Question 1

Identify the structure shown here.

Accepted Answer

A) Pharynx 
B) Trachea 
C) Larynx 
D) Laryngopharynx 
A) Pharynx 
B) Trachea 
C) Larynx 
D) Laryngopharynx C

Question 2

One function of the respiratory system is to maintain blood pH.

Accepted Answer

A) True 
 B)False  True

Question 3

When does the muscle labeled C contract?

Accepted Answer

A) During forced exhalation 
B) During inhalation 
C) During passive exhalation 
D) During inhalation and exhalation 
A) During forced exhalation 
B) During inhalation 
C) During passive exhalation 
D) During inhalation and exhalation B

Question 4

Tertiary bronchi lead to bronchioles.

Accepted Answer

A) True 
 B)False

Question 5

The nasal cavity is divided into right and left sides by the:

Accepted Answer

A) external nares. 
B) nasal septum. 
C) internal nares. 
D) uvula. 
A) external nares. 
B) nasal septum. 
C) internal nares. 
D) uvula.

Question 6

According to Boyle's law,

Accepted Answer

A) volume increases with decreased temperature. 
B) pressure decreases with decreased volume. 
C) pressure increases with decreased volume. 
D) volume increases with increased pressure. 
A) volume increases with decreased temperature. 
B) pressure decreases with decreased volume. 
C) pressure increases with decreased volume. 
D) volume increases with increased pressure.

Question 7

The nostrils are also known as:

Accepted Answer

A) the external nares. 
B) the nasal cavity. 
C) the upper respiratory. 
D) the nose. 
A) the external nares. 
B) the nasal cavity. 
C) the upper respiratory. 
D) the nose.

Question 8

Tuberculosis is on the rise again because antibiotic-resistant,tubercular bacterial strains have now appeared.

Accepted Answer

A) True 
 B)False

Question 9

Identify this structure.

Accepted Answer

A) Pharynx 
B) Esophagus 
C) Bronchi 
D) Trachea 
A) Pharynx 
B) Esophagus 
C) Bronchi 
D) Trachea

Question 10

The exchange of gases occurs in the:

Accepted Answer

A) trachea. 
B) terminal bronchioles. 
C) primary bronchus. 
D) alveoli. 
A) trachea. 
B) terminal bronchioles. 
C) primary bronchus. 
D) alveoli.

Question 11

Chemoreceptors in the carotid artery and aorta detect:

Accepted Answer

A) levels of oxygen only. 
B) levels of carbon dioxide only. 
C) levels of carbon monoxide only. 
D) levels of oxygen and carbon dioxide. 
A) levels of oxygen only. 
B) levels of carbon dioxide only. 
C) levels of carbon monoxide only. 
D) levels of oxygen and carbon dioxide.

Question 12

How is oxygen able to move in the direction indicated in this diagram?

Accepted Answer

A) Partial pressure of oxygen is lower in the blood 
B) Partial pressure of oxygen is higher in the blood 
C) The cells of the lungs are actively transporting oxygen 
D) The cells of the blood are actively transporting oxygen 
A) Partial pressure of oxygen is lower in the blood 
B) Partial pressure of oxygen is higher in the blood 
C) The cells of the lungs are actively transporting oxygen 
D) The cells of the blood are actively transporting oxygen

Question 13

The fleshy tab of tissue that hangs down the back of the throat is:

Accepted Answer

A) the uvula. 
B) the oropharynx. 
C) the internal nares. 
D) the epiglottis. 
A) the uvula. 
B) the oropharynx. 
C) the internal nares. 
D) the epiglottis.

Question 14

The serous membrane covering the lungs is:

Accepted Answer

A) the pleura. 
B) the pericardium. 
C) the peritoneum. 
D) the meninges. 
A) the pleura. 
B) the pericardium. 
C) the peritoneum. 
D) the meninges.

Question 15

Hemoglobin has a higher affinity for carbon monoxide than for oxygen.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is the exchange of gases between the blood and the cells of the body?

Accepted Answer

A) Ventilation 
B) External respiration 
C) Internal respiration 
D) Transport of oxygen in the blood 
A) Ventilation 
B) External respiration 
C) Internal respiration 
D) Transport of oxygen in the blood

Question 17

Which parts of the brain set your breathing rate?

Accepted Answer

A) Medulla oblongata and pons 
B) Cerebellum and pons 
C) Limbic system and pons 
D) Prefrontal cortex and pons 
A) Medulla oblongata and pons 
B) Cerebellum and pons 
C) Limbic system and pons 
D) Prefrontal cortex and pons

Question 18

Which of the following belongs to the upper respiratory tract?

Accepted Answer

A) Alveoli 
B) Bronchi 
C) Trachea 
D) Nasal cavity 
A) Alveoli 
B) Bronchi 
C) Trachea 
D) Nasal cavity

Question 19

What would happen if there was a hole in structure B?

Accepted Answer

A) More air would enter the lung. 
B) The lung would collapse. 
C) The lung would expand more than usual. 
D) Nothing would change because a clot would form and quickly seal it. 
A) More air would enter the lung. 
B) The lung would collapse. 
C) The lung would expand more than usual. 
D) Nothing would change because a clot would form and quickly seal it.

Question 20

Why does a boy's voice change when he goes through puberty?

Accepted Answer

A) Estrogen makes the vocal cords thinner. 
B) Estrogen makes the vocal cords longer. 
C) Testosterone makes the vocal cords shorter. 
D) Testosterone makes the vocal cords thicker. 
A) Estrogen makes the vocal cords thinner. 
B) Estrogen makes the vocal cords longer. 
C) Testosterone makes the vocal cords shorter. 
D) Testosterone makes the vocal cords thicker.

Exam 13: The Respiratory System: Movement of Air

Identify the structure shown here.

One function of the respiratory system is to maintain blood pH.

When does the muscle labeled C contract?

Tertiary bronchi lead to bronchioles.

The nasal cavity is divided into right and left sides by the:

According to Boyle's law,

The nostrils are also known as:

Tuberculosis is on the rise again because antibiotic-resistant,tubercular bacterial strains have now appeared.

Identify this structure.

The exchange of gases occurs in the:

Chemoreceptors in the carotid artery and aorta detect:

How is oxygen able to move in the direction indicated in this diagram?

The fleshy tab of tissue that hangs down the back of the throat is:

The serous membrane covering the lungs is:

Hemoglobin has a higher affinity for carbon monoxide than for oxygen.

Which of the following is the exchange of gases between the blood and the cells of the body?

Which parts of the brain set your breathing rate?

Which of the following belongs to the upper respiratory tract?

What would happen if there was a hole in structure B?

Why does a boy's voice change when he goes through puberty?

What Is Life

Where Do We Come From and Where Do We Fit

Life Has a Unique Chemistry

Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

Cancer

The Cardiovascular System

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

Populations Evolve in Ecosystems

Filters