Question 1

Mucus plays an important role in cleansing inhaled air.It is produced by __________ of the respiratory tract.

Accepted Answer

A)  squamous alveolar cells 
B)  great alveolar cells 
C)  the pleurae 
D)  ciliated cells 
E)  goblet cells 
A)  squamous alveolar cells 
B)  great alveolar cells 
C)  the pleurae 
D)  ciliated cells 
E)  goblet cells E

Question 2

Congestive heart failure results in which of the following?

Accepted Answer

A)  Hypoxemic hypoxia 
B)  Ischemic hypoxia 
C)  Anemic hypoxia 
D)  Histotoxic hypoxia 
E)  Idiopathic hypoxia 
A)  Hypoxemic hypoxia 
B)  Ischemic hypoxia 
C)  Anemic hypoxia 
D)  Histotoxic hypoxia 
E)  Idiopathic hypoxia B

Question 3

Which of the following is not a function of the respiratory system?

Accepted Answer

A)  Control of pH 
B)  Promotes the flow of lymph and venous blood 
C)  Helps regulate blood pressure 
D)  Assists in the synthesis of vasodilators 
E)  Aids in defecation 
A)  Control of pH 
B)  Promotes the flow of lymph and venous blood 
C)  Helps regulate blood pressure 
D)  Assists in the synthesis of vasodilators 
E)  Aids in defecation D

Question 4

What are the most numerous cells in the lungs?

Accepted Answer

A)  Mucosal cells 
B)  Type I alveolar cells 
C)  Type II alveolar cells 
D)  Dust cells 
E)  Vibrissal cells 
A)  Mucosal cells 
B)  Type I alveolar cells 
C)  Type II alveolar cells 
D)  Dust cells 
E)  Vibrissal cells

Question 5

In the air we breathe,which gas is found in the highest concentration?

Accepted Answer

A)  Oxygen 
B)  Water vapor 
C)  Nitrogen 
D)  Carbon dioxide 
E)  Hydrogen 
A)  Oxygen 
B)  Water vapor 
C)  Nitrogen 
D)  Carbon dioxide 
E)  Hydrogen

Question 6

Which malignancy originates in the lamina propria of the bronchi?

Accepted Answer

A)  Squamous-cell carcinoma 
B)  Oat-cell carcinoma 
C)  Adenocarcinoma 
D)  Pulmonary edema 
E)  Cor pulmonale 
A)  Squamous-cell carcinoma 
B)  Oat-cell carcinoma 
C)  Adenocarcinoma 
D)  Pulmonary edema 
E)  Cor pulmonale

Question 7

Gas transport is the process of carrying gases from the alveoli to the systemic tissues and vice versa.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?

Accepted Answer

A)  Hemoglobinase 
B)  Carboxyhemoglobinase 
C)  Carbonic anhydrase 
D)  Bisphosphoglycerase 
E)  Carbaminoreductase 
A)  Hemoglobinase 
B)  Carboxyhemoglobinase 
C)  Carbonic anhydrase 
D)  Bisphosphoglycerase 
E)  Carbaminoreductase

Question 9

The respiratory system contains a total of five __________.

Accepted Answer

A)  segmental bronchi 
B)  choanae 
C)  laryngeal cartilages 
D)  lobes 
E)  tracheal cartilages 
A)  segmental bronchi 
B)  choanae 
C)  laryngeal cartilages 
D)  lobes 
E)  tracheal cartilages

Question 10

Which of these is most likely to result from contact between contaminated fingers and the nasal mucosa?

Accepted Answer

A)  Apnea 
B)  Adult respiratory distress syndrome 
C)  Acute bronchitis 
D)  Acute rhinitis 
E)  Asthma 
A)  Apnea 
B)  Adult respiratory distress syndrome 
C)  Acute bronchitis 
D)  Acute rhinitis 
E)  Asthma

Question 11

Your breathing rate is 14 breaths/minute;spirometric measurements reveal your tidal volume is 500 mL;your inspiratory reserve volume is 3000 mL;and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Accepted Answer

A)  2,400 
B)  3,000 
C)  3,800 
D)  4,700 
E)  5,800 
A)  2,400 
B)  3,000 
C)  3,800 
D)  4,700 
E)  5,800

Question 12

Which law states that the total atmospheric pressure is a sum of the contributions of the individual gases?

Accepted Answer

A)  Henry's 
B)  Charles's 
C)  Boyle's 
D)  Dalton's 
A)  Henry's 
B)  Charles's 
C)  Boyle's 
D)  Dalton's

Question 13

Which of the following does not contain ciliated cells?

Accepted Answer

A)  Nasal cavity 
B)  Trachea 
C)  Primary bronchus 
D)  Terminal bronchiole 
E)  Larygopharynx 
A)  Nasal cavity 
B)  Trachea 
C)  Primary bronchus 
D)  Terminal bronchiole 
E)  Larygopharynx

Question 14

Which of the following is a lung disease marked by a reduced number of cilia,reduced motility of the remaining cilia,goblet cell hypertrophy and hypersecretion,and thick sputum?

Accepted Answer

A)  Asthma 
B)  Oat-cell carcinoma 
C)  Atelectasis 
D)  Chronic bronchitis 
E)  Emphysema 
A)  Asthma 
B)  Oat-cell carcinoma 
C)  Atelectasis 
D)  Chronic bronchitis 
E)  Emphysema

Question 15

Which center bears the primary responsibility for generating the respiratory rhythm,but is influenced by several other centers?

Accepted Answer

A)  PRG 
B)  DRG 
C)  VRG 
D)  SRG 
A)  PRG 
B)  DRG 
C)  VRG 
D)  SRG

Question 16

Which of the following would lead to anemic hypoxia?

Accepted Answer

A)  Sickle-cell disease 
B)  Emphysema 
C)  Squamous-cell carcinoma 
D)  Asthma 
E)  Atelectasis 
A)  Sickle-cell disease 
B)  Emphysema 
C)  Squamous-cell carcinoma 
D)  Asthma 
E)  Atelectasis

Question 17

Each alveolus is surrounded by a web of blood capillaries supplied by the _________.

Accepted Answer

A)  aorta 
B)  pulmonary artery 
C)  pulmonary vein 
D)  inferior vena cava 
E)  superior vena cava 
A)  aorta 
B)  pulmonary artery 
C)  pulmonary vein 
D)  inferior vena cava 
E)  superior vena cava

Question 18

Which of the following is the term for the lungs resistance to expansion?

Accepted Answer

A)  Pulmonary ventilation 
B)  Pulmonary compliance 
C)  Pulmonary stenosis 
D)  Pulmonary surfactant 
E)  Pulmonary impedance 
A)  Pulmonary ventilation 
B)  Pulmonary compliance 
C)  Pulmonary stenosis 
D)  Pulmonary surfactant 
E)  Pulmonary impedance

Question 19

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Accepted Answer

A)  There is reserve oxygen in Tom's lungs. 
B)  There is a venous reserve of oxygen in Tom's blood. 
C)  The ambient PO2 can support life that long. 
D)  The Haldane effect lasts up to 5 minutes. 
E)  Tom's hypoxic drive will keep him alive for up to 5 minutes. 
A)  There is reserve oxygen in Tom's lungs. 
B)  There is a venous reserve of oxygen in Tom's blood. 
C)  The ambient PO2 can support life that long. 
D)  The Haldane effect lasts up to 5 minutes. 
E)  Tom's hypoxic drive will keep him alive for up to 5 minutes.

Question 20

The maximum amount of air the lungs can contain is known as inspiratory capacity.

Accepted Answer

A) True 
 B)False

Exam 22: The Respiratory System

Mucus plays an important role in cleansing inhaled air.It is produced by __________ of the respiratory tract.

Congestive heart failure results in which of the following?

Which of the following is not a function of the respiratory system?

What are the most numerous cells in the lungs?

In the air we breathe,which gas is found in the highest concentration?

Which malignancy originates in the lamina propria of the bronchi?

Gas transport is the process of carrying gases from the alveoli to the systemic tissues and vice versa.

Which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?

The respiratory system contains a total of five __________.

Which of these is most likely to result from contact between contaminated fingers and the nasal mucosa?

Your breathing rate is 14 breaths/minute;spirometric measurements reveal your tidal volume is 500 mL;your inspiratory reserve volume is 3000 mL;and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Which law states that the total atmospheric pressure is a sum of the contributions of the individual gases?

Which of the following does not contain ciliated cells?

Which of the following is a lung disease marked by a reduced number of cilia,reduced motility of the remaining cilia,goblet cell hypertrophy and hypersecretion,and thick sputum?

Which center bears the primary responsibility for generating the respiratory rhythm,but is influenced by several other centers?

Which of the following would lead to anemic hypoxia?

Each alveolus is surrounded by a web of blood capillaries supplied by the _________.

Which of the following is the term for the lungs resistance to expansion?

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

The maximum amount of air the lungs can contain is known as inspiratory capacity.

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Genetics of Cellular Function

Histology

The Integumentary System

Bone Tissue

The Skeletal System

Joints

The Muscular System

Muscular Tissue

Nervous Tissue

The Spinal Cord,spinal Nerves,and Somatic Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System and Visceral Reflexes

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Heart

The Circulatory System: Blood Vessels and Circulation

The Lymphatic and Immune Systems

The Urinary System

Fluid, electrolyte, and Acidbase Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Atlas a General Orientation to Human Anatomy

Filters

Which of the following enzymes in an RBC breaks H₂CO₃ down to water and carbon dioxide?