Week 8 Lecture Assignment Flashcards

1
Q

Which zone of the respiratory system includes the organs and structures not directly involved in gas exchange?

A

The conducting zone

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2
Q

Respiratory epithelium is composed of what type of tissue? ______________________________

A

Pseudostratified ciliated columnar epithelium.

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3
Q

The largest laryngeal cartilage is the ____________________________.

A

thyroid cartilage

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4
Q

The _________________ is formed by 16 to 20 stacked, C-shaped pieces of hyaline cartilage.

A

trachea

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5
Q

An _______________________ is one of the many small, grape-like sacs that are attached to the alveolar ducts.

A

alveolus

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6
Q

A type II alveolar cell secretes ___________________________.

A

pulmonary surfactant

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7
Q

The sympathetic nervous system stimulates _______________________ in the bronchial tubes.

A

bronchodilation

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8
Q

What is the space between the visceral and parietal layers called? ____________________________

A

pleural cavity

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9
Q

The act of breathing is called _____________________________.

A

pulmonary ventilation

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10
Q

__________________________ is the pressure of the air within the alveoli.

A

Intra-alveolar pressure or intrapulmonary pressure

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11
Q

During quiet breathing, the diaphragm and what other group of muscles must contract? __________________________________

A

external intercostals

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12
Q

The amount of air that normally enters the lungs during quiet breathing is called
_______________________________.

A

tidal volume

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13
Q

A chronic disorder characterized by the cessation of breathing during sleep is called what?

A

sleep apnea

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14
Q

What type of respiration occurs between the alveoli and the blood in the pulmonary capillaries? ___________________________

A

external respiration

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15
Q

What type of respiration consists of gas exchange that occurs at the level of body tissues? ___________________________

A

internal respiration

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