Answer Guide NSG 3850 Patho 2, Exam2 Chapters 21, 22, & 23
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
1. The amount of gas remaining in the lungs after a max- a. residual volume
imal expiration is called the:
a. residual volume.
b. functional residual capacity.
c. expiratory reserve volume.
d. vital capacity.
2. An increase in filtration of fluid from the pulmonary b. increased capillary hy-
capillaries into the interstitium occurs with - pressure. drostatic
a. increased capillary colloid
b. increased capillary hydrostatic
c. decreased capillary hydrostatic
d. decreased interstitial colloid
3. The central chemoreceptors for respiratory control b. Responsive primarily to
are changes in pH and CO2
a. located in the carotid artery.
b. responsive primarily to changes in pH and CO2.
c. responsive primarily to hypoxemia.
d. less important than the peripheral chemoreceptors
in maintaining respiration.
4. The peripheral chemoreceptors c. respond to the arterial
oxygen level.
a. are located in the medulla oblongata.
b. lead to hypoventilation when stimulated.
c. respond to the arterial oxygen level.
d. are unresponsive to pH and CO2 levels.
5.
1 4/16/2026
, Answer Guide NSG 3850 Patho 2, Exam2 Chapters 21, 22, & 23
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
Hypoxic pulmonary vasoconstriction c. can lead to secondary
pulmonary hypertension
a. diverts blood to hypoxic regions.
b. increases blood flow to the base of the lung.
c. can lead to secondary pulmonary hypertension.
d. is always detrimental to the patient.
6. Most of the carbon dioxide in blood is a. transported as bicar-
bonate
a. transported as bicarbonate.
b. transported on the hemoglobin molecule.
c. transported as carbonic acid.
d. dissolved in plasma.
7. Shifts in the oxyhemoglobin dissociation curve repre- d. changes in hemoglobin
sent the affinity for oxygen.
a. effect of carbonic anhydrase on the uptake of CO2.
b. ability of blood to pick up more CO2 when PaO2 is
low.
c. amount of hydrogen in solution in the blood.
d. changes in hemoglobin affinity for oxygen.
8. Surfactant is a phospholipid that reduces c. alveolar surface tension
a. pulmonary vascular capacitance.
b. elastic recoil force.
c. alveolar surface tension.
d. pulmonary capillary fragility.
9. Secondary pulmonary hypertension is most often b. increased pulmonary
caused by vascular resistance.
a. increased pulmonary blood flow.
2 4/16/2026
, Answer Guide NSG 3850 Patho 2, Exam2 Chapters 21, 22, & 23
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
b. increased pulmonary vascular resistance.
c. increased left atrial pressure.
d. decreased alveolar compliance.
10. The pulmonary structure that has the least pulmonary a. lung apex
blood flow is
a. lung apex.
b. middle lung.
c. lower lung.
d. zone 4.
11. Which effect does autonomic nervous system stimula- c. Sympathetic stimulation
tion have on the respiratory system? relaxes bronchial smooth
muscle.
a. Parasympathetic stimulation dilates airways.
b. Sympathetic stimulation constricts airways.
c. Sympathetic stimulation relaxes bronchial smooth
muscle.
d. The autonomic system has no effect on the respira-
tory system.
12. Primary pulmonary hypertension is d. rapidly progressive
a. more common in men.
b. readily treatable.
c. caused by genetic mutation.
d. rapidly progressive.
13. Hypoventilation causes a. hypoxemia
a. hypoxemia.
b. respiratory alkalosis.
3 4/16/2026
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
1. The amount of gas remaining in the lungs after a max- a. residual volume
imal expiration is called the:
a. residual volume.
b. functional residual capacity.
c. expiratory reserve volume.
d. vital capacity.
2. An increase in filtration of fluid from the pulmonary b. increased capillary hy-
capillaries into the interstitium occurs with - pressure. drostatic
a. increased capillary colloid
b. increased capillary hydrostatic
c. decreased capillary hydrostatic
d. decreased interstitial colloid
3. The central chemoreceptors for respiratory control b. Responsive primarily to
are changes in pH and CO2
a. located in the carotid artery.
b. responsive primarily to changes in pH and CO2.
c. responsive primarily to hypoxemia.
d. less important than the peripheral chemoreceptors
in maintaining respiration.
4. The peripheral chemoreceptors c. respond to the arterial
oxygen level.
a. are located in the medulla oblongata.
b. lead to hypoventilation when stimulated.
c. respond to the arterial oxygen level.
d. are unresponsive to pH and CO2 levels.
5.
1 4/16/2026
, Answer Guide NSG 3850 Patho 2, Exam2 Chapters 21, 22, & 23
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
Hypoxic pulmonary vasoconstriction c. can lead to secondary
pulmonary hypertension
a. diverts blood to hypoxic regions.
b. increases blood flow to the base of the lung.
c. can lead to secondary pulmonary hypertension.
d. is always detrimental to the patient.
6. Most of the carbon dioxide in blood is a. transported as bicar-
bonate
a. transported as bicarbonate.
b. transported on the hemoglobin molecule.
c. transported as carbonic acid.
d. dissolved in plasma.
7. Shifts in the oxyhemoglobin dissociation curve repre- d. changes in hemoglobin
sent the affinity for oxygen.
a. effect of carbonic anhydrase on the uptake of CO2.
b. ability of blood to pick up more CO2 when PaO2 is
low.
c. amount of hydrogen in solution in the blood.
d. changes in hemoglobin affinity for oxygen.
8. Surfactant is a phospholipid that reduces c. alveolar surface tension
a. pulmonary vascular capacitance.
b. elastic recoil force.
c. alveolar surface tension.
d. pulmonary capillary fragility.
9. Secondary pulmonary hypertension is most often b. increased pulmonary
caused by vascular resistance.
a. increased pulmonary blood flow.
2 4/16/2026
, Answer Guide NSG 3850 Patho 2, Exam2 Chapters 21, 22, & 23
NSG 3850 Patho 2, Exam2: Chapters 21, 22, & 23.
Study online at https://quizlet.com/_fwm05n
b. increased pulmonary vascular resistance.
c. increased left atrial pressure.
d. decreased alveolar compliance.
10. The pulmonary structure that has the least pulmonary a. lung apex
blood flow is
a. lung apex.
b. middle lung.
c. lower lung.
d. zone 4.
11. Which effect does autonomic nervous system stimula- c. Sympathetic stimulation
tion have on the respiratory system? relaxes bronchial smooth
muscle.
a. Parasympathetic stimulation dilates airways.
b. Sympathetic stimulation constricts airways.
c. Sympathetic stimulation relaxes bronchial smooth
muscle.
d. The autonomic system has no effect on the respira-
tory system.
12. Primary pulmonary hypertension is d. rapidly progressive
a. more common in men.
b. readily treatable.
c. caused by genetic mutation.
d. rapidly progressive.
13. Hypoventilation causes a. hypoxemia
a. hypoxemia.
b. respiratory alkalosis.
3 4/16/2026
