NEW
Font size
S
M
L
XL
WorksheetsRespiratory System Physiology
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Intrapleural pressure is always __ than intrapulmonary pressure
a)
4 mmHg less
b)
4 mmHg more
c)
64 mmHg less
d)
14 mmHg more
2.
When intrapulmonary pressure = intrapleural pressure, ___ has occurred.
a)
Inspiration
b)
Expiration
c)
Atelectasis
d)
Internal Respiration
3.
The main muscle responsible for inspiration.
a)
diaphragm
b)
external intercostals
c)
abdominal muscles
d)
thoracic
4.
Forced expiration is possible by using the...
a)
External intercostals
b)
Abdominals
c)
Diaphragm
d)
Phrenic nerve
5.
The part of the brain responsible for respiration
a)
Pons
b)
Cerebrum
c)
Midbrain
d)
Cerebellum
6.
Gas exchange between the alveoli and the blood is...
a)
External respiration
b)
Internal respiration
c)
Pulmonary ventilation
d)
Cellular respiration
7.
Gas exchange utilizes ___.
a)
Osmosis
b)
Diffusion
c)
Active Transport
d)
Somatic Nervous Functions
8.
As the diaphragm relaxes, volume ___ and intrapulmonary pressure ___.
a)
dec, inc
b)
dec, dec
c)
inc, dec
d)
inc, inc
9.
Following diaphragmatic relaxation, as the pressure increases in the lungs, air flows __.
a)
out
b)
in
c)
across the alveoli
d)
nowhere
10.
When the diaphragm contracts, it moves __ and volume ___.
a)
down, inc
b)
down, dec
c)
up, inc
d)
up, dec
11.
As the diaphragm contracts, pressure in the lungs __.
a)
Dec
b)
Inc
c)
is Stable
d)
Causes disease
12.
Pressure & Volume have an ___ relationship.
a)
Direct
b)
Inverse
13.
True or False?
Typical Expiration does not take muscular assistance.
Typical Expiration does not take muscular assistance.
a)
True
b)
False
14.
The sounds produced by air filling the alveoli are called...
a)
Wheezing
b)
Rales
c)
Vesicular Sounds
d)
Bronchial Sounds
15.
The substance that reduces surface tension in the lungs, keeping them from sticking together.
a)
surfactant
b)
serous fluid
c)
mucus
d)
water
16.
Lung ___ refers to the ability of the lung tissue to bounce back.
a)
Elasticity
b)
Compliance
c)
Resistance
d)
Surface Tension
17.
Lung ___ refers to the ease with which lungs can expand.
a)
Elasticity
b)
Compliance
c)
Tension Forces
d)
Resistance
18.
Asthma increases,
a)
Lung compliance
b)
Lung elasticity
c)
Passage resistance
d)
Surface tension forces
19.
IRDS, infant respiratory distress syndrome, refers to premature babies lack of...
a)
surfactant
b)
alveoli
c)
mucus
d)
serous fluid
20.
Emphysema reduces lung __.
a)
Elasticity
b)
Compliance
c)
Resistance
d)
Tension
Reset
