Question 1

The exchange of gases between blood in the systemic capillaries and tissue cells is called

Accepted Answer

A)  pulmonary ventilation. 
B)  internal respiration. 
C)  external respiration. 
D)  expiration. 
E)  inspiration. 
A)  pulmonary ventilation. 
B)  internal respiration. 
C)  external respiration. 
D)  expiration. 
E)  inspiration. B

Question 2

Which is the dominant method of carbon dioxide transport?

Accepted Answer

A)  bound to hemoglobin 
B)  bound to oxygen 
C)  dissolved in plasma as a gas 
D)  dissolved in plasma as bicarbonate ions 
E)  diffusion 
A)  bound to hemoglobin 
B)  bound to oxygen 
C)  dissolved in plasma as a gas 
D)  dissolved in plasma as bicarbonate ions 
E)  diffusion D

Question 3

For air to enter the lungs during inhalation

Accepted Answer

A)  the pressure inside the lungs must become lower than the atmospheric pressure. 
B)  the pressure inside the lungs must be higher than the atmospheric pressure. 
C)  the pressure inside the lungs must be equal to the atmospheric pressure. 
D)  the size of the lungs must be decreased. 
E)  the diaphragm has to be relaxed. 
A)  the pressure inside the lungs must become lower than the atmospheric pressure. 
B)  the pressure inside the lungs must be higher than the atmospheric pressure. 
C)  the pressure inside the lungs must be equal to the atmospheric pressure. 
D)  the size of the lungs must be decreased. 
E)  the diaphragm has to be relaxed. A

Question 4

The conducting airways with the air that does not undergo gas exchange are known as the

Accepted Answer

A)  inspiratory volume. 
B)  expiratory reserve volume. 
C)  minimal volume. 
D)  residual volume. 
E)  anatomic dead space. 
A)  inspiratory volume. 
B)  expiratory reserve volume. 
C)  minimal volume. 
D)  residual volume. 
E)  anatomic dead space.

Question 5

This is located anterior to the esophagus and carries air to the bronchi.

Accepted Answer

A)  trachea 
B)  larynx 
C)  nasopharynx 
D)  pharynx 
E)  None of these choices. 
A)  trachea 
B)  larynx 
C)  nasopharynx 
D)  pharynx 
E)  None of these choices.

Question 6

What line is pointing to the left terminal bronchiole?

Accepted Answer

A)  G 
B)  N 
C)  H 
D)  A 
E)  None of these choices 
A)  G 
B)  N 
C)  H 
D)  A 
E)  None of these choices

Question 7

Which of the following is a passageway for air and food?

Accepted Answer

A)  pharynx 
B)  larynx 
C)  paranasal sinuses 
D)  trachea 
E)  esophagus 
A)  pharynx 
B)  larynx 
C)  paranasal sinuses 
D)  trachea 
E)  esophagus

Question 8

Which of the below tissues maintains open airways in the lower respiratory system?

Accepted Answer

A)  stratified squamous epithelium with keratin 
B)  ciliated pseudostratified columnar epithelium with goblet cells 
C)  hyaline cartilage 
D)  mucus membrane 
E)  bone 
A)  stratified squamous epithelium with keratin 
B)  ciliated pseudostratified columnar epithelium with goblet cells 
C)  hyaline cartilage 
D)  mucus membrane 
E)  bone

Question 9

These are cells of the alveoli that produce surfactant.

Accepted Answer

A)  type I alveolar cells 
B)  type II alveolar cells 
C)  type III alveolar cells 
D)  surface cells 
E)  macrophages 
A)  type I alveolar cells 
B)  type II alveolar cells 
C)  type III alveolar cells 
D)  surface cells 
E)  macrophages

Question 10

When blood pH drops then the amount of oxyhemoglobin ___ and oxygen delivery to the tissue cells ___.

Accepted Answer

A)  increases, increases 
B)  increases, decreases 
C)  decreases, increases 
D)  decreases, decreases 
E)  does not change, does not change 
A)  increases, increases 
B)  increases, decreases 
C)  decreases, increases 
D)  decreases, decreases 
E)  does not change, does not change

Question 11

Which of the following is not part of the upper respiratory system?

Accepted Answer

A)  nose 
B)  oral cavity 
C)  pharynx 
D)  trachea 
E)  nasal meatuses 
A)  nose 
B)  oral cavity 
C)  pharynx 
D)  trachea 
E)  nasal meatuses

Question 12

This means the lungs and the chest wall expand easily.

Accepted Answer

A)  high surface tension 
B)  low surface tension 
C)  high compliance 
D)  low compliance 
E)  None of these choices 
A)  high surface tension 
B)  low surface tension 
C)  high compliance 
D)  low compliance 
E)  None of these choices

Question 13

The basic rhythm of respiration is controlled by the

Accepted Answer

A)  pons. 
B)  medulla oblongata. 
C)  hypothalamus. 
D)  pneumotaxic area. 
E)  apneustic area. 
A)  pons. 
B)  medulla oblongata. 
C)  hypothalamus. 
D)  pneumotaxic area. 
E)  apneustic area.

Question 14

What is line D pointing to?

Accepted Answer

A)  thyrohyoid membrane 
B)  arytenoid cartilage 
C)  cricothyroid ligament 
D)  cricoid cartilage 
E)  tracheal cartilage 
A)  thyrohyoid membrane 
B)  arytenoid cartilage 
C)  cricothyroid ligament 
D)  cricoid cartilage 
E)  tracheal cartilage

Question 15

Identify the alveolar sac.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 16

Exhalation begins when

Accepted Answer

A)  inspiratory muscles relax. 
B)  the diaphragm contracts. 
C)  blood circulation is the lowest. 
D)  inspiratory muscles relax and the diaphragm contracts. 
E)  All of these choices. 
A)  inspiratory muscles relax. 
B)  the diaphragm contracts. 
C)  blood circulation is the lowest. 
D)  inspiratory muscles relax and the diaphragm contracts. 
E)  All of these choices.

Question 17

Which cells are the main sites of gas exchange?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  All of these choices 
A)  A 
B)  B 
C)  C 
D)  D 
E)  All of these choices

Question 18

Where are the nasal conchae?

Accepted Answer

A)  A 
B)  C 
C)  T 
D)  U 
E)  V 
A)  A 
B)  C 
C)  T 
D)  U 
E)  V

Question 19

Where is the uvula?

Accepted Answer

A)  E 
B)  F 
C)  Q 
D)  S 
E)  U 
A)  E 
B)  F 
C)  Q 
D)  S 
E)  U

Question 20

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on?

Accepted Answer

A)  partial pressure difference of the gases 
B)  surface area for gas exchange 
C)  diffusion distance 
D)  molecular weight and solubility of the gases 
E)  force of contraction of diaphragm 
A)  partial pressure difference of the gases 
B)  surface area for gas exchange 
C)  diffusion distance 
D)  molecular weight and solubility of the gases 
E)  force of contraction of diaphragm

Exam 22: The Respiratory System

The exchange of gases between blood in the systemic capillaries and tissue cells is called

Which is the dominant method of carbon dioxide transport?

For air to enter the lungs during inhalation

The conducting airways with the air that does not undergo gas exchange are known as the

This is located anterior to the esophagus and carries air to the bronchi.

What line is pointing to the left terminal bronchiole?

Which of the following is a passageway for air and food?

Which of the below tissues maintains open airways in the lower respiratory system?

These are cells of the alveoli that produce surfactant.

When blood pH drops then the amount of oxyhemoglobin ___ and oxygen delivery to the tissue cells ___.

Which of the following is not part of the upper respiratory system?

This means the lungs and the chest wall expand easily.

The basic rhythm of respiration is controlled by the

What is line D pointing to?

Identify the alveolar sac.

Exhalation begins when

Which cells are the main sites of gas exchange?

Where are the nasal conchae?

Where is the uvula?

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Introduction to the Nervous System

The Central Nervous System

The Peripheral Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Immunity

The Digestive System

The Urinary System

The Reproductive Systems and Development

Filters

When blood pH drops then the amount of oxyhemoglobin _ and oxygen delivery to the tissue cells _.