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NR 507 Advanced Pathophysiology Midterm Questions And Answers Latest Update $14.49   Add to cart

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NR 507 Advanced Pathophysiology Midterm Questions And Answers Latest Update

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NR 507 Advanced Pathophysiology Midterm Questions And Answers Latest Update

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  • October 27, 2024
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NR 507: Advanced Pathophysiology Midterm
Questions And Answers Latest Update

Asthma ANS✔✔ Chronic disease due to bronchoconstriction and an
excessive inflammatory response in the bronchioles



What are 5 s/s of asthma ANS✔✔ coughing

wheezing

shortness of breath

rapid breathing

chest tightness



Pathophysiology of asthma (5) ANS✔✔ -airway inflammation, bronchial
hyper-reactivity and smooth muscle spasm

-excess mucus production and accumulation

-hypertrophy of bronchial smooth muscle

-airflow obstruction

-decreased alveolar ventilation



Bronchioles ANS✔✔ smaller passageways that originate from the bronchi
that become the alveoli



3 layers of the bronchioles ANS✔✔ innermost layer

middle layer - lamina propria

, Solution 2024/2025
Pepper
outermost layer



lamina propria ANS✔✔ the middle layer of the bronchioles



structure of the lamina propria ANS✔✔ embedded with connective tissue
cells and immune cells



purpose of the lamina propria ANS✔✔ white blood cells are present to help
protect the airways



How does the lamina propria effect the lungs in regards to asthma ANS✔✔
the WBCs protective feature goes into overdrive causing an inflammatory
response that damages host tissue



What does the innermost layer of the bronchioles contain ANS✔✔ columnar
epithelial ells and mucus producing goblet cells



What does the outermost layer of the bronchioles contain ANS✔✔ smooth
muscle cells



what does the outermost layer of the bronchioles do ANS✔✔ control the
airways ability to constrict and dilate



alveolar hyperinflation ANS✔✔ When air is unable to move out of the
alveolar like it should due to bronchial walls collapsing around possible
mucus plug thus trapping air inside

, Solution 2024/2025
Pepper
how does hyperinflation occur? ANS✔✔ the ongoing inflammatory process of
asthma produces mucus and pus plug that the bronchial walls collapse
around



Effect of hyperinflation of the alveolar ANS✔✔ -expanded thorax and
hypercapnia (retention of CO2)

- respiratory acidosis



What are two anticholinergic drugs used for asthma ANS✔✔ tiotropium and
ipratropium



What do anticholinergics do in the lungs? ANS✔✔ These drugs block the
effects of the parasympathetic nervous system

- increasing bronchodilation



MOA of anticholinergic drugs for asthma ANS✔✔ the parasympathetic
system is stimulated by the vagal nerve to release acetylcholine which
binds to the cholinergic receptors of the respiratory tract to cause bronchial
constriction = decreased airflow



- blocking the cholinergic receptors prevents acetylcholine binding
preventing the bronchial constriction



bronchitis ANS✔✔ inflammation of the bronchial tubes



3 characteristics of bronchitis ANS✔✔ bronchial inflammation

hypersecretion of mucus

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