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Flashcards in ch15 test Deck (23):
1

functions of the respiratory system include

protecting respiratory surfaces from dehydration, and temperature changes

2

a chamber shared by the respiratory and digestive systems is the

pharynx

3

the glottis is

the passage from the pharynx to the larynx

4

the elastic structure that folds back over the glottis, preventing the entry of liquids or solid food into the respiratory tract during swallowing, is the

epiglottis

5

the trachea

is reinforced with c-shaped cartilages

6

airways that supply one lobe of a lung are called

secondary bronchi

7

harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. the problem is probably the result of

thick secretions that exceed the ability of the respiratory tract cilia to remove them

8

the pitch of a vocal sound is controlled by changing the

diameter, length, and tension of the vocal cords

9

he following is a list of some of the structures of the respiratory tree
1. secondary bronchi
2. tertiary bronchi
3. bronchioles
4. primary bronchi
the order in which air passes through these structures beginning at the trachea is

4,1,2,3

10

air entering the body s filtered, warmed, and humidified by the

upper (conducting) portion of the respiratory tract

11

The actual site of gas exchange within the lungs are

Alveoli

12

The lungs are divided into _ that are separated by deep fissures

Lobes

13

Pulmonary ventilation refers to

The movement of air into and out of the lungs

14

Which of the following is defined as the absorption of oxygen and the release of carbon dioxide by cells

Internal respiration

15

The condition of low tissue oxygen levels is known as _

Hypoxia

16

The force that causes air to move into the lungs during inspiration is supplied by

Atmospheric pressure

17

Contraction of which muscle normally accounts for around 75% of the air movement in normal quiet breathing

Diaphragm

18

The volume of air moved into or out of the lungs during a single resting respiratory cycle is known as _

Tidal volume

19

During exhalation,

The volume of the thoracic cavity decreases

20

Which of the following is the most abundant gas in the air

Nitrogen
N2

21

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is _

Emphysema

22

Most of the carbon dioxide transported by the blood (approximately 70%) is

Ultimately transported as bicarbonate ions in the plasma

23

An inflammation of the bronchial lining is called _

Bronchitis