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Exam (elaborations)

NU110 Integrated Human Sciences – Galen College 2025–2026 | Exam 2 Questions & Answers with 100% Correct Solutions

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This document includes the complete set of Exam 2 questions and answers for NU110 Integrated Human Sciences at Galen College. It covers all key topics assessed in the second exam and provides fully verified, 100% correct answers in line with the latest 2025–2026 curriculum. Ideal for revision and exam preparation, this material has achieved a Grade A and closely reflects the structure and difficulty of the actual NU110 Exam 2.

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NU110
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Uploaded on
December 14, 2025
Number of pages
19
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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1
NU110




NU110: Exam 2- Integrated Human Sciences (Latest Update )

| Questions & Answers | 100 % Correct | Grade A - Galen




1.Breathing through the nose instead of the mouth allows the nasal mucosa

to: warm and moisten

2.The respiratory system is a series of spaces and passageways that conduct

air into and through the: lungs

3.The larynx connects the: pharynx with the trachea

4.A framework of separate cartilage _________ the trachea and keeps it open.:

reinforces

5.This cartilage is found along the entirety of the trachea and they are open in

the posterior so the ________ can expand when swallowing.: esophagus

6.A continuous doubled sac called the ____ covers the lung.: pleura




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7.Between the 2 layers of the pleura is the __________, which contains a thin

film of fluid that lubricated the membranes and allows the surfaces to slide

easily on one another.: pleural space

8.The muscular partition that separates the thoracic cavity from the abdominal

cavity is called the: diaphragm

9.The right bronchus is larger in diameter than the left, and extends downward

in a more vertical direction, this makes it more susceptible to ____________

if a foreign body is inhaled: enter the right lung

10. ______ is the movement of air into and out of the lungs, normally

accomplished by breathing: ventilation

11. There are 2 phases of ventilation: __________ is the drawing of air into

the lungs and _______ which is the expulsion of air from the lungs.:

inhalation and exhalation 12. The _____________ determines how easily the

air flows down the pressure gradient. So, if there is a narrowing in the airway,

it requires more work for respiration. Ex. Asthma: radius of the airway

13. ________ is the ease that the lungs and the thorax expand in inhalation.:

Compliance

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14. External gas exchange is the movement of gases between the

______________ in the lungs: alveoli and the capillary blood

15. Almost all of the oxygen that diffuses into the capillary blood in the lungs

binds to ________ in the red blood cells.: hemoglobin

16 __________ diffuses from the tissue cells into the blood and is transported

to the lungs.: Carbon Dioxide

17. The blood becomes more acidic as the amount of carbon dioxide ______

in the blood.: increases

18. As the level of carbon dioxide is eliminated more than the body is

producing, the blood pH becomes more ________: alkaline

19. The respiratory control center is located in the __________________ of

the brain stem.: medulla and the pons

20. The nerve fibers send signals to the __________ that are then send to

the diaphragm and the intercostal muscles.: phrenic nerve

21. The sensors in the respiratory center known as _________ are sensitive

to arterial blood gas levels: chemoreceptors




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