Question 1

What is the transport mechanism necessary for the movement of oxygen from the alveoli across the pulmonary capillary membranes into the blood?

Accepted Answer

A)  osmosis 
B)  filtration 
C)  diffusion 
D)  active transport pump 
A)  osmosis 
B)  filtration 
C)  diffusion 
D)  active transport pump

Question 2

Which of the following is most likely to cause pulmonary edema?

Accepted Answer

A)  bronchitis 
B)  coryza 
C)  exercise-induced asthma 
D)  left ventricular heart failure 
A)  bronchitis 
B)  coryza 
C)  exercise-induced asthma 
D)  left ventricular heart failure

Question 3

Hypoventilation decreases the respiratory excretion of

Accepted Answer

A)  oxygen. 
B)  water. 
C)  carbon dioxide. 
D)  albumin. 
A)  oxygen. 
B)  water. 
C)  carbon dioxide. 
D)  albumin.

Question 4

Intra-alveolar surface tension is due to

Accepted Answer

A)  acid. 
B)  mucus. 
C)  water. 
D)  bicarbonate. 
A)  acid. 
B)  mucus. 
C)  water. 
D)  bicarbonate.

Question 5

The collection of mucus in the lower airways is most likely to cause

Accepted Answer

A)  laryngospasm. 
B)  pneumothorax. 
C)  atelectasis. 
D)  pharyngitis. 
A)  laryngospasm. 
B)  pneumothorax. 
C)  atelectasis. 
D)  pharyngitis.

Question 6

Bronchiolar constriction is most likely to cause

Accepted Answer

A)  pneumothorax. 
B)  pulmonary edema. 
C)  wheezing. 
D)  laryngitis. 
A)  pneumothorax. 
B)  pulmonary edema. 
C)  wheezing. 
D)  laryngitis.

Question 7

Which of the following structures is located in the lungs?

Accepted Answer

A)  pharynx 
B)  epiglottis 
C)  alveoli 
D)  larynx 
A)  pharynx 
B)  epiglottis 
C)  alveoli 
D)  larynx

Question 8

The respiratory passages are lined with

Accepted Answer

A)  pleura. 
B)  mucous membrane. 
C)  serous membrane. 
D)  muscle. 
A)  pleura. 
B)  mucous membrane. 
C)  serous membrane. 
D)  muscle.

Question 9

The central chemoreceptors are primarily sensitive to blood levels of

Accepted Answer

A)  oxygen. 
B)  carbon dioxide and [H⁺]. 
C)  sodium. 
D)  potassium. 
A)  oxygen. 
B)  carbon dioxide and [H⁺]. 
C)  sodium. 
D)  potassium.

Question 10

Which group is incorrect?

Accepted Answer

A)  structures of the bronchial tree:trachea,bronchi,bronchioles,alveoli 
B)  paranasal sinuses:frontal,maxillary,sphenoidal,ethmoidal 
C)  structures of the upper respiratory tract:trachea,pharynx,larynx 
D)  parts of the pharynx:oropharynx,nasopharynx,laryngopharynx 
A)  structures of the bronchial tree:trachea,bronchi,bronchioles,alveoli 
B)  paranasal sinuses:frontal,maxillary,sphenoidal,ethmoidal 
C)  structures of the upper respiratory tract:trachea,pharynx,larynx 
D)  parts of the pharynx:oropharynx,nasopharynx,laryngopharynx

Question 11

The lungs are located within the

Accepted Answer

A)  mediastinum.
22-PAGE 2
Test Bank 
B)  dorsal cavity. 
C)  spinal cavity. 
D)  thoracic cavity. 
A)  mediastinum.
22-PAGE 2
Test Bank 
B)  dorsal cavity. 
C)  spinal cavity. 
D)  thoracic cavity.

Question 12

Which of the following contributes to the wheezing of asthma?

Accepted Answer

A)  constriction of the bronchiolar smooth muscle 
B)  edema of the vocal cords 
C)  inflammation of the trachea and pharynx 
D)  pneumothorax 
A)  constriction of the bronchiolar smooth muscle 
B)  edema of the vocal cords 
C)  inflammation of the trachea and pharynx 
D)  pneumothorax

Question 13

The diaphragm

Accepted Answer

A)  is smooth muscle that forms the bronchioles. 
B)  is skeletal muscle. 
C)  contracts in response to the firing of the vagus nerve. 
D)  forms the outer lining of the lungs. 
A)  is smooth muscle that forms the bronchioles. 
B)  is skeletal muscle. 
C)  contracts in response to the firing of the vagus nerve. 
D)  forms the outer lining of the lungs.

Question 14

The Adam's apple is

Accepted Answer

A)  cartilage. 
B)  the epiglottis. 
C)  the primary site of gas exchange. 
D)  the pharynx. 
A)  cartilage. 
B)  the epiglottis. 
C)  the primary site of gas exchange. 
D)  the pharynx.

Question 15

Frontal,maxillary,sphenoidal,and ethmoidal

Accepted Answer

A)  refer to the bones of the thorax. 
B)  are saliva-secreting glands. 
C)  are paranasal sinuses. 
D)  are lined with serous membrane. 
A)  refer to the bones of the thorax. 
B)  are saliva-secreting glands. 
C)  are paranasal sinuses. 
D)  are lined with serous membrane.

Question 16

Which of the following events occurs last?

Accepted Answer

A)  contraction of the diaphragm and the intercostals 
B)  movement of air into the lungs 
C)  firing of the inspiratory neurons in the medulla 
D)  firing of the phrenic and intercostal nerves 
A)  contraction of the diaphragm and the intercostals 
B)  movement of air into the lungs 
C)  firing of the inspiratory neurons in the medulla 
D)  firing of the phrenic and intercostal nerves

Question 17

Across which structure does most gas exchange occur?

Accepted Answer

A)  trachea 
B)  bronchus 
C)  bronchioles 
D)  alveoli 
A)  trachea 
B)  bronchus 
C)  bronchioles 
D)  alveoli

Question 18

Kussmaul respirations

Accepted Answer

A)  cause hypoxemia. 
B)  increase PCO2. 
C)  are increased respiratory activity due to acidosis. 
D)  are caused by a decrease in the plasma [H⁺]. 
A)  cause hypoxemia. 
B)  increase PCO2. 
C)  are increased respiratory activity due to acidosis. 
D)  are caused by a decrease in the plasma [H⁺].

Question 19

A preterm infant is most likely to develop respiratory distress because of

Accepted Answer

A)  bacterial pneumonia. 
B)  a deficiency of surfactant. 
C)  excess mucus within the upper airways. 
D)  an inability of the immature diaphragm to contract. 
A)  bacterial pneumonia. 
B)  a deficiency of surfactant. 
C)  excess mucus within the upper airways. 
D)  an inability of the immature diaphragm to contract.

Question 20

What is the effect of an overdose of an opioid (narcotic)?

Accepted Answer

A)  alters the shape of the hemoglobin so that it cannot bind to oxygen 
B)  depresses the medulla oblongata and depresses ventilation 
C)  causes spasm of the epiglottis resulting in an upper airway obstruction 
D)  causes hyperventilation and alkalosis 
A)  alters the shape of the hemoglobin so that it cannot bind to oxygen 
B)  depresses the medulla oblongata and depresses ventilation 
C)  causes spasm of the epiglottis resulting in an upper airway obstruction 
D)  causes hyperventilation and alkalosis

Exam 22: Respiratory System

What is the transport mechanism necessary for the movement of oxygen from the alveoli across the pulmonary capillary membranes into the blood?

Which of the following is most likely to cause pulmonary edema?

Hypoventilation decreases the respiratory excretion of

Intra-alveolar surface tension is due to

The collection of mucus in the lower airways is most likely to cause

Bronchiolar constriction is most likely to cause

Which of the following structures is located in the lungs?

The respiratory passages are lined with

The central chemoreceptors are primarily sensitive to blood levels of

Which group is incorrect?

The lungs are located within the

Which of the following contributes to the wheezing of asthma?

The diaphragm

The Adam's apple is

Frontal,maxillary,sphenoidal,and ethmoidal

Which of the following events occurs last?

Across which structure does most gas exchange occur?

Kussmaul respirations

A preterm infant is most likely to develop respiratory distress because of

What is the effect of an overdose of an opioid (narcotic)?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Digestive System

Urinary System

Water,Electrolyte,and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters