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Exam (elaborations)

2024 MSN 570 ADVANCE PATHO EXAM WITH CORRECT ANSWERS

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  • MSN 570 ADVANCE PATHO

2024 MSN 570 ADVANCE PATHO EXAM WITH CORRECT ANSWERS

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  • October 31, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • how is mi diagnosed
  • where doe
  • MSN 570 ADVANCE PATHO
  • MSN 570 ADVANCE PATHO
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Elitaa
2024 MSN 570 ADVANCE PATHO
EXAM WITH CORRECT ANSWERS



MI - CORRECT-ANSWERSDeath of myocardium from sudden blockage of
coronary artery blood flow

What causes cell death in MI? - CORRECT-ANSWERSunstable plaque breaks
off, triggering platelet aggregation, coagulation cascade and thrombus
formation. continued no blood flow in 10 seconds ischemia, 20 minutes cell
die

What consequence of cell death leads to CP? - CORRECT-ANSWERShypoxia
as cannot meet cell demand for oxygen

How is MI diagnosed - CORRECT-ANSWERSEKG (STEMI) or elevated Troponin
(non-STEMI)

What might you find in blood consistent with MI? - CORRECT-
ANSWERSelevated CK MB, Troponin

Describe cardia cycle - CORRECT-ANSWERSdeoxygenated blood enters R
side of heart from SVC/IVC then tricuspid to R ventricle then to pulmonic vale
then to pull artery to lungs pick up o2 to pulmonary veins to l atrium trough
mitral valve to left ventricle to aorta to body

Describe the RAAS system - CORRECT-ANSWERSRegulates BP and CO

1. In presence of low blood volume, renal perfusion decreases (↓ blood flow
to kidney decreases GFR) = secretion of renin from juxtaglomerular cells in
kidney.

2. Renin converts angiotensinogen (from liver) to angiotensin I. I is converted
to II by ACE in lungs = vasoconstriction and aldosterone release from
adrenals

4. ↑ Aldosterone secretion = more Na and H20 reabsorption = increased BP
from increase blood volume

What is a hypertensive emergency? - CORRECT-ANSWERSBP >180/120
associated with end organ damage and symptomatic patient

, what is Hypertensive urgency? - CORRECT-ANSWERSSBP>180 and DBP >120
and non other symptoms

what are the three stages of shock progression? - CORRECT-
ANSWERSCompensatory, progressive and irreversible

What is distributive shock? - CORRECT-ANSWERSvasodilation causes
hypovolemia (decreased blood volume)

What is anaphylactic shock? - CORRECT-ANSWERSSevere allergic reaction

What is cardiogenic shock? - CORRECT-ANSWERSType of shock when the Left
ventricle cannot maintain adequate cardiac output

Why is CO2 high in pulmonary conditions? - CORRECT-ANSWERSpoor
ventilation

Why is O2 low in COPD? - CORRECT-ANSWERSpoor perfusion

Where does gas exchange occur in the lungs? - CORRECT-ANSWERSbetween
the alveoli and capillaries

what structures make up the air conditioning system of the lungs? -
CORRECT-ANSWERSnasal and oral cavity, paranasal sinus, pharynx,
epiglotis, larynx, trachea, bronchi and bronchioles

What does the epiglottis do? - CORRECT-ANSWERSprevents food from
entering the trachea during swallowing

What do the bronchioles do? - CORRECT-ANSWERScontrols air flow in lungs;
transport air to alveoli

What does the alveoli do? - CORRECT-ANSWERSprovide area for exchange of
O2 and CO2

What do goblet cells do? - CORRECT-ANSWERSproduce mucus

what do cilia do in the nose? - CORRECT-ANSWERSMove mucus and dust
back through wave like motion to propel mucus where it can be removed
through sneezing, coughing or expectorating.

what decreases mucus production? - CORRECT-ANSWERScigarette smoking,
air pollution and alcohol

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