Pre-Test Basics of Shock
Quiz by Cassiopia Lippold
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22 questions
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- Q1What is the definition of shock?Systolic blood pressure < 65 mm HgWhen you are scared of somethingLactic acid production due to anaerobic metabolismMetabolic supply to tissues does not meet demand30s
- Q2What are the two pathways that pyruvate can take?Lactate production or gluconeogenesisLactate production or glycolysisKrebs cycle or lactate productionKrebs cycle or gluconeogenesis30s
- Q3Why does shock have increased lactic acid production (besides anaerobic metabolism)?Decreased clearance so no increased productionAll of it is from anaerobic metabolism from tissue ischemiaEpinephrine activation of alpha 2 receptorsEpinephrine activation of beta 2 receptors30s
- Q4How is lactate clearedCleared by kidneys and liverIt is metabolized by the brainIt is changed back into pyruvate to go into the Krebs cycleHoffman degradation30s
- Q5Cold shock is defined by…?Increased systemic vascular resistanceDecreased effective intravascular volumeDecreased or inadequate stroke volumeVasoconstriction (both venous and arterial)30s
- Q6Warm shock is defined by… ?Decreased systemic vascular resistanceDecreased afterloadIncreased preloadNarrow pulse pressure30s
- Q7What are the components of stroke volume?Afterload and contractilityPreload, afterload, and heart ratePreload, contractility, and systemic vascular resistancePreload, afterload and contractility30s
- Q8Which one does not cause a decrease in preload?VasodilationHemorrhageMyocarditisGI bleed30s
- Q9Which one does not cause a decrease in contractility?Cardiac ischemiaCongenital heart diseaseMyocarditisAortic stenosis30s
- Q10Which one does not cause increased afterload?Hypertensive emergencyAortic StenosisIncreased vasodilationLeft Ventricular outflow obstruction30s
- Q11What correlates with systolic blood pressure?End diastolic volumePeripheral Vascular ResistanceStroke volumeCardiac Output30s
- Q12What correlates with diastolic blood pressure?Cardiac OutputEnd diastolic volumeStroke volumePeripheral Vascular Resistance30s
- Q13What is the first compensation for a decrease in stroke volume to maintain cardiac output?Increase peripheral vascular resistanceEpinephrineIncrease heart rateDecreased urine output30s
- Q1414. What is the next step if an increase in heart rate is inadequate to maintain cardiac output?Decreased urine outputIncreased contractilityIncrease systemic vascular resistanceMore increased heart rate30s
- Q15What is cold shock?Decrease in stroke volume leading to increased systemic vascular resistanceDecrease in cardiac outputIncreased in systemic vascular resistance leading to bradycardiaIncrease in afterload30s