Exam 3. Respiration, Digestion, and Metabolism

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1

Which of the lungs is larger and why?

The right lung is larger because of the cardiac notch located on the left lung

2

Name the 3 Lobes of the right lung

Superior, Middle, Inferior

3

Name the 2 Lobes of the Left Lung

Superior, Inferior

4

Visceral Pleura is located where on the lung?

it is attached to the lung as the lining

5

What happens to the diameter of the tubing from outside of lungs to inner lungs?

Decreases in diameter

6

Name the 3 Functions of the Respiratory System

-gas exchange -vocalize -pH Balance

7

3 Conchae of the Nasal Cavity

-superior, middle, inferior

8

Goblet cells

secrete mucus in the nasal cavity and trap particles

9

Name the paranasal sinuses

-frontal Function to lighten skull, humidify and warm the air we
-sphenoid breathe.
-ethmoid
-maxillary

10

Alveoli:

Millions in lungs, site of gas exchange-- air sacs covered with capillaries

11

Are bronchioles skeletal or smooth muscle

Smooth muscle - involuntary

12

After splitting off from the trachea name the pathway into lungs:

Primary Bronchi
Secondary Bronchi
Tertiary Bronchi
Bronchioles
Terminal Bronchiole
Respiratory Bronchiole
Alveolar ducts
Alveoli

13

Trachea is made up of what type of tissue:

Pseedostratified ciliated columnar epithelium

14

3 Regions of the Pharynx (Throat):

1. Nasopharynx
2. Oropharynx
3. Laryngopharynx

15

C-shaped cartilage of larynx & trachea

Hyaline cartilage

16

Allows swallowing

epiglottis

17

Surfactant

reduces surface tension like thin film of oil, doesn't allow alveoli to stick together.

18

Measuring of Lung Capacity/Volumes

Spirometry

19

Maximum Amt. of Air a person can forcefully exhale after a max inhalation

Vital Capacity

20

The amount you inhale/exhale during normal quiet breathing:

Tidal Volume

21

Bacterial disease spread thru air, forms crust over alveoli:

Tuberculosis(TB)

22

What Controls Respiration?

ANS, Limbic System

23

What effects respiration?

pH, partial pressure of Co2 in blood, partial pressure of O2 in blood

24

Normal Blood pH:

7.40

25

Parietal Pleura

covers thoracic wall where ribs are

26

Visceral pleura:

is located right on the lungs

27

Fluid located between visceral and parietal pleura:

Pleural Fluid

28

Extension of pleura onto the diaphragm

diaphragmatic pleura

29

Major breathing muscle controlled by the phrenic nerve

diaphragm

30

Disease of lungs where surface are decreases due to low numbers of alveoli, meaning decreased O2 entering the blood:

Emphysema

31

Hypoxia

not enough oxygen in the tissues