NURS 5463 TEST 1QUESTIONS WITH VERIFIED
ANSWERS
Atypical s/s of AMI in older adults - Answers - diaphoresis, SOB, N/V, AMS, syncope
What differential diagnoses are most important when presenting with chest pain? -
Answers - AMI, PE, PTX, aortic dissection, esophageal rupture
What is considered ST elevation in men and women? - Answers - Men = 2mm
Women = 1.5mm
OR new LBBB in 2 leads
Which troponin is more specific? I or T? - Answers - Troponin I is more specific
How often to check troponins? - Answers - Q6h
What 2 things can exclude PE? - Answers - Negative DDIMER & low Wells score
Paradoxical abd movement during inspiration indicates... - Answers - impending
respiratory failure...indicates fatigue
If a pt c/o dyspnea, it's always important to determine if... - Answers - they have a
problem with gas exchange
Hypoxia - Answers - Reduced level of tissue oxygenation
Hypoxemia - Answers - decrease in partial pressure of oxygen in the blood
Causes of hypoventilation? Treatment? - Answers - CNS dep, narcs, obesity, A-a
gradient, elevated CO2.....corrects with oxygen
Most common cause of hypoxia - Answers - VQ mismatch
Causes of VQ mismatch - Answers - COPD, asthma, ILD, PNA, increased A-a gradient
Does VQ mismatch improve with O2? - Answers - Yes
Causes of right to left shunt? - Answers - anatomic (heart problems), physiologic (PNA,
ARDs, atelectasis)
Does right to left shunt respond to oxygen? - Answers - difficult to correct with O2
Causes of diffusion impairment - Answers - PF, PCP, emphysema
ANSWERS
Atypical s/s of AMI in older adults - Answers - diaphoresis, SOB, N/V, AMS, syncope
What differential diagnoses are most important when presenting with chest pain? -
Answers - AMI, PE, PTX, aortic dissection, esophageal rupture
What is considered ST elevation in men and women? - Answers - Men = 2mm
Women = 1.5mm
OR new LBBB in 2 leads
Which troponin is more specific? I or T? - Answers - Troponin I is more specific
How often to check troponins? - Answers - Q6h
What 2 things can exclude PE? - Answers - Negative DDIMER & low Wells score
Paradoxical abd movement during inspiration indicates... - Answers - impending
respiratory failure...indicates fatigue
If a pt c/o dyspnea, it's always important to determine if... - Answers - they have a
problem with gas exchange
Hypoxia - Answers - Reduced level of tissue oxygenation
Hypoxemia - Answers - decrease in partial pressure of oxygen in the blood
Causes of hypoventilation? Treatment? - Answers - CNS dep, narcs, obesity, A-a
gradient, elevated CO2.....corrects with oxygen
Most common cause of hypoxia - Answers - VQ mismatch
Causes of VQ mismatch - Answers - COPD, asthma, ILD, PNA, increased A-a gradient
Does VQ mismatch improve with O2? - Answers - Yes
Causes of right to left shunt? - Answers - anatomic (heart problems), physiologic (PNA,
ARDs, atelectasis)
Does right to left shunt respond to oxygen? - Answers - difficult to correct with O2
Causes of diffusion impairment - Answers - PF, PCP, emphysema
