Respiratory System Quiz

Question 1

All of the following is true of the trachea

Answer 1

It is lined by pseudostratified ciliated epithelium

It is composed of about 20 C-shape cartilaginous rings

It divides into the two main bronchi in the mediastinum

It is inferior to the hyoid bone

Question 2

As blood travels from the right ventricle all the way to the left atrium, the saturation levels of hemoglobin will_______

Answer 2

increase

Question 3

Contraction of the diaphragm causes thoracic volume to ______________and intrapulmonary pressure to ________________________

Answer 3

Increase – decrease

Question 4

Peripheral chemoreceptors are located in the __________________and respond to _________

Answer 4

Carotid sinus – plasma pH

Question 5

Relaxation of diaphragm cause thoracic volume to

Answer 5

decrease

Question 6

Surfactant is produced by ___________and acts to __________alveolar surface tension.

Answer 6

Type II alveolar cells – decrease

Question 7

The ancient Greeks referred to the trachea as trachea arteria, which translates as “rough airpipe”. The roughness is due to the ____________________ which functions by __________

Answer 7

Cartilaginous rings ; preventing collapse

Question 8

The majority of CO2 is transported in the blood stream…

Answer 8

As bicarbonate

Question 9

The number of lobes in the right lung is ________the number of lobes in the left lung

Answer 9

greater than

Question 10

The percentage of oxygen dissolved in plasma is _____________ the percentage of oxygen transported as oxyhemoglobin

Answer 10

less than

Question 11

Trace the path that a molecule of oxygen would follow as it traveled from external atmosphere all the way to the erythrocyte in the pulmonary capillary.

Answer 11

Nasal cavity, nasopharynx, oropharynx, laryngopharynx, vestibular fold, true vocal fold, trachea, primary bronchus, , secondary bronchus, bronchiole, alveolar duct, alveolar sac, respiratory membrane, RBC.

Question 12

Which of the following is the most inferior?

Answer 12

True vocal folds

Question 13

Which of the following is the most superior

Answer 13

Carina

Question 14

Which of the following is true?

Answer 14

The Eustachian tubes link the nasopharynx and the middle ear cavities

Question 15

Which of the following nerves stimulates the diaphragm to contract?

Answer 15

phrenic nerve

Question 16

Which of the following refers to the exchange of carbon dioxide and oxygen between systemic tissues and systemic capillaries?

Answer 16

Internal respiration

Question 17

Which statement about CO2 is incorrect?

Answer 17

More CO2 dissolves in the blood plasma than is carried in the RBCs

Question 18

1

Answer 18

Inferior nasal conchae

Question 19

2

Answer 19

Middle nasal conchae

Question 20

3

Answer 20

superior nasal conchae

Question 21

4

Answer 21

Hard palate

Question 22

5

Answer 22

Soft palate

Question 23

6

Answer 23

Epiglottis

Question 24

7

Answer 24

Oropharynx

Question 25

8

Answer 25

Nasopharynx

Question 26

9

Answer 26

Trachea

Question 27

10

Answer 27

Vestibular fold

Question 28

11

Answer 28

External nares

Question 29

13

Answer 29

True vocal fold

Question 30

12

Answer 30

laryngopharynx