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Viewing:

The Respiratory System

front 1

Which of the following is not part of the upper respiratory system?

  1. Nose
  2. Oral cavity
  3. Pharynx
  4. Trachea
  5. Nasal meatuses

back 1

D

front 2

The conducting zone does NOT act to

  1. Clean air of debris
  2. Conduct air into the lungs
  3. Add water to air
  4. Warm air
  5. All of the above

back 2

E

front 3

The nose connects with the pharynx through the

  1. Septal cartilage
  2. External nares
  3. Choanae
  4. Uvula
  5. Nasal meatuses

back 3

C

front 4

Which of the following is a passageway for air, food and water?

  1. Pharynx
  2. Larynx
  3. Paranasal sinuses
  4. Trachea
  5. Esophagus

back 4

A

front 5

The opening to the pharynx from the mouth is called

  1. Palatine
  2. Hypopharynx
  3. Meatuses
  4. Fauces
  5. Vestibule

back 5

D

front 6

This structure prevents food or water from entering the trachea.

  1. Arytenoid cartilage
  2. Epiglottis
  3. Nasopharynx
  4. Thyroid cartilage
  5. Paranasal sinus

back 6

B

front 7

During swallowing, which structure rises?

  1. Pharynx
  2. esophagus
  3. Trachea
  4. Palatine tonsils
  5. Primary bronchi

back 7

A

front 8

These are triangular pieces of mostly hyaline cartilage located at the posterior and superior border of the cricoid cartilage.

  1. Corniculate cartilage
  2. Arytenoids cartilage
  3. Cricotracheal cartilage
  4. Cuneiform cartilage
  5. Laryngeal cartilage

back 8

B

front 9

Pitch is controlled by

  1. Vibration of the vocal chords
  2. Tension of the vocal chords
  3. Layers of cartilage in the vocal chords
  4. Arrangement of the vocal chords
  5. None of the above

back 9

B

front 10

This is located anterior to the esophagus and carries air to the bronchi.

  1. Trachea
  2. Larynx
  3. Nasopharynx
  4. Pharynx
  5. None of the above

back 10

A

front 11

This is the primary gas exchange site.

  1. Trachea
  2. Bronchiole
  3. Nasal sinuses
  4. Alveolus
  5. Bronchus

back 11

D

front 12

Which of the below tissues maintains open airways in the lower respiratory system?

  1. stratified squamous epithelium with keratin
  2. ciliated pseudostratified columnar epithelium with goblet cells
  3. hyaline cartilage
  4. mucus membrane
  5. bone

back 12

C

front 13

Which of the below tissues provides the functions of the inner layer of the conducting organs?

  1. stratified squamous epithelium with keratin
  2. ciliated pseudostratified columnar epithelium with goblet cells
  3. cilated cuboidal epithelium with goblet cells
  4. transitional epithelium with cilia
  5. columnar connective tissue with goblet cells

back 13

B

front 14

The point where the trachea divides into right and left primary bronchi is a ridge called

  1. Carina
  2. Secondary bronchioles
  3. Parietal pleura
  4. Visceral pleura
  5. Diaphragm

back 14

A

front 15

Which of the below tissues forms the exchange surfaces of the alveolus?

  1. stratified squamous epithelium
  2. ciliated pseudostratified columnar epithelium with goblet cells
  3. simple squamous epithelium
  4. hyaline cartilage
  5. columnar connective tissue with goblet cells

back 15

C

front 16

These are cells of the alveoli that produce surfactant.

  1. Type I alveolar cells
  2. Type II alveolar cells
  3. Type III alveolar cells
  4. Surface cells
  5. Macrophages

back 16

B

front 17

This is direction of diffusion of gases at capillaries near systemic cells.

  1. Oxygen into blood , Carbon dioxide into blood
  2. Oxygen out of blood , Carbon dioxide into blood
  3. Oxygen into blood , Carbon dioxide out of blood
  4. Oxygen out of blood , Carbon dioxide out of blood

back 17

B

front 18

This is direction of diffusion of gases at the alveoli of the lungs.

  1. Oxygen into blood , Carbon dioxide into blood
  2. Oxygen out of blood , Carbon dioxide into blood
  3. Oxygen into blood , Carbon dioxide out of blood
  4. Oxygen out of blood , Carbon dioxide out of blood

back 18

C

front 19

Exhalation begins when

  1. Inspiratory muscles relax
  2. Diaphragm contracts
  3. Blood circulation is the lowest
  4. Both A and B
  5. All of the above

back 19

A

front 20

This means the lungs and the chest wall expand easily.

  1. High surface tension
  2. Low surface tension
  3. High compliance
  4. Low compliance
  5. None of the above

back 20

C

front 21

The conducting airways with the air that does not undergo respiratory exchange are known as the

  1. Inspiratory volume
  2. Expiratory reserve volume
  3. Minimal volume
  4. Residual volume
  5. Respiratory dead space

back 21

E

front 22

This is the sum of the residual and the expiratory reserve volume.

  1. Total lung capacity
  2. Functional residual capacity
  3. Inspiratory capacity
  4. Vital capacity
  5. Minimal volume

back 22

B

front 23

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on.

  1. Partial pressure difference of the gases
  2. Surface area for gas exchange
  3. Diffusion distance
  4. Molecular weight and solubility of the gases
  5. Force of contraction of diaphragm

back 23

E

front 24

Which is the dominant method of carbon dioxide transport?

  1. Bound to hemoglobin
  2. Bound to oxygen
  3. Dissolved in plasma as a gas
  4. Dissolved in plasma as bicarbonate ions
  5. Diffusion

back 24

D

front 25

When blood pH drops then the amount of oxyhemoglobin _______ and oxygen delivery to the tissue cells ________________.

  1. increases, increases
  2. increases, decreases
  3. decreases, increases
  4. decreases, decreases
  5. Does not change

back 25

C

front 26

Which is a factor that does NOT affect hemoglobin’s affinity for oxygen?

  1. pH of blood
  2. Partial pressure of the oxygen
  3. Amount of oxygen available
  4. Temperature
  5. Respiratory rate

back 26

E

front 27

Where are the nasal conchae?

  1. A
  2. C
  3. T
  4. U
  5. V

back 27

B

front 28

This portion of the pharynx has five openings in its wall.

  1. C
  2. E
  3. N
  4. P
  5. T

back 28

E

front 29

Which tonsils are found in the oropharynx?

  1. V
  2. R
  3. S
  4. Q
  5. U

back 29

B

front 30

What is also referred to as the Adam’s Apple?

  1. G
  2. H
  3. I
  4. J
  5. K

back 30

D

front 31

Where is the larynx?

  1. I
  2. M
  3. L
  4. N
  5. O

back 31

A

front 32

This is a ring of hyaline cartilage that forms the inferior wall of the larynx.

  1. J
  2. K
  3. G
  4. H
  5. O

back 32

B

front 33

Where is the uvula?

  1. E
  2. F
  3. Q
  4. S
  5. U

back 33

D

front 34

Where are the palatine tonsils?

  1. E
  2. F
  3. R
  4. U
  5. None of the above

back 34

C

front 35

Where is the soft palate?

  1. C
  2. E
  3. G
  4. Q
  5. S

back 35

B

front 36

Where is the epiglottis?

  1. O
  2. R
  3. S
  4. F
  5. Q

back 36

A

front 37

Where are the olfactory receptors found?

  1. A
  2. B
  3. C
  4. D
  5. U

back 37

B

front 38

Where is the middle nasal concha?

  1. A
  2. B
  3. C
  4. D
  5. E

back 38

B

front 39

Where is the inferior nasal concha?

  1. A
  2. B
  3. C
  4. D
  5. E

back 39

C

front 40

What is E pointing to?

  1. Soft palate
  2. Ethmoid bone
  3. Hard palate
  4. Nasal septum
  5. Air cells

back 40

D

front 41

What is line D pointing to?

  1. Thyrohyoid membrane
  2. Corniculate cartilage
  3. Cricothyroid ligament
  4. Cricoid cartilage
  5. Tracheal cartilage

back 41

B

front 42

Where is the cricoid cartilage?

  1. D
  2. E
  3. F
  4. G
  5. H

back 42

E

front 43

Where is the tracheal cartilage?

  1. J
  2. I
  3. H
  4. G
  5. F

back 43

A

front 44

What is line A pointing to?

  1. Hyoid bone
  2. Trachea
  3. Adams Apple
  4. Thyroid
  5. Epiglottis

back 44

E

front 45

Where is the structure that regulates air flow to the alveolus?

  1. G
  2. M
  3. H
  4. A
  5. None of the above

back 45

B

front 46

What is line J pointing to?

  1. Right secondary bronchus
  2. Left secondary bronchus
  3. Right primary bronchus
  4. Left primary bronchus
  5. Carina

back 46

D

front 47

Where is the right bronchiole?

  1. F
  2. G
  3. H
  4. L
  5. M

back 47

B

front 48

What lines are pointing to tertiary bronchi?

  1. E and K
  2. D and J
  3. F and L
  4. H and M
  5. A and B

back 48

C

front 49

What is line B pointing to?

  1. Carina
  2. Visceral pleura
  3. Parietal pleura
  4. Pleural cavity
  5. Diaphragm

back 49

C

front 50

In this portion of the lungs, the epithelial lining is simple squamous.

  1. A
  2. B
  3. C
  4. D
  5. E

back 50

E

front 51

This is the primary gas exchange structure.

  1. A
  2. B
  3. C
  4. D
  5. E

back 51

E

front 52

What is line C pointing to?

  1. Terminal bronchiole
  2. Respiratory bronchiole
  3. Alveolar ducts
  4. Alveolar sac
  5. Alveoli

back 52

C

front 53

Where is the terminal bronchiole?

  1. A
  2. B
  3. C
  4. D
  5. E

back 53

A

front 54

This provides disease resistance within the lungs.

  1. A
  2. B
  3. C
  4. D
  5. None of the above

back 54

D

front 55

Which cells are the main sites of gas exchange?

  1. A
  2. B
  3. C
  4. D
  5. All of the above

back 55

C

front 56

Which cell secretes surfactant?

  1. A
  2. B
  3. C
  4. D
  5. None of the above

back 56

A