Hemodynamics final exam questions with correct answers

Hemodynamics final exam questions with
correct answers

what |is |th |normal |approximate |value |for |O2 |consumption |- |CORRECT |ANSWER✔✔-250 |ml/min



what |methods |are |used |to |measure |O2 |consumption

1. |fick |method

2. |analysis |of |inspired |and |expired |gases

3 |V/Q |scans |- |CORRECT |ANSWER✔✔-1 |and |2 |only



what |is |the |best |single |measure |of |effective |ventilation |in |the |intensive |care |unit |patient |- |
CORRECT |ANSWER✔✔-PaCO2



what |is |the |normal |arterial |pressure |- |CORRECT |ANSWER✔✔-90 |mmHg



what |is |the |normal |central |venous |pressure |reading |- |CORRECT |ANSWER✔✔-2 |to |6 |mmHg



what |is |the |normal |mean |pulmonary |artery |pressure |in |adults |- |CORRECT |ANSWER✔✔-14 |
mmHg



what |is |the |normal |range |for |cardiac |output |- |CORRECT |ANSWER✔✔-4 |to |8 |L/min



what |is |the |normal |range |for |adult |pulmonary |capillary |wedge |pressure |- |CORRECT |
ANSWER✔✔-4 |to |12 |mmHg

,which |of |the |following |are |associated |with |an |increase |in |central |venous |pressure

1. |right |heart |failure

2. |pulmonary |valvular |stenosis

3. |pulmonary |embolism

4. |dehydration |- |CORRECT |ANSWER✔✔-1, |2, |and |3



what |parameter |is |best |used |to |assess |left |ventricular |afterload |- |CORRECT |ANSWER✔✔-SVR



which |of |the |following |are |used |to |determine |a |patients |neurologic |status

1. |measuring |VD/VT |ratio

2. |pupillary |response |and |eye |movement |

3. |corneal |and |gag |reflex

4. |respiratory |rate |and |pattern |- |CORRECT |ANSWER✔✔-2, |3, |and |4 |only



which |of |the |following |factors |affect |cardiac |performance

1. |preload

2. |afterload

3. |contractility

4. |cardiac |output |- |CORRECT |ANSWER✔✔-1, |2 |and |3 |only



what |is |the |normal |pulmonary |vascular |resistance |- |CORRECT |ANSWER✔✔-<2.5 |mmHg/l/min |
and |200 |Dynes/sec/cm-5



what |is |the |normal |pulse |pressure |- |CORRECT |ANSWER✔✔-40 |mmHg



what |two |factors |determine |cardiac |output

, 1. |stroke |volume

2. |heart |rate

3. |cardiac |index

4. |arterial |oxygen |content |- |CORRECT |ANSWER✔✔-1 |and |2 |only



what |is |the |normal |arterial |oxygen |content |- |CORRECT |ANSWER✔✔-17-20 |%vol



what |is |the |normal |arterial |venous |oxygen |content |difference |- |CORRECT |ANSWER✔✔-4-5 |
%vol



what |is |the |normal |mixed |venous |oxygen |content |- |CORRECT |ANSWER✔✔-12-16 |%vol



what |is |the |most |frequently |used |inotropic |drug |for |patients |with |heart |failure |- |CORRECT |
ANSWER✔✔-digitalis



a |pts |heart |rate |is |100 |beats/minute |and |his |cardiac |output |is |5 |l/min. |calculate |the |stroke |
volume |- |CORRECT |ANSWER✔✔-50 |ml



potential |complications |associated |with |arterial |lines |include

1. |hemorrhage

2. |air |emboli

3. |infection

4. |altered |skin |integrity

5. |impaired |circulation |- |CORRECT |ANSWER✔✔-all |of |the |above



low |CVP |may |be |associated |with |- |CORRECT |ANSWER✔✔-hypovolemia