WorksheetsAP 2 Mod 7 Review exam 3
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
Pulmonary (external) respiration refers to
a)
atmospheric air coming into the lungs.
b)
gas exchange between the lungs and the blood.
c)
gas exchange in the atmosphere.
d)
gas exchange between the blood and body tissues.
e)
cellular respiration.
2.
A protective function of the respiratory system would be
a)
A) altering blood pH by changing blood CO2 levels.
b)
olfaction by drawing molecules into the nasal cavity.
c)
producing ACE which helps regulate blood pressure.
d)
preventing microorganisms from entering the body.
3.
Which of the following is NOT a function of the respiratory system?
a)
Olfaction
b)
Taste
c)
Production of chemical mediators
d)
Voice production
e)
Regulation of blood pH
4.
Which of the following is NOT a process of respiration?
a)
Voice production
b)
Systemic respiration
c)
Ventilation
d)
Pulmonary respiration
e)
Transport of blood gases in the blood
5.
Which of the following is part of the upper respiratory tract?
a)
Lungs
b)
Pharynx
c)
Trachea
d)
Bronchi
e)
Bronchioles
6.
Which of the following functions is associated with the nose?
a)
Initiating the cough reflex
b)
Systemic respiration
c)
Warming inhaled air
d)
Producing mucus to trap debris from the air
e)
Both "Warming inhaled air" and "Producing mucus to trap debris from the air" are correct.
7.
Which of the following is a passageway for both air and food?
a)
Trachea
b)
Larynx
c)
Pharynx
d)
Bronchus
e)
Esophagus
8.
During swallowing, the opening into the larynx is covered by the_________.
a)
epiglottis
b)
thyroid cartilage
c)
cricoid cartilage
d)
arytenoid cartilage
e)
the "Adam's apple"
9.
The respiratory zone of the tracheobronchial tree includes which of the following?
a)
Trachea
b)
Alveoli
c)
Primary bronchi
d)
Larynx
e)
Tertiary bronchi
10.
Of the following structures, the largest in diameter is the_________.
a)
primary bronchus
b)
secondary bronchus
c)
respiratory bronchiole
d)
trachea
e)
tertiary bronchus
11.
From largest to smallest, the correct sequence for the following passageways is
a)
bronchi, bronchioles, respiratory bronchioles, terminal bronchioles, alveoli.
b)
bronchioles, terminal bronchioles, respiratory bronchioles, bronchi, alveoli.
c)
alveoli, bronchioles, terminal bronchioles, respiratory bronchioles, bronchi.
d)
bronchi, bronchioles, terminal bronchioles, respiratory bronchioles, alveoli.
e)
terminal bronchioles, respiratory bronchioles, bronchi, bronchioles, alveoli.
12.
Gas exchange between the air in the lungs and the blood takes place in the_________.
a)
alveoli
b)
primary bronchi
c)
terminal bronchioles
d)
trachea
e)
respiratory bronchi
13.
Constriction of smooth muscle in the bronchioles
a)
occurs during periods of exercise.
b)
restricts the flow of air into the lungs.
c)
decreases ciliary action.
d)
increases airflow out of the lungs.
e)
does not affect airflow.
14.
Which of the following statements regarding the lungs is correct?
a)
The left lung is larger than the right lung.
b)
The left lung contains two lobes, while the right lung contains three lobes.
c)
The left lung has more bronchopulmonary segments than the right lung.
d)
Only the right lung has a hilum.
e)
The left lung contains three lobes, while the right lung contains two lobes.
15.
When the inspiratory muscles contract,
a)
thoracic volume increases.
b)
pleural pressure increases.
c)
the alveolar pressure increases.
d)
expiration occurs.
e)
thoracic volume decreases.
16.
Which of the following statements concerning thoracic volume is true?
a)
As thoracic volume increases, alveolar pressure (Palv) increases.
b)
In expiration, the thoracic volume increases.
c)
Constriction of bronchioles assists breathing.
d)
As alveolar volume increases, alveolar pressure (Palv) decreases.
e)
Pressure is directly proportional to volume.
17.
For air to flow into or out of the lungs, there must be
a)
a volume gradient established between the atmosphere and the alveoli.
b)
a temperature gradient between the atmosphere and the alveoli.
c)
a pressure gradient established between the atmosphere and the alveoli.
d)
a diffusion gradient between the atmosphere and the alveoli.
e)
None of the choices are correct.
18.
During expiration, the alveolar pressure must be
a)
greater than atmospheric pressure.
b)
less than atmospheric pressure.
c)
equal to atmospheric pressure.
d)
greater than pleural pressure.
e)
None of these choices is correct.
19.
Which of the following factors keeps the alveoli expanded?
a)
A pneumothorax
b)
Negative pleural pressure
c)
Alveolar pressure being equal to atmospheric pressure
d)
A reduction in surfactant
e)
Negative intra-alveolar pressure
20.
Marcus exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called_________.
a)
expiratory reserve volume
b)
tidal volume
c)
inspiratory reserve volume
d)
vital capacity
e)
residual volume
21.
The volume of air inspired or expired with each breath is the_________.
a)
residual volume
b)
inspiratory reserve volume
c)
tidal volume
d)
expiratory reserve volume
22.
What is the volume of air that can be forcibly expired after expiration of the tidal volume?
a)
Residual volume
b)
Inspiratory reserve volume
c)
Vital capacity
d)
Expiratory reserve volume
23.
Paul is getting ready to blow up a pool float because he can't find the air pump. He takes a big breath in after exhaling normally. The air he takes in is the_________.
a)
inspiratory reserve volume
b)
vital capacity
c)
inspiratory capacity
d)
tidal volume
24.
The chloride shift refers to the
a)
A) effect of Cl- on the O2 dissociation curve.
b)
exchange of Cl- for bicarbonate ions across the red blood cell membrane.
c)
exchange of Cl- for CO2 across alveolar cell membranes.
d)
effect of Cl- on H+ diffusion from red blood cells.
25.
If there is an accumulation of acidic products in the plasma, one would expect __________.
a)
an increase in respiration rate
b)
a decrease in respiration rate
c)
no influence on respiration rate
d)
an increase in residual volume
e)
apnea
26.
The chemosensitive area of the brain is located in the_________.
a)
pons
b)
cerebral peduncles
c)
cerebellum
d)
hypothalamus
e)
medulla oblongata
27.
The pontine respiratory neurons
a)
are located in the medulla oblongata in the brain.
b)
are active only during inspiration.
c)
are active only during expiration.
d)
play a role in switching between inspiration and expiration.
e)
is essential for respiratory rhythm.
28.
When CO2 levels in the blood increase, the
a)
condition is called hypocapnia.
b)
pH of the blood increases.
c)
blood becomes more acidic.
d)
number of hydrogen ions in the blood decreases.
e)
blood becomes more alkaline.
29.
After hyperventilating for several minutes, a person may develop short periods of apnea because
a)
blood pH would drop and inhibit inspiration.
b)
oxygen in the lungs has not had time to diffuse into the blood.
c)
the level of oxygen has increased and inhibits the inspiratory center.
d)
the level of CO2 decreases below the level necessary to stimulate the inspiratory center.
e)
blood pH will rise and stimulate expiration.
30.
Mr. Smith hypoventilates and retains too much CO2 Which of the following receptors is stimulated by an increase in CO2
a)
Irritant receptors
b)
Pressure receptors
c)
Osmoreceptors
d)
Peripheral chemoreceptors
e)
Baroreceptors
31.
The major regulator of respiration is the plasma concentration of_________.
a)
oxygen
b)
carbon dioxide
c)
water vapor
d)
nitrogen
e)
chloride
32.
A greater amount of CO2 in the blood is called _____
a)
hypercapnia
b)
hypoxia
c)
hyperdioxemia
d)
hypodioxemia
100 %
