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NU 545 - Unit 5 Practice Questions and Answers | Latest Update $10.49   Add to cart

Exam (elaborations)

NU 545 - Unit 5 Practice Questions and Answers | Latest Update

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  • NU 545
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  • NU 545

Which statement is true regarding the pulmonary system? The larynx connects the upper and lower airways Which statement is true regarding the lower airways? The right and left main bronchi enter the lungs at the hila. What process describes the exchange of carbon dioxide (CO2) for oxygen? R...

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  • September 27, 2024
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  • NU 545
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2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!

NU 545 - Unit 5 Practice Questions and
Answers | Latest Update
Which statement is true regarding the pulmonary system?


✓ The larynx connects the upper and lower airways




Which statement is true regarding the lower airways?


✓ The right and left main bronchi enter the lungs at the hila.




What process describes the exchange of carbon dioxide (CO2) for oxygen?


✓ Respiration




Which receptor monitors the pH, partial pressure of CO2 (PaCO2), and the partial

pressure of oxygen (PaO2) in arterial blood?


✓ Central chemoreceptors




Which physiologic alteration is present in an individual with emphysema?


✓ Increased compliance




Which steps are involved in the process of gas exchange? (Select all that apply.)

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,2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!
✓ Ventilation, Diffusion, Perfusion




Which structures are considered part of the upper airway? (Select all that apply.)


✓ Nasopharynx, Oropharynx




Which structures are considered part of the acinus? (Select all that apply.)


✓ Respiratory bronchioles, Alveolar ducts, Alveoli




Which structures are major accessory muscles of respiration? (Select all that apply.)


✓ Diaphragm, External Intercostals




Which alterations involved with aging are considered normal? (Select all that apply.)


✓ Increased flow resistance, Alterations in gas exchange, Loss of recoil




The binding of oxygen to hemoglobin occurs in the lungs; the reverse process in which

oxygen is released from hemoglobin occurs in the?


✓ Tissues




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, 2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!
The mechanical movement of gas or air into and out of the lungs is known as ventilation.

Breathing is usually involuntary because changes in the rate and volume are adjusted

automatically by the nervous system to maintain normal gas exchange. The respiratory

system in the brain that becomes active when increased ventilatory effort is required is the?


✓ Dorsal respiratory group




Which illness is a type of liquefactive necrosis?


✓ Abscess




Which statement is true regarding bronchiolitis?


✓ Respiratory distress develops within 24 -72 hours




What is the appropriate term for inadequate alveolar ventilation in relation to metabolic

demands?


✓ Hypoventilation




A person has respirations that are characterized by alternating periods of deep and shallow

breathing and apnea. What is the appropriate term for this breathing?


✓ Cheyne-Stokes




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