Question 1

Mucus and pathogens are swept out of the larynx and trachea by:

Accepted Answer

A) smooth muscle 
B) peristalsis 
C) ciliated epithelium 
D) squamous epithelium 
A) smooth muscle 
B) peristalsis 
C) ciliated epithelium 
D) squamous epithelium

Question 2

The parts of the pharynx that are both air and food passageways are the:

Accepted Answer

A) oropharynx and laryngopharynx 
B) laryngopharynx and nasopharynx 
C) nasopharynx and oropharynx 
D) oropharynx and glossopharynx 
A) oropharynx and laryngopharynx 
B) laryngopharynx and nasopharynx 
C) nasopharynx and oropharynx 
D) oropharynx and glossopharynx

Question 3

The function of hemoglobin is to:

Accepted Answer

A) carry most oxygen and most carbon dioxide 
B) carry most oxygen 
C) carry most carbon dioxide bonded to iron 
D) carry some oxygen and most carbon dioxide 
A) carry most oxygen and most carbon dioxide 
B) carry most oxygen 
C) carry most carbon dioxide bonded to iron 
D) carry some oxygen and most carbon dioxide

Question 4

Someone who is hyperventilating in a state of anxiety may also have:

Accepted Answer

A) metabolic acidosis 
B) respiratory acidosis 
C) metabolic alkalosis 
D) respiratory alkalosis 
A) metabolic acidosis 
B) respiratory acidosis 
C) metabolic alkalosis 
D) respiratory alkalosis

Question 5

The visceral pleura is found:

Accepted Answer

A) covering the chest cavity 
B) lining the chest cavity 
C) covering the lungs 
D) lining the lungs 
A) covering the chest cavity 
B) lining the chest cavity 
C) covering the lungs 
D) lining the lungs

Question 6

Most carbon dioxide is transported in the blood:

Accepted Answer

A) as bicarbonate ions in the plasma 
B) as bicarbonate ions in the RBCs 
C) bonded to hemoglobin in the plasma 
D) bonded to hemoglobin in the RBCs 
A) as bicarbonate ions in the plasma 
B) as bicarbonate ions in the RBCs 
C) bonded to hemoglobin in the plasma 
D) bonded to hemoglobin in the RBCs

Question 7

Intrapulmonic pressure is the pressure:

Accepted Answer

A) of the air just before it enters the nose 
B) within the bronchial tree and alveoli 
C) between the pleural membranes 
D) within the pulmonary circulation,where blood pressure is always low 
A) of the air just before it enters the nose 
B) within the bronchial tree and alveoli 
C) between the pleural membranes 
D) within the pulmonary circulation,where blood pressure is always low

Question 8

The cause of respiratory alkalosis is:

Accepted Answer

A) accumulating oxygen 
B) not enough oxygen 
C) accumulating carbon dioxide 
D) not enough carbon dioxide 
A) accumulating oxygen 
B) not enough oxygen 
C) accumulating carbon dioxide 
D) not enough carbon dioxide

Question 9

A breathing rate that could help compensate for metabolic acidosis would be ___ per minute.

Accepted Answer

A) 8 
B) 14 
C) 18 
D) 36 
A) 8 
B) 14 
C) 18 
D) 36

Question 10

In response to hypoxia,the breathing rate will:

Accepted Answer

A) decrease to inhale less oxygen 
B) decrease to exhale less carbon dioxide 
C) increase to inhale more oxygen 
D) increase to exhale more carbon dioxide 
A) decrease to inhale less oxygen 
B) decrease to exhale less carbon dioxide 
C) increase to inhale more oxygen 
D) increase to exhale more carbon dioxide

Question 11

During breathing,friction between the pleural membranes is prevented by:

Accepted Answer

A) tissue fluid 
B) pulmonary surfactant 
C) serous fluid 
D) plasma 
A) tissue fluid 
B) pulmonary surfactant 
C) serous fluid 
D) plasma

Question 12

Pulmonary surfactant is produced by:

Accepted Answer

A) pulmonary capillaries 
B) the pleural membranes 
C) alveolar type I cells 
D) alveolar type II cells 
A) pulmonary capillaries 
B) the pleural membranes 
C) alveolar type I cells 
D) alveolar type II cells

Question 13

During inhalation,the diaphragm:

Accepted Answer

A) contracts and moves downward 
B) contracts and moves upward 
C) relaxes and moves downward 
D) relaxes and moves upward 
A) contracts and moves downward 
B) contracts and moves upward 
C) relaxes and moves downward 
D) relaxes and moves upward

Question 14

The CNS respiratory centers are located in the:

Accepted Answer

A) pons and hypothalamus 
B) hypothalamus and medulla 
C) medulla and pons 
D) cerebrum and medulla 
A) pons and hypothalamus 
B) hypothalamus and medulla 
C) medulla and pons 
D) cerebrum and medulla

Question 15

The respiratory air pressure that is always negative is:

Accepted Answer

A) intrapulmonic pressure 
B) intrapleural pressure 
C) interpulmonic pressure 
D) interpleural pressure 
A) intrapulmonic pressure 
B) intrapleural pressure 
C) interpulmonic pressure 
D) interpleural pressure

Question 16

Vital capacity is the pulmonary volume that includes:

Accepted Answer

A) tidal volume and inspiratory reserve 
B) tidal volume and expiratory reserve 
C) both A and B 
D) both A and B,and the vital residual last gasp reserve 
A) tidal volume and inspiratory reserve 
B) tidal volume and expiratory reserve 
C) both A and B 
D) both A and B,and the vital residual last gasp reserve

Question 17

Most oxygen is transported in the blood bonded to:

Accepted Answer

A) iron in the plasma 
B) RBC membranes 
C) hemoglobin in the plasma 
D) hemoglobin in the RBCs 
A) iron in the plasma 
B) RBC membranes 
C) hemoglobin in the plasma 
D) hemoglobin in the RBCs

Question 18

With respect to carbon dioxide transport,the function of hemoglobin is to:

Accepted Answer

A) carry most carbon dioxide inside the RBCs 
B) buffer hydrogen ions 
C) attach carbon dioxide to water to be transported 
D) make carbon dioxide soluble in the water of plasma 
A) carry most carbon dioxide inside the RBCs 
B) buffer hydrogen ions 
C) attach carbon dioxide to water to be transported 
D) make carbon dioxide soluble in the water of plasma

Question 19

Which statement is NOT true of the air pressures involved in breathing?

Accepted Answer

A) Intrapleural pressure is always below atmospheric pressure. 
B) Atmospheric pressure is highest at sea level. 
C) Intrapulmonic pressure constantly changes during breathing. 
D) Enlargement of the chest cavity causes intrapulmonic pressure to increase. 
A) Intrapleural pressure is always below atmospheric pressure. 
B) Atmospheric pressure is highest at sea level. 
C) Intrapulmonic pressure constantly changes during breathing. 
D) Enlargement of the chest cavity causes intrapulmonic pressure to increase.

Question 20

The volume of air inhaled and exhaled in one breath is called:

Accepted Answer

A) tidal volume 
B) normal volume 
C) normal capacity 
D) expected capacity 
A) tidal volume 
B) normal volume 
C) normal capacity 
D) expected capacity

Exam 16:The Respiratory System-Part C

Mucus and pathogens are swept out of the larynx and trachea by:

The parts of the pharynx that are both air and food passageways are the:

The function of hemoglobin is to:

Someone who is hyperventilating in a state of anxiety may also have:

The visceral pleura is found:

Most carbon dioxide is transported in the blood:

Intrapulmonic pressure is the pressure:

The cause of respiratory alkalosis is:

A breathing rate that could help compensate for metabolic acidosis would be ___ per minute.

In response to hypoxia,the breathing rate will:

During breathing,friction between the pleural membranes is prevented by:

Pulmonary surfactant is produced by:

During inhalation,the diaphragm:

The CNS respiratory centers are located in the:

The respiratory air pressure that is always negative is:

Vital capacity is the pulmonary volume that includes:

Most oxygen is transported in the blood bonded to:

With respect to carbon dioxide transport,the function of hemoglobin is to:

Which statement is NOT true of the air pressures involved in breathing?

The volume of air inhaled and exhaled in one breath is called:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C