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Pre- Test Management of Shock

Quiz by Cassiopia Lippold

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49 questions
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  • Q1
    Why is the initial blood pressure goal >65 mm Hg?
    Because it is a nice round number
    A large study showed that it is more harmful to the kidney and cardiac muscle when higher than 70 mm Hg
    A large study showed that patients had significant renal and myocardial injury when higher than 65 mm Hg
    Dogs overall did better in a study
    30s
  • Q2
    What is the main goal in treating septic shock?
    To have a balance between perfusing organs and cellular death
    To allow / facilitate with antibiotic circulation
    To get the MAP greater than 65 mm Hg
    To perfuse the brain, and cardiac muscle
    30s
  • Q3
    Why is lactate produced during shock?
    Purely due to anaerobic metabolism of pyruvate to lactate from cell hypoxia
    Krebs cycle malfunction due to ischemia
    Mitochondrial increased demand from glycogen to glucose and glycolysis from beta 2 stimulation
    Combination of anaerobic metabolism and epinephrine cause glycolysis
    30s
  • Q4
    What is the equation for cardiac output?
    Stroke volume – peripheral vascular resistance
    (Preload – after load) X contractility
    LOVT area X LVOT velocity
    Heart rate x Stroke Volume
    30s
  • Q5
    What is the calculation of oxygen delivery?
    [(1.32 x hemoglobin x SaO2) x cardiac output] + (0.003 X PaO2)
    Heart rate x stroke volume x (1/ hematocrit)
    [cardiac output x (1/ hematocrit) X (SVR)] - (0.003 X PaO2)
    [(1.5 x hemoglobin x SaO2) x heart rate x (PVR-SVR)] + (0.03 X PaO2)
    30s
  • Q6
    What are signs of poor perfusion?
    Decrease in urine output, decreased capillary refill time, mottled extremities
    Mental status change, increase in heart rate, increase in lactic acid, decrease in urine output, increased capillary refill time
    Mottled extremities increase in heart rate, increase in lactic acid, decrease in urine output, increased capillary refill time
    Mental status change, increase in lactic acid, increase in urine output, decreased capillary refill time, hemoconcentration
    30s
  • Q7
    Which medications are pure vasopressors?
    Norepinephrine, vasopressin, epinephrine
    Phenylephrine, vasopressin
    Epinephrine, phenylephrine
    Norepinephrine, and epinephrine
    30s
  • Q8
    What does inotropic mean?
    Increase contractility
    Increase conduction velocity
    Increase heart rate
    Increase diastolic filling time
    30s
  • Q9
    What does chronotropic mean?
    Increase heart rate
    Increase contractility
    Increase conduction velocity
    Increase diastolic filling time
    30s
  • Q10
    What does inopressor mean?
    induces venous vasoconstriction and arterial vasodilation
    increases cardiac contractility and induces vasodilation
    increases heart rate and causes arterial vasoconstriction
    increases cardiac contractility and induces vasoconstriction
    30s
  • Q11
    Which medications are inopressors?
    Norepinephrine, dobutamine, epinephrine
    Norepinephrine, epinephrine, dopamine
    Phenylephrine, vasopressin
    Epinephrine, dopamine
    30s
  • Q12
    What does inodilator mean?
    induces venous vasoconstriction and arterial vasodilation
    increases cardiac contractility and induces vasoconstriction
    increases heart rate and causes arterial vasoconstriction
    increases cardiac contractility and induces vasodilation
    30s
  • Q13
    Which medications are inodilators?
    Epinephrine, dopamine, milrinone
    Dobutamine, milrinone, dopamine
    isoproterenol, dobutamine, milrinone
    Milrinone, dobutamine, epinephrine
    30s
  • Q14
    Vasopressin works on which receptors?
    V2 only
    V1 at low doses and then V2>V1 at high doses
    V2 at low doses and then V1>V2 at high doses
    V1 and V2
    30s
  • Q15
    What receptor causes free water reabsorption in the kidney?
    V1
    V2
    V1 and V2
    30s

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