Question 1

In which direction does carbon dioxide move during internal respiration?

Accepted Answer

A) from the blood into the tissue cells 
B) from the blood into the lungs 
C) from the lungs into the atmosphere 
D) from the tissue cells into the blood 
E) from the lungs into the blood 
A) from the blood into the tissue cells 
B) from the blood into the lungs 
C) from the lungs into the atmosphere 
D) from the tissue cells into the blood 
E) from the lungs into the blood D

Question 2

Secondary bronchi supply air to the

Accepted Answer

A) lungs. 
B) lobes of the lungs. 
C) lobules of the lungs. 
D) alveoli. 
E) alveolar ducts. 
A) lungs. 
B) lobes of the lungs. 
C) lobules of the lungs. 
D) alveoli. 
E) alveolar ducts. B

Question 3

Functions of the nasal cavity include all of the following except

Accepted Answer

A) filtering the air. 
B) warming the air. 
C) humidifying the air. 
D) housing tonsils. 
E) housing olfactory receptors. 
A) filtering the air. 
B) warming the air. 
C) humidifying the air. 
D) housing tonsils. 
E) housing olfactory receptors. D

Question 4

Most of the oxygen transported by the blood is

Accepted Answer

A) dissolved in plasma. 
B) bound to hemoglobin. 
C) in ionic form as solute in the plasma. 
D) bound to the same protein as carbon dioxide. 
E) carried by white blood cells. 
A) dissolved in plasma. 
B) bound to hemoglobin. 
C) in ionic form as solute in the plasma. 
D) bound to the same protein as carbon dioxide. 
E) carried by white blood cells.

Question 5

During swallowing,the

Accepted Answer

A) intrinsic laryngeal muscles contract. 
B) extrinsic laryngeal muscles contract. 
C) glottis closes. 
D) epiglottis is depressed. 
E) All of the answers are correct. 
A) intrinsic laryngeal muscles contract. 
B) extrinsic laryngeal muscles contract. 
C) glottis closes. 
D) epiglottis is depressed. 
E) All of the answers are correct.

Question 6

Quiet breathing is to ________ as shallow breathing is to ________.

Accepted Answer

A) eupnea; diaphragmatic breathing 
B) eupnea; costal breathing 
C) costal breathing; eupnea 
D) costal breathing; diaphragmatic 
E) diaphragmatic breathing; eupnea 
A) eupnea; diaphragmatic breathing 
B) eupnea; costal breathing 
C) costal breathing; eupnea 
D) costal breathing; diaphragmatic 
E) diaphragmatic breathing; eupnea

Question 7

The ring-shaped cartilage just inferior to the thyroid cartilage is the ________ cartilage.

Accepted Answer

A) epiglottis 
B) cuneiform 
C) corniculate 
D) cricoid 
E) arytenoid 
A) epiglottis 
B) cuneiform 
C) corniculate 
D) cricoid 
E) arytenoid

Question 8

The glottis is

Accepted Answer

A) the soft tissue that hangs off the end of the soft palate. 
B) a flap of elastic cartilage. 
C) the opening to the larynx. 
D) the opening to the pharynx. 
E) part of the hard palate. 
A) the soft tissue that hangs off the end of the soft palate. 
B) a flap of elastic cartilage. 
C) the opening to the larynx. 
D) the opening to the pharynx. 
E) part of the hard palate.

Question 9

Figure 23-2 Mechanics of Ventilation
Use Figure 23-2 to answer the following questions:
-What pressure will be present in the space labeled "4"?

Accepted Answer

A) alveolar pressure 
B) interpleural pressure 
C) subalveolar pressure 
D) intrapleural pressure 
E) atmospheric pressure 
A) alveolar pressure 
B) interpleural pressure 
C) subalveolar pressure 
D) intrapleural pressure 
E) atmospheric pressure

Question 10

The percent of oxygen saturation of hemoglobin when the temperature is 38 degrees centigrade is

Accepted Answer

A) greater than the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
B) less than the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
C) equal to the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
D) equal to the percent of oxygen saturation of hemoglobin when the temperature is 20 degrees centigrade. 
E) None of the answers is correct. 
A) greater than the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
B) less than the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
C) equal to the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade. 
D) equal to the percent of oxygen saturation of hemoglobin when the temperature is 20 degrees centigrade. 
E) None of the answers is correct.

Question 11

Henry's law states that

Accepted Answer

A) gas volume and temperature are directly proportional. 
B) gas volume and pressure are inversely proportional. 
C) the volume of gas that will dissolve in a solvent is proportional to the solubility of the gas and the gas pressure. 
D) in a mixture of gases such as air,the total pressure is the sum of the individual partial pressures of the gases in the mixture. 
E) gas pressure is inversely proportional to gas volume. 
A) gas volume and temperature are directly proportional. 
B) gas volume and pressure are inversely proportional. 
C) the volume of gas that will dissolve in a solvent is proportional to the solubility of the gas and the gas pressure. 
D) in a mixture of gases such as air,the total pressure is the sum of the individual partial pressures of the gases in the mixture. 
E) gas pressure is inversely proportional to gas volume.

Question 12

Which of the following can be calculated if the tidal volume and respiratory rate are known?

Accepted Answer

A) minute volume 
B) inspiratory reserve volume 
C) expiratory reserve volume 
D) anatomical dead space 
E) forced vital capacity 
A) minute volume 
B) inspiratory reserve volume 
C) expiratory reserve volume 
D) anatomical dead space 
E) forced vital capacity

Question 13

The partial pressure of carbon dioxide is greatest in

Accepted Answer

A) venous blood. 
B) alveolar air. 
C) expired air. 
D) inspired air. 
E) arterial blood. 
A) venous blood. 
B) alveolar air. 
C) expired air. 
D) inspired air. 
E) arterial blood.

Question 14

The paired cartilages that articulate with the superior border of the cricoid cartilage are the ________ cartilages.

Accepted Answer

A) cricothyroid 
B) innominate 
C) cuneiform 
D) corniculate 
E) arytenoid 
A) cricothyroid 
B) innominate 
C) cuneiform 
D) corniculate 
E) arytenoid

Question 15

When there is no air movement,the relationship between the intrapulmonary and atmospheric pressure is that

Accepted Answer

A) they are equal. 
B) intrapulmonary pressure is greater than atmospheric. 
C) atmospheric pressure is less than intrapulmonary. 
D) atmospheric pressure is more than intrapulmonary. 
E) intrapulmonary pressure is less than atmospheric. 
A) they are equal. 
B) intrapulmonary pressure is greater than atmospheric. 
C) atmospheric pressure is less than intrapulmonary. 
D) atmospheric pressure is more than intrapulmonary. 
E) intrapulmonary pressure is less than atmospheric.

Question 16

External respiration involves the

Accepted Answer

A) movement of air into and out of the lungs. 
B) diffusion of gases between the alveoli and the circulating blood. 
C) exchange of dissolved gases between the blood and the interstitial fluid. 
D) binding of oxygen by hemoglobin. 
E) utilization of oxygen by tissues to support metabolism. 
A) movement of air into and out of the lungs. 
B) diffusion of gases between the alveoli and the circulating blood. 
C) exchange of dissolved gases between the blood and the interstitial fluid. 
D) binding of oxygen by hemoglobin. 
E) utilization of oxygen by tissues to support metabolism.

Question 17

Air moves out of the lungs when the pressure inside the lungs is

Accepted Answer

A) greater than intraalveolar pressure. 
B) less than the pressure in the atmosphere. 
C) less than intrapulmonic pressure. 
D) equal to the pressure in the atmosphere. 
E) greater than the pressure in the atmosphere. 
A) greater than intraalveolar pressure. 
B) less than the pressure in the atmosphere. 
C) less than intrapulmonic pressure. 
D) equal to the pressure in the atmosphere. 
E) greater than the pressure in the atmosphere.

Question 18

The elastic cartilage that covers the opening to the larynx during swallowing is the

Accepted Answer

A) thyroid cartilage. 
B) cricoid cartilage. 
C) corniculate cartilage. 
D) cuneiform cartilage. 
E) epiglottis. 
A) thyroid cartilage. 
B) cricoid cartilage. 
C) corniculate cartilage. 
D) cuneiform cartilage. 
E) epiglottis.

Question 19

The conchae

Accepted Answer

A) divide the nasal cavity into a right and a left side. 
B) provide an opening into the pharynx. 
C) provide a increase in surface area for the sense of smell. 
D) create turbulence in the air to trap particulate matter in mucus. 
E) provide an opening to paranasal sinuses. 
A) divide the nasal cavity into a right and a left side. 
B) provide an opening into the pharynx. 
C) provide a increase in surface area for the sense of smell. 
D) create turbulence in the air to trap particulate matter in mucus. 
E) provide an opening to paranasal sinuses.

Question 20

Pneumotaxic centers in the pons

Accepted Answer

A) inhibit the apneustic centers. 
B) promote passive or active exhalation. 
C) receive input from the hypothalamus and cerebrum. 
D) modify respiratory rate and depth. 
E) All of the answers are correct. 
A) inhibit the apneustic centers. 
B) promote passive or active exhalation. 
C) receive input from the hypothalamus and cerebrum. 
D) modify respiratory rate and depth. 
E) All of the answers are correct.

Exam 23: The Respiratory System

In which direction does carbon dioxide move during internal respiration?

Secondary bronchi supply air to the

Functions of the nasal cavity include all of the following except

Most of the oxygen transported by the blood is

During swallowing,the

Quiet breathing is to ________ as shallow breathing is to ________.

The ring-shaped cartilage just inferior to the thyroid cartilage is the ________ cartilage.

The glottis is

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: -What pressure will be present in the space labeled "4"?

The percent of oxygen saturation of hemoglobin when the temperature is 38 degrees centigrade is

Henry's law states that

Which of the following can be calculated if the tidal volume and respiratory rate are known?

The partial pressure of carbon dioxide is greatest in

The paired cartilages that articulate with the superior border of the cricoid cartilage are the ________ cartilages.

When there is no air movement,the relationship between the intrapulmonary and atmospheric pressure is that

External respiration involves the

Air moves out of the lungs when the pressure inside the lungs is

The elastic cartilage that covers the opening to the larynx during swallowing is the

The conchae

Pneumotaxic centers in the pons

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Quiet breathing is to as shallow breathing is to .