Deck 14: The Respiratory System

Question 1

The trachea divides into the right and left primary _______.

A) larynx
B) pharynx
C) bronchioles
D) bronchi

Answer 1

D

Question 2

During swallowing, a flap of tissue, the _______, automatically closes off the larynx so food cannot enter the lower airway.

A) epiglottis
B) glottis
C) hilus
D) tracheal flap

Answer 2

A

Question 3

The lungs are large, paired, spongy organs that occupy the _______ cavity.

A) pericardial
B) dorsal
C) thoracic
D) lumbar

Answer 3

C

Question 4

Air enters the _______, the superior part of the pharynx.

A) oropharynx
B) nasopharynx
C) laryngopharynx
D) glottis

Question 5

The opening into the larynx is the _______.

A) epiglottis
B) glottis
C) laryngopharynx
D) trachea

Question 6

Specialized receptors called _______ in the medulla and in the walls of the aorta and carotid arteries are sensitive to changes in arterial carbon dioxide concentration.

A) chemoreceptors
B) baroreceptors
C) nociceptors
D) carboreceptors

Question 7

During inspiration, when the volume of the lungs increases, _______.

A) air moves out of the lungs
B) oxygen moves out of the lungs
C) air moves into the lungs
D) air pressure in the lungs increases

Question 8

Carbon dioxide is transported in the blood mainly _______.

A) as bicarbonate ions
B) dissolved in the plasma
C) attached to hemoglobin
D) as carbonic acid

Question 9

_______ is the exchange of gases between the body and its environment.

A) Expiration
B) Respiration
C) Inhalation
D) Exhalation

Question 10

The _______ is a strong, dome-shaped muscle and is the floor of the thoracic cavity.

A) alveolus
B) diaphragm
C) intercostal
D) visceral pleura

Question 11

_______ cells within the lining of the nose produce more than a pint of mucus a day.

A) White blood
B) Immune
C) Ciliated
D) Mucous

Question 12

Respiration supplies the cells of the body with _______ and rids them of _______.

A) oxygen; carbon dioxide
B) carbon dioxide; oxygen
C) oxygen; nitrogen
D) carbon dioxide; nitrogen

Question 13

Blood vessels and nerves enter and leave the lung at the _______.

A) hilus
B) bronchial tree
C) glottis
D) diaphragm

Question 14

The correct sequence of airflow into the body is _______.

A) nasal cavities pharynx larynx trachea bronchus bronchioles alveoli
B) nasal cavities larynx pharynx trachea bronchus bronchioles alveoli
C) nasal cavities pharynx larynx trachea bronchioles bronchus alveoli
D) nasal cavities larynx pharynx trachea bronchioles bronchus alveoli

Question 15

The rate, depth, and rhythm of breathing are regulated by the respiratory centers in the _______ and ______.

A) medulla; heart
B) medulla; pons
C) pons; lungs
D) lungs; heart

Question 16

The _______ is often referred to as the voice box.

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

Question 17

The respiratory system consists of the _______ and the _______.

A) lungs; pulmonary arteries
B) trachea; alveoli
C) airway; pulmonary vessels and nerves
D) lungs; airway

Question 18

The wall of an alveolus consists of _______.

A) stratified squamous epithelium with mucous cells
B) an epithelial lining resting on a thick layer of connective tissue
C) a single layer of epithelial cells containing macrophages and plasma cells
D) a single layer of epithelial cells and elastic fibers

Question 19

_______ is the movement of air into and out of the lungs and is generally accomplished by breathing.

A) Cardiac ventilation
B) Pulmonary ventilation
C) Cardiac respiration
D) Pulmonary expiration

Question 20

_______ increases the chances that inhaled particles are trapped by mucus and do not enter the lungs.

A) Bronchial constriction
B) CPR
C) Bronchitis
D) Oxyhemoglobin

Question 21

Air passes into the nose through its two openings, the _______, or nostrils.

A) nasal septum
B) sinuses
C) nares
D) bronchioles

Question 22

Chronic bronchitis and emphysema are chronic _______ diseases that have been linked to smoking and breathing polluted air.

A) coronary
B) lung capillary
C) pulmonary
D) alveolar

Question 23

All of the following pairs are synonymous except _______.

A) bronchioles and alveoli
B) trachea and windpipe
C) inspiration and inhalation
D) pharynx and throat

Question 24

During inspiration, the _______.

A) diaphragm contracts and flattens and the intercostal muscles contract
B) diaphragm and intercostal muscles relax, permitting the elastic tissues of the lung to recoil
C) diaphragm does not play a role
D) external intercostal muscles relax

Question 25

Carbon dioxide is transported in the blood mostly as _______.

A) carbon dioxide dissolved in the plasma
B) carboxyhemoglobin
C) bicarbonate ions
D) carbonic acid

Question 26

Impulses from the medulla reach the diaphragm by way of the _______ nerves.

A) vagus
B) phrenic
C) tracheal
D) sciatic

Question 27

The _______, or windpipe, is located anterior to the esophagus.

A) larynx
B) trachea
C) bronchus
D) glottis

Question 28

Expired air has more than 100 times more _______ than air inspired from the environment.

A) oxygen
B) surfactant
C) hydrogen
D) carbon dioxide

Question 29

The vital link between the alveoli and the body cells is the _______.

A) bronchial tree
B) diaphragm
C) circulatory system
D) lungs

Question 30

The cilia-propelled mucus elevator keeps foreign material out of the _______.

A) stomach
B) lungs
C) nasal septum
D) vocal cords

Question 31

The _______ is more popularly known as the voice box.

A) pharynx
B) larynx
C) trachea
D) bronchioles

Question 32

Each lung is covered with a(n) _______, which forms a sac enclosing the lung and continues as the lining of the thoracic cavity.

A) mass of capillaries
B) pleural membrane
C) parietal pleura
D) intercostal muscle

Question 33

The opening into the larynx is the _______.

A) glottis
B) epiglottis
C) Adam's apple
D) trachea

Question 34

A decrease in carbon dioxide inhibits _______, resulting in slower breathing.

A) chemoreceptors
B) the phrenic center in the pons
C) the alveoli
D) capillaries in the lungs

Question 35

Hemoglobin forms a weak bond with ________ to be transported in the blood.

A) carbon monoxide
B) nitrogen
C) bicarbonate ions
D) oxygen

Question 36

_______ increase(s) the chances that inhaled particles are trapped by mucus and do not enter the lungs.

A) Rapid breathing
B) Slow breathing
C) Macrophages in the trachea
D) Bronchial constriction

Question 37

During cellular respiration, _______ is produced as a waste product.

A) oxygen
B) nitrogen
C) carbon dioxide
D) glucose

Question 38

Breathing is regulated by _______.

A) respiratory centers in the medulla and pons
B) oxygen concentration in the blood
C) diffusion of oxygen and carbon dioxide
D) buffers in the blood

Question 39

The bony structures that increase the surface area in the nose are the _______.

A) nasal septa
B) nostrils
C) bronchioles
D) conchae

Question 40

Alveoli are coated by a thin film of _______, a substance that prevents the alveoli from collapsing.

A) mucus
B) carbonic acid
C) oxygen
D) surfactant

Question 41

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
G __________

Question 42

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
C __________

Question 43

Why does the body produce more mucus during infections and allergic reactions?

Question 44

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
A __________

Question 45

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
H __________

Question 46

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
E __________

Question 47

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
B __________

Question 48

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
F __________

Question 49

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
I __________

Question 50

MATCHING
Fill in the correct labels for the following figure using the word bank below.

a.Trachea
b.Diaphragm
c.Larynx
d.Sinuses
e.Respiratory centers
f.Nasal conchae
g.Left lung
h.Epiglottis
i.Primary bronchus
D __________