Question 1

The glottis is the opening between the vocal cords.

Accepted Answer

A) True 
 B)False  True

Question 2

The respiratory centers are located in the medulla oblongata and the pons of the ________.

Accepted Answer

brainstem

Question 3

Hyperventilation causes

Accepted Answer

A)  a decrease in plasma pCO2. 
B)  an increase in plasma pCO2. 
C)  a decrease in plasma PO2. 
D)  a decrease in plasma pH. 
E)  none of the above are correct 
A)  a decrease in plasma pCO2. 
B)  an increase in plasma pCO2. 
C)  a decrease in plasma PO2. 
D)  a decrease in plasma pH. 
E)  none of the above are correct A

Question 4

The amount of air that enters or leaves the lungs during a respiratory cycle is the

Accepted Answer

A)  tidal volume. 
B)  residual volume. 
C)  vital capacity. 
D)  total lung capacity. 
E)  expiratory reserve volume. 
A)  tidal volume. 
B)  residual volume. 
C)  vital capacity. 
D)  total lung capacity. 
E)  expiratory reserve volume.

Question 5

The visceral and parietal pleural membranes are normally held together by

Accepted Answer

A)  loose connective tissue. 
B)  dense connective tissue. 
C)  serous fluid in the pleural cavity. 
D)  surfactant in the pleural cavity. 
E)  elastic connective tissue. 
A)  loose connective tissue. 
B)  dense connective tissue. 
C)  serous fluid in the pleural cavity. 
D)  surfactant in the pleural cavity. 
E)  elastic connective tissue.

Question 6

The receptors of the inflation reflex are most sensitive to

Accepted Answer

A)  touch. 
B)  stretch. 
C)  temperature changes. 
D)  pH changes. 
E)  oxygen levels. 
A)  touch. 
B)  stretch. 
C)  temperature changes. 
D)  pH changes. 
E)  oxygen levels.

Question 7

Breathing rate is most likely to increase if the blood level of

Accepted Answer

A)  carbon dioxide decreases. 
B)  carbon dioxide increases. 
C)  hydrogen ions decrease. 
D)  oxygen increases. 
E)  carbon dioxide stays constant. 
A)  carbon dioxide decreases. 
B)  carbon dioxide increases. 
C)  hydrogen ions decrease. 
D)  oxygen increases. 
E)  carbon dioxide stays constant.

Question 8

Within a mixture of gases,the pressure created by each gas is called its ________ pressure.

Accepted Answer

The answer of Within a mixture of gases,the pressure created...

Question 9

The potential space between the pleural membranes is called the pleural cavity.

Accepted Answer

A) True 
 B)False

Question 10

The enzyme carbonic anhydrase speeds up the reaction between

Accepted Answer

A)  carbon dioxide and water. 
B)  carbon dioxide and bicarbonate ions. 
C)  water and bicarbonate ions. 
D)  water and hydrogen ions. 
E)  adjacent water molecules. 
A)  carbon dioxide and water. 
B)  carbon dioxide and bicarbonate ions. 
C)  water and bicarbonate ions. 
D)  water and hydrogen ions. 
E)  adjacent water molecules.

Question 11

The condition in which outside air enters the pleural cavity is called

Accepted Answer

A)  pneumonia. 
B)  pneumothorax. 
C)  pulmonary ventilation. 
D)  internal respiration. 
E)  alveolar ventilation. 
A)  pneumonia. 
B)  pneumothorax. 
C)  pulmonary ventilation. 
D)  internal respiration. 
E)  alveolar ventilation.

Question 12

Gas exchange between the air in the alveoli and the blood in nearby capillaries occurs by the process of

Accepted Answer

A)  active transport. 
B)  osmosis. 
C)  diffusion. 
D)  facilitated diffusion. 
E)  endocytosis. 
A)  active transport. 
B)  osmosis. 
C)  diffusion. 
D)  facilitated diffusion. 
E)  endocytosis.

Question 13

Carbaminohemoglobin is formed when hemoglobin bonds with

Accepted Answer

A)  amino acids. 
B)  carbon atoms. 
C)  carbon dioxide. 
D)  carbonic anhydrase. 
E)  carbohydrates. 
A)  amino acids. 
B)  carbon atoms. 
C)  carbon dioxide. 
D)  carbonic anhydrase. 
E)  carbohydrates.

Question 14

The additional volume of air that can be expelled from the lungs at the end of a resting expiration is called the

Accepted Answer

A)  expiratory reserve volume. 
B)  residual volume. 
C)  inspiratory reserve volume. 
D)  vital capacity. 
E)  tidal volume. 
A)  expiratory reserve volume. 
B)  residual volume. 
C)  inspiratory reserve volume. 
D)  vital capacity. 
E)  tidal volume.

Question 15

Cancer that originates in the lungs is most likely to develop from

Accepted Answer

A)  epithelial cells. 
B)  smooth muscle cells. 
C)  loose connective tissue cells. 
D)  hyaline cartilage cells. 
E)  nervous tissue cells. 
A)  epithelial cells. 
B)  smooth muscle cells. 
C)  loose connective tissue cells. 
D)  hyaline cartilage cells. 
E)  nervous tissue cells.

Question 16

The pectoralis minor and the sternocleidomastoid muscles are useful in aiding forced expiration.

Accepted Answer

A) True 
 B)False

Question 17

The muscular action that causes air to move into the lungs during inspiration is provided by

Accepted Answer

A)  the diaphragm. 
B)  internal intercostal muscles. 
C)  abdominal wall muscles. 
D)  expiratory intercostal muscles. 
E)  all of the above. 
A)  the diaphragm. 
B)  internal intercostal muscles. 
C)  abdominal wall muscles. 
D)  expiratory intercostal muscles. 
E)  all of the above.

Question 18

Which of the following muscles would be most helpful for forceful expiration?

Accepted Answer

A)  diaphragm 
B)  external intercostals 
C)  abdominal wall muscles 
D)  sternocleidomastoids 
E)  all of the above 
A)  diaphragm 
B)  external intercostals 
C)  abdominal wall muscles 
D)  sternocleidomastoids 
E)  all of the above

Question 19

The procedure used to directly examine the trachea and bronchial tree is called

Accepted Answer

A)  bronchoscopy. 
B)  tracheostomy. 
C)  tracheotomy. 
D)  laryngectomy. 
E)  lobectomy. 
A)  bronchoscopy. 
B)  tracheostomy. 
C)  tracheotomy. 
D)  laryngectomy. 
E)  lobectomy.

Question 20

The walls of the alveoli are composed of

Accepted Answer

A)  pseudostratified ciliated columnar epithelium. 
B)  simple squamous epithelium. 
C)  stratified squamous epithelium. 
D)  loose connective tissue. 
E)  dense connective tissue. 
A)  pseudostratified ciliated columnar epithelium. 
B)  simple squamous epithelium. 
C)  stratified squamous epithelium. 
D)  loose connective tissue. 
E)  dense connective tissue.

The glottis is the opening between the vocal cords.

The respiratory centers are located in the medulla oblongata and the pons of the ________.

Hyperventilation causes

The amount of air that enters or leaves the lungs during a respiratory cycle is the

The visceral and parietal pleural membranes are normally held together by

The receptors of the inflation reflex are most sensitive to

Breathing rate is most likely to increase if the blood level of

Within a mixture of gases,the pressure created by each gas is called its ________ pressure.

The potential space between the pleural membranes is called the pleural cavity.

The enzyme carbonic anhydrase speeds up the reaction between

The condition in which outside air enters the pleural cavity is called

Gas exchange between the air in the alveoli and the blood in nearby capillaries occurs by the process of

Carbaminohemoglobin is formed when hemoglobin bonds with

The additional volume of air that can be expelled from the lungs at the end of a resting expiration is called the

Cancer that originates in the lungs is most likely to develop from

The pectoralis minor and the sternocleidomastoid muscles are useful in aiding forced expiration.

The muscular action that causes air to move into the lungs during inspiration is provided by

Which of the following muscles would be most helpful for forceful expiration?

The procedure used to directly examine the trachea and bronchial tree is called

The walls of the alveoli are composed of

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Exam 16: Respiratory System

The glottis is the opening between the vocal cords.

The respiratory centers are located in the medulla oblongata and the pons of the ________.

Hyperventilation causes

The amount of air that enters or leaves the lungs during a respiratory cycle is the

The visceral and parietal pleural membranes are normally held together by

The receptors of the inflation reflex are most sensitive to

Breathing rate is most likely to increase if the blood level of

Within a mixture of gases,the pressure created by each gas is called its ________ pressure.

The potential space between the pleural membranes is called the pleural cavity.

The enzyme carbonic anhydrase speeds up the reaction between

The condition in which outside air enters the pleural cavity is called

Gas exchange between the air in the alveoli and the blood in nearby capillaries occurs by the process of

Carbaminohemoglobin is formed when hemoglobin bonds with

The additional volume of air that can be expelled from the lungs at the end of a resting expiration is called the

Cancer that originates in the lungs is most likely to develop from

The pectoralis minor and the sternocleidomastoid muscles are useful in aiding forced expiration.

The muscular action that causes air to move into the lungs during inspiration is provided by

Which of the following muscles would be most helpful for forceful expiration?

The procedure used to directly examine the trachea and bronchial tree is called

The walls of the alveoli are composed of

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, growth, development, and Genetics

Filters