Respiratory System

Question 1

Explain: Primary (respiration)

Answer 1

Brings oxygen into the body and takes C02 out.

Question 2

Explain: Secondary (respiration)

Answer 2

Phonation (voice production), regulation of body temperature, regulation of acid-base balance (blood pH), sense of smell.

Question 3

Define: Internal (respiration)

Answer 3

Cellular. exchange of O2 and CO2 between blood in systemic capillaries and all cells and tissues in body.

Question 4

Define: External (respiration)

Answer 4

Exchange of O2 and CO2 between the inhaled air and blood flowing through pulmonary capillaries within the lung.

Question 5

List the components of the upper respiratory system:

Answer 5

1. nostrils
2. nasal passages
3. nasal turbinates
4. pharynx
5. larynx
6. trachea

Question 6

Define: Nasal septum

Answer 6

separates left and right nasal passage.

Question 7

TRUE or FALSE: cilia project from cell surface into layer of mucus.

Answer 7

TRUE

Question 8

Describe the function of the nasal passages.

Answer 8

Warm, humidify, and filter inhaled air.

Question 9

What is the purpose of cavities?

Answer 9

Help to make the bone/skull feel lighter and increase surface area.

Question 10

What 2 components work together to prevent swallowing from interfering with breathing vice versa?

Answer 10

Pharynx & Larynx.

Question 11

The trachea extends from ___________ to the ____________.

Answer 11

Larynx to the thorax.

Question 12

List the components of the lower respiratory system:

Answer 12

Bronchi, bronchioles, alveolar ducts, alveoli, diaphragm.

Question 13

The alveoli is a site of ___________ respiration.

Answer 13

External

Question 14

Lungs are divided into lobes, how many lobes (left & right) for a cat and dog?

Answer 14

3 left, 4 right.

Question 15

What is the pleura?

Answer 15

Membrane that lines and covers organs and structures in the thorax.

Question 16

Negative pressure = __________________ = ________________

Answer 16

vacuum pressure, intrathoracic pressure

Question 17

Inspiration is the process of………

Answer 17

drawing air into the lungs (inhalation)

Question 18

Expiration is the process of……….

Answer 18

pushing air out of the lungs (exhalation)

Question 19

What are the three volumes when measuring respiratory volume?

Answer 19

Tidal - volume of air inspired & expired in one breath.
Minute - volume of air inspired & expired in one minute of breathing
Residual - volume of air remaining in the lungs after maximum expiration.

Question 20

Define: Hypoxia

Answer 20

Lack of oxygen in the body