Ch 9 Practice

Question 1

Ventilation has ____ phases.

Answer 1

2

Question 2

Select all of the following that describe inspiration:
A. Pressure in lungs decreases
B. Pressure in lungs increases
C. Rib cage moves up and out
D. Diaphragm contracts and moves down.

Answer 2

A. Pressure in lungs decreases
C. Rib cage moves up and out
D. Diaphragm contracts and moves down.

Question 3

What is the order of structures in from which air enters the body to the terminal location of air in the lungs?

Answer 3

1 Nasal cavity
2 Pharynx
3 Larynx
4 Bronchus
5 Bronchioles
6 Alveoli

Question 4

What occurs when the respiratory center stops sending nerve signals to the diaphragm and the rib cage?

Answer 4

Muscles relax and expiration occurs

Question 5

The exchange of gases between air in the alveoli and blood in the pulmonary capillaries is called ________ respiration.

Answer 5

External

Question 6

Select all of the following that describes the respirator control center:
A. Located in the medulla oblongata
B. Automatically controls depth of breathing
C. Automatically controls rate of breathing
D. Automatically changes osmotic pressure in the tissues

Answer 6

A. Located in the medulla oblongata
B. Automatically controls depth of breathing
C. Automatically controls rate of breathing

Question 7

Gas exchange that occurs between the tissues of the body and the blood is called:

Answer 7

Internal respiration

Question 8

Which of the following describes the vocal chords?
A. Vibrates and produces sound
B. Located in larynx
C. Mucosal folds supported by elastic ligaments
D. Pushes food down toward stomach

Answer 8

A. Vibrates and produces sound
B. Located in larynx
C. Mucosal folds supported by elastic ligaments

Question 9

Sounds are being made by air moving through an opening in the larynx called the ________.

Answer 9

Glottis

Question 10

The ______ are the smallest compartments of the lungs.

Answer 10

Alveoli

Question 11

Select all of the following that describes expiration:
A. Pressure in the lungs increases
B. Internal intercostal muscles pull the ribs inward
C. Diaphragm relaxes and moves up
D. Rib cage moves down and in
E. Pressure in the lungs decreases

Answer 11

A. Pressure in the lungs increases
B. Internal intercostal muscles pull the ribs inward
C. Diaphragm relaxes and moves up
D. Rib cage moves down and in

Question 12

The cartilaginous organ between the pharynx and the trachea, which contains the vocal chords in humans is called the ________.

Answer 12

Larynx

Question 13

What is the surgical procedure used to make an unblocked breathing passage in the neck?

Answer 13

Tracheostomy

Question 14

Breathing is under ______ control and ______ control

Answer 14

Nervous, chemical

Question 15

In what structures does inhaled air complete its path to the lungs?

Answer 15

Alveoli

Question 16

What is the respiratory passage that leads directly into the lung?

Answer 16

Bronchus

Question 17

Which of the following are symptoms of sinusitis?
A. Facial pain that worsens when a patient bends forward
B. Postnasal discharge
C. Pan and tenderness usually over the lower forehead
D. Pain and tenderness in the jaw

Answer 17

A. Facial pain that worsens when a patient bends forward
B. Postnasal discharge
C. Pan and tenderness usually over the lower forehead

Question 18

The windpipe is also called the _____.

Answer 18

Trachea

Question 19

The bronchi branch and divide into smaller passageways called ______.

Answer 19

Bronchioles

Question 20

Select all of the following that can cause pneumonia:
A. Plants
B. Fungi
C. Bacteria
D. Viruses

Answer 20

B. Fungi
C. Bacteria
D. Viruses

Question 21

How does the respiratory control center respond when the pH of the blood becomes more acidic?

Answer 21

It increases the rate and depth of breathing

Question 22

Rank the order of physiological events that occur when you hold your breath, first to last.

Answer 22

1. Forced inspiration
2. Stretch receptor signaling
3. Inhibitory signal to respiratory center
4. Signal to inspiration halted

Question 23

Te portion of the respiratory system that connects the oral cavity to the larynx is the:

Answer 23

Pharynx

Question 24

Ventilation includes which of the following:
A. Inspiration
B. Transport of gases from tissues to lungs
C. Transport of gases from lungs to tissues
D. Expiration

Answer 24

A. Inspiration

D. Expiration

Question 25

What is the purpose of cartilage rings in the trachea?

Answer 25

To keep the trachea open; prevents is from collapsing

Question 26

Which of the following describes chronic bronchitis? A. Airways are dry or dessicated B. Airways are inflamed C. Muscle spasms in the bronchioles D. Loss of cilia and their normal cleansing action E. Airways are filled with mucus

Answer 26

B. Airways are inflamed D. Loss of cilia and their normal cleansing action E. Airways are filled with mucus

Question 27

The majority of oxygen is carried through the body bound to _______.

Answer 27

Hemoglobin

Question 28

A streptococcus pyrogens infection is a common example of a(n) ______ ________ infection.

Answer 28

Upper respiratory

Question 29

Irritants can cause smooth muscle spasms in the bronchioles called a(n) ______ attack.

Answer 29

Asthma

Question 30

Air is _____, ______, and ______ as it enters the human respiratory system.

Answer 30

Filtered, warmed, humidified

Question 31

What volume describes a forced inspiration of the maximum amount of air?

Answer 31

Inspiratory reserve volume

Question 32

What is the purpose of the hair located in the nasal cavity?

Answer 32

Filter the air

Question 33

After carbon dioxide diffuses into the blood, most enters the red blood cells, where a small amount is taken up by hemoglobin, forming

Answer 33

Carbaminohemoglobin

Question 34

What are symptoms of a middle ear infection?

Answer 34

* Sense of fullness * Vertigo * Pain * Hearing loss

Question 35

The breakdown of carbonic acid to form bicarbonate ions occurs in the _______.

Answer 35

Red blood cells

Question 36

The two cone-shaped organs on either side of the heart in the thoracic cavity are the ______.

Answer 36

Lungs

Question 37

The respiratory disorder that permanently decreases the surface area for gas exchange in the lungs is called:

Answer 37

Emphysema

Question 38

``` What descriptors define pleurisy? A. Inflammation of bronchioles B. A loss of surface tension C. A bacterial or fungal infection D. Inflammation of the lung membranes E. Painful breathing and coughing ```

Answer 38

D. Inflammation of the lung membranes | E. Painful breathing and coughing

Question 39

``` Which of the following pertains to inflamed, enlarged tonsils? A. Sinusitis B. Otitis media C. Tonsillitis D. Laryngitis ```

Answer 39

C. Tonsillitis