Respiratory System Quiz Flashcards

1
Q

All of the following is true of the trachea

A

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

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2
Q

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

A

increase

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3
Q

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

A

Increase – decrease

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4
Q

Peripheral chemoreceptors are located in the __________________and respond to _________

A

Carotid sinus – plasma pH

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5
Q

Relaxation of diaphragm cause thoracic volume to

A

decrease

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6
Q

Surfactant is produced by ___________and acts to __________alveolar surface tension.

A

Type II alveolar cells – decrease

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7
Q

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

A

Cartilaginous rings ; preventing collapse

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8
Q

The majority of CO2 is transported in the blood stream…

A

As bicarbonate

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9
Q

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

A

greater than

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10
Q

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

A

less than

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11
Q

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.

A

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

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12
Q

Which of the following is the most inferior?

A

True vocal folds

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13
Q

Which of the following is the most superior

A

Carina

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14
Q

Which of the following is true?

A

The Eustachian tubes link the nasopharynx and the middle ear cavities

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15
Q

Which of the following nerves stimulates the diaphragm to contract?

A

phrenic nerve

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16
Q

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

A

Internal respiration

17
Q

Which statement about CO2 is incorrect?

A

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

18
Q

1

A

Inferior nasal conchae

19
Q

2

A

Middle nasal conchae

20
Q

3

A

superior nasal conchae

21
Q

4

A

Hard palate

22
Q

5

A

Soft palate

23
Q

6

A

Epiglottis

24
Q

7

A

Oropharynx

25
Q

8

A

Nasopharynx

26
Q

9

A

Trachea

27
Q

10

A

Vestibular fold

28
Q

11

A

External nares

29
Q

13

A

True vocal fold

30
Q

12

A

laryngopharynx