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NR 507. Advanced Pathophysiology Midterm Questions and Answers 2024 $14.49   Add to cart

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NR 507. Advanced Pathophysiology Midterm Questions and Answers 2024

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  • Course
  • NR 507 ADVANCED PATHOPHYSIOLOGY
  • Institution
  • NR 507 ADVANCED PATHOPHYSIOLOGY

NR 507. Advanced Pathophysiology Midterm

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  • September 22, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NR 507 ADVANCED PATHOPHYSIOLOGY
  • NR 507 ADVANCED PATHOPHYSIOLOGY
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NR 507. Advanced Pathophysiology
Midterm

Asthma - answer Chronic disease due to bronchoconstriction and an excessive
inflammatory response in the bronchioles

What are 5 s/s of asthma - answer coughing
wheezing
shortness of breath
rapid breathing
chest tightness

Pathophysiology of asthma (5) - answer-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 - answersmaller passageways that originate from the bronchi that become
the alveoli

3 layers of the bronchioles - answerinnermost layer
middle layer - lamina propria
outermost layer

lamina propria - answerthe middle layer of the bronchioles

structure of the lamina propria - answerembedded with connective tissue cells and
immune cells

purpose of the lamina propria - answerwhite blood cells are present to help protect the
airways

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

What does the innermost layer of the bronchioles contain - answercolumnar epithelial
ells and mucus producing goblet cells

, What does the outermost layer of the bronchioles contain - answersmooth muscle cells

what does the outermost layer of the bronchioles do - answercontrol the airways ability
to constrict and dilate

alveolar hyperinflation - answerWhen 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

how does hyperinflation occur? - answerthe ongoing inflammatory process of asthma
produces mucus and pus plug that the bronchial walls collapse around

Effect of hyperinflation of the alveolar - answer-expanded thorax and hypercapnia
(retention of CO2)
- respiratory acidosis

What are two anticholinergic drugs used for asthma - answertiotropium and ipratropium

What do anticholinergics do in the lungs? - answerThese drugs block the effects of the
parasympathetic nervous system
- increasing bronchodilation

MOA of anticholinergic drugs for asthma - answerthe 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 - answerinflammation of the bronchial tubes

3 characteristics of bronchitis - answerbronchial inflammation
hypersecretion of mucus
chronic productive cough for at least 3 consecutive months for at least 2 successive
years

Perfusion - answerThe supply of oxygen to and removal of wastes from the cells and
tissues of the body as a result of the flow of blood through the capillaries.

results of chronic bronchitis/ low perfusion - answercyanosis
right to left shunting
chronic hypoxemia

Why is there cyanosis with chronic bronchitis - answerthere is hypoxia due to
unfavorable conditions for gas exchange

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