and carbon dioxide travels _ the blood __the alveoli.

The partial pressure of a gas can be measured in millimeters of mercury.

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

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Development, Heredity, and Aging

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Exam 15: Respiratory System

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

The medical term for a collapsed lung is pneumothorax.

Most oxygen transported in the blood is combined with __________.

Calculate the vital lung capacity of a person with an inspiratory reserve volume of 3200 mL, a tidal volume of 525 mL, and an expiratory reserve volume of 900 mL.

The result of the process of inspiration is

Which of the following is an effect of aging on the respiratory system?

The part of the ventral respiratory group of the medullary respiratory center that establishes the basic breathing pattern is called the ___________.

Which of the following statements about partial pressures of gases is TRUE?

The Hering-Breuer reflex

For air to flow into or out of the lungs, there must be

Which of the following is NOT a respiratory adaptation to exercise training?

At the venous end of tissue capillaries, there is no net movement of O2 and CO2.

Inspiration begins as

Which of the following statements about partial pressures of gases is TRUE?

The direction of gas movement is determined by

Oxygen-poor blood is carried through systemic veins from the body tissues back to the heart.

Typically, oxygen travels down the partial pressure gradient _____ the alveoli ____ the blood, and carbon dioxide travels _____ the blood ____the alveoli.

The partial pressure of a gas can be measured in millimeters of mercury.

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, Heredity, and Aging

Filters

Typically, oxygen travels down the partial pressure gradient ___ the alveoli the blood, and carbon dioxide travels _ the blood __the alveoli.