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HUMAN PATHOPHYSIOLOGY UNIT 5 EXAM LATEST 2024 QUESTIONS AND DETAILED ANSWERS GRADED A+
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HUMAN PATHOPHYSIOLOGY UNIT 5 EXAM LATEST 2024 QUESTIONS AND DETAILED ANSWERS GRADED A+
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HUMAN PATHOPHYSIOLOGY UNIT 5 EXAMLATEST 2024 QUESTIONS AND DETAILED
ANSWERS GRADED A+
Chapter 26: Structure and Function of the Pulmonary System
What nerve provides the lungs with parasympathetic innervation?
A. Vagus.
B. Phrenic.
C. Brachial.
D. Pectoral. - ✔✔ANSWER✔✔-A
,Diffusion of respiratory gases takes place at the _____.
A. Alveolocapillary membrane.
B. Visceral pleurae.
C. Parietal pleurae.
D. Respiratory center. - ✔✔ANSWER✔✔-A
After entering a room of chemical fog, a 20-year-old male cannot stop
coughing. Which of the following structures are primarily responsible
for his response?
A. Upper respiratory tract mucosa.
B. Irritant receptors in the trachea and large airways.
C. Irritant receptors in the nostrils.
D. Upper respiratory nasal hairs and turbinates. - ✔✔ANSWER✔✔-C
What is the partial pressure of oxygen in the lung given the following
conditions? (Percentage of oxygen in air: 20; Barometric pressure 700
mm Hg)
A. 111 mm Hg.
B. 124 mm Hg.
C. 131 mm Hg.
D. 140 mm Hg. - ✔✔ANSWER✔✔-D
,A nurse recalls the pleural membranes are examples of _____
membranes.
A. Mucous.
B. Serous.
C. Synovial.
D. Peritoneal. - ✔✔ANSWER✔✔-B
Under most circumstances, increased work of breathing results in
_____.
A. Increased partial pressure of O2 in the lungs.
B. Increased oxygen consumption.
C. Decreased PaCO2.
D. Alterations in alveolar perfusion. - ✔✔ANSWER✔✔-B
A nurse is describing the slit-shaped space between the true vocal
cords. What term should the nurse use?
A. Glottis.
B. Epiglottis.
C. Larynx.
D. Carina. - ✔✔ANSWER✔✔-A
A patient asks how oxygen is transported in the body. The nurse's best
response is that most oxygen (O2) is transported _____.
A. Dissolved in the plasma.
, B. Bound to hemoglobin.
C. In the form of carbon dioxide (CO2).
D. As a free-floating molecule. - ✔✔ANSWER✔✔-B
What physiology is present at the base of the lungs?
A. Arterial perfusion pressure is less than that of alveolar gas pressure.
B. Arterial perfusion pressure and alveolar gas pressure are less than
they are at the apex.
C. Arterial perfusion pressure exceeds alveolar gas pressure.
D. Arterial perfusion and alveolar gas pressure are equal. -
✔✔ANSWER✔✔-C
Surfactant facilitates alveolar distention and ventilation by _____.
A. Decreasing thoracic compliance.
B. Attracting water to the alveolar surface.
C. Decreasing surface tension in alveoli.
D Increasing diffusion in alveoli. - ✔✔ANSWER✔✔-C
Carbon dioxide (CO2) is mainly transported in the blood _____.
A. Attached to oxygen (O2).
B. Dissolved in red blood cells.
C. Combined with albumin.
D. In the form of bicarbonate. - ✔✔ANSWER✔✔-D
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