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Nurs 5463 Test 1 Questions And Accurate Solutions
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Nurs 5463 Test 1 Questions And AccurateSolutions 2025-2026
What are the 3 types of medical futility? - Answer Physiologic futility
Qualitative futility
Quantitative futility
Medically certain that is impossible to achieve a physiologic effect - Answer Physiologic
futility
Patient's physiology may improve, but there is no patient-centered benefit - Answer
Qualitative futility
Intervention has not worked in similar patients - Answer Quantitative futility
Atypical s/s of AMI in older adults-Answer diaphoresis, SOB, N/V, AMS, syncope
What are the most important differential diagnoses when presenting with chest pain?
-Answer AMI, PE, PTX, aortic dissection, esophageal rupture
What is considered ST elevation in men and women? -Answer Men = 2mm
Women = 1.5mm
OR new LBBB in 2 leads
Which troponin is more specific? I or T? -Answer Troponin I is more specific
, How often to check troponins? - Q6h
What 2 things can exclude PE? - Negative DDIMER & low Wells score
Paradoxical abd movement during inspiration indicates. - impending respiratory
failure.indicates fatigue
If a pt c/o dyspnea, it's always important to determine if. - they have a problem with gas
exchange
Hypoxia Reduced level of tissue oxygenation
Hypoxemia - decrease in partial pressure of oxygen in the blood
Causes of hypoventilation? Treatment? - CNS dep, narcs, obesity, A-a gradient, elevated
CO2.corrects with oxygen
Most common cause of hypoxia - VQ mismatch
Causes of VQ mismatch - COPD, asthma, ILD, PNA, increased A-a gradient
Does VQ mismatch improve with O2? - Yes
Causes of right to left shunt? - anatomic-heart problems, physiologic-PNA, ARDs,
atelectasis
Does right to left shunt respond to oxygen? -Answer difficult to correct with O2
Causes of diffusion impairment -Answer PF, PCP, emphysema
Does diffusion impairment correct with O2? What makes it worse? -Answer Worsens
with activity, corrects with oxygen
What is the cause of reduced inspired oxygen tension? Does it correct with O2? -Answer
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