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NUR 211 ( LATEST 2024 / 2025 ) FINAL EXAM | LATEST QUESTIONS WITH COMPLETE GRADE A++ ANSWERS $15.99   Add to cart

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NUR 211 ( LATEST 2024 / 2025 ) FINAL EXAM | LATEST QUESTIONS WITH COMPLETE GRADE A++ ANSWERS

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NUR 211 ( LATEST 2024 / 2025 ) FINAL EXAM | LATEST QUESTIONS WITH COMPLETE GRADE A++ ANSWERS

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  • October 19, 2024
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  • 2024/2025
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  • NUR 211 Fin
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NUR 211 Final Exam

1. what does the use of accessory muscles indicate
Answer
an attempt to increase lung volume that results in fatigue is not effective ventilation. indicates
ventilatory fatigue, air hunger, or decreased lung expansion

2. how does oxygenation of tissues take place
Answer
ventilation; the process of moving gases into and out of the lungs

perfusion; the cardiovascular system pumping oxygenated blood to the tissues and return
deoxygenated blood to the lungs
diffusion; exchange of respiratory gases in the alveoli and capillaries

3. how are respirations regulated (chemical and neural)
Answer
neural regulation- CNS controls the respiratory rate, depth, and rhythm and cerbral cortex
control voluntary respirations

chemical regulation - maintains the rate and depth of respirations based on changes in the blood
concentrations of CO2 and O2 and in pH, SO the chemoreceptors sense these changes in
chemicals and stimulate the nervous system to adjust

4. Factors affecting oxygenation - physiology
Answer
decreased o2 carrying capacity, hypovolemia (low blood volume, less hemoglobin to carry O2
through vessels), decreased inspired O2 conc., increased metabolic rate (infection, sepsis),

5. factors affecting oxygenation - chest wall movement
Answer
prgnancy, obesity, neuromuscular disease, musculoskeletal deformities, trauma, alterations to
CNS

6. COPD and oxygenation

,Answer
-these pts have adapted to a high level of CO2, so the CO2 sensitive receptors do not function

-COPD pts stimulus to breathe is low O2, while normally it is high CO2
-receptors in the aortic arch and carotid bodies are sensitive to low O2 level causing increased
ventilation when low O2
-SO, administering high levels of O2 to these pts prevents their O2 level from falling and
stimulating the receptors, which REMOVES THEIR STIMULUS TO BREATHE

7. hyper and hypo ventilation
Answer
hyper- breathing in excess of what is required to remove CO2

hypo- inadequate breathing to meet bodys O2 demands or needs to eliminate CO2

8. nursing notes on oxygenation - developmental factors
Answer
-mental status changes are 1st sign of respiratory problem

-may not complain of dyspea until it affects ADLs
- changes in coughing mechanism may lead to retention of secretions and atelecta- sis (when
using cough suppressants)
-diminshed respiratory muscles from changes in thorax lead to issues w chest expansion

9. nursing note on oxygenation - lifestyle
Answer
smoking (heart disease, COPD, lung cancer), substance abuse (impairs tissue perfusion), stress
(increases metabolic rate and oxygen demand of the body)




10. nursing note on oxygenation - environmental factors
Answer
the incidence of pulmonary disease is higher in smoggy, urban areas

-work place risks include asbestosis, coccidiodomycosis

11. thorough assessment of oxygenation and systems

,Answer
past impairments of circulatory or respiratory function, methods pt uses to optimize
oxygenation, review of allergies, physical examination, lab and diagnostic tests.

-HX of chest pain, dyspnea, wheezing, resp. infections, meds, fatigue, cough, smoking,
exposures
-EXAMINE skin and mucous membranes, LOC, breathing patterns, chest wall movement,
palpate chest, feet, legs, pulses, auscultate heart and lung sounds

12. how to assess breath sounds
Answer
rate, volume (shallow or deep), rhythm (regular or irregular), effort, AP

Answer
LAT diameter (1

Answer
2), cough (productive or not) - amt., color, consistency, odor

13. what causes decreased or absent breath sounds
Answer
pneumothorax, emphyse- ma, removed lung lobes, obstruction, atelectasis

14. difference between hypoxia and hypoxemia
Answer
hypoxia - inadequate tissue oxygenation at cell level

hypoxemia - low level of oxygen in arterial blood

15. what is a more invasive way than pulse oximetry of determining level of oxygenation

Answer
arterial blood gases (ABGs) - invasive way to measure partial pressure of O2 in blood.
NORMAL 80-100

16. acute hypoxia
Answer
SUDDEN - causes? - obstructed airway, pulmonary embolism, impaired ventilation (asthma,

, pneumonia)

SX- anxious, sitting up, increased RR and HR, confusion, behavior changes, nasal flaring -
cyanosis is a late sign

17. chronic hypoxia
Answer
long term - Causes? - COPD, anemia, impaired ventilation, cardiac abnormalities

SX- fatigue, lethargy, clubbed fingers, barrel chest, SOA, paroxysmal nocturnal dyspnea,
orthopnea, activity intolerance

18. define orthopnea
Answer
shortness of breath that occurs when lying flat

19. an H+H diagnostic blood test

Answer
hematocrit - % of total blood volume made up by RBCs

MALE - 42-52% FEMALE - 37-47%
= decreased levels are called anemia hemoglobin - iron containing pigment of RBC MALE - 14-
18 FEMALE 12-16

20. ways to promote oxygenation
Answer
monitor hydration, humidification, administer inhalant medications (expectorants, mucolytics,
bronchodilators, anti inflammatory


agents), teach coughing and breathing, perform chest physiotherapy, suction airway, artificial
airways

21. what is a method that a nurse can teach the pt to do to increase air to lower lungs
Answer
diaphragmatic breathing - belly breathing

22. what is a method you can teach your pts to prevent alveolar collapse

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