Deck 15: Hemodynamic Measurements

Question 1

What is the normal range for CVP in a healthy adult?

A) 0-8 mm Hg
B) 0-8 cm H20
C) 9-18 mm Hg
D) 9-18 cm H20

Answer 1

A

Question 2

If a patient has a heart rate of 70 beats/min and a cardiac output of 4.9 L/min,what would the SV equal?

A) 70 mL/beat
B) 0.7 L/beat
C) 343 mL/beat
D) 34.3 mL/beat

Answer 2

A

Question 3

What is the term for the study of forces that influence the circulation of blood?

A) hemodynamics
B) hematology
C) cardiology
D) pulmodynamics

Answer 3

A

Question 4

What primary therapeutic effect does nitroprusside have on hemodynamic parameters?

A) It lowers afterload
B) It elevates afterload
C) It lowers preload
D) It elevates preload and afterload

Question 5

Which of the following can be measured directly via a pulmonary artery catheter?
I)CVP
II)RAP
III)PCWP
IV)PVR

A) I, II, and III only
B) I, II, III, and IV
C) I and III only
D) II and IV only

Question 6

What is the normal adult BSA?

A) 1.5 - 2 m²
B) 1.1-1.49 m²
C) 2.1-2.49 m²
D) 2.5-3 m²

Question 7

In a healthy adult at rest,what is the normal range for stroke volume?

A) 60-130 mL
B) 30-65 mL
C) 20-120 mL
D) 40-60 mL

Question 8

What is the normal range for right atrial pressure in a healthy adult?

A) 0-8 mm Hg
B) 4-12 mm Hg
C) 9-18 mm Hg
D) 19-24 mm Hg

Question 9

In a healthy adult at rest,what is the normal range for cardiac index?

A) 2.5-4.2 L/beat/m²
B) 0.5-2.4 mL/beat/m²
C) 4.3 - 5.8 mL/beat/m²
D) 5.9-6.4 mL/beat/m²

Question 10

What does CO divided by HR equal?

A) SV
B) SVI
C) CI
D) SVR

Question 11

What is the normal range for pulmonary capillary wedge pressure in a healthy adult?

A) 4-12 mm Hg
B) 0-8 mm Hg
C) 9-18 mm Hg
D) 19-24 mm Hg

Question 12

What is the normal range for cardiac output in a healthy adult at rest?

A) 4-8 L/min
B) 0-8 L/min
C) 4-12 L/min
D) 0-12 L/min

Question 13

What is the normal range for mean pulmonary artery pressure in a healthy adult?

A) 9-18 mm Hg
B) 0-8 mm Hg
C) 9-18 cm H₂O
D) 0-8 cm H₂O

Question 14

In a healthy adult at rest,what is the normal range for PVR in dynes x sec x cm⁻⁵ ?

A) 20-120
B) 800 - 1500
C) 120-500
D) 500-800

Question 15

What is the correct catheter placement to obtain the PCWP?

A) pulmonary artery
B) pulmonary capillaries
C) right ventricle
D) pulmonary veins

Question 16

In a healthy adult at rest,what is the normal range for SVR in dynes x sec x cm⁻⁵ ?

A) 800 - 1500
B) 20-120
C) 120-500
D) 500-800

Question 17

Which of the following abbreviations indicate the intermittent pressure measurement obtained when a pulmonary artery catheter is advanced into the PA and the balloon on the catheter tip is inflated?
I)PCWP
II)PAW
III)PAO
IV)PVR

A) I, II, and III only
B) I, II, and IV only
C) I only
D) II, III, and IV only

Question 18

In a healthy adult at rest,what is the normal range for left ventricular stroke work index ?

A) 40-60 g m/m²
B) 2-19 g m/m²
C) 20-39 g m/m²
D) 61-80 g m/m²

Question 19

In a healthy adult at rest,what is the normal range for stroke volume index?

A) 30-65 mL/beat/m²
B) 60-130 mL/beat/m²
C) 20-120 mL/beat/m²
D) 40-80 mL/beat/m²

Question 20

In a healthy adult at rest,what is the normal range for right ventricular stroke work index ?

A) 7-12 g m/m²
B) 0-7 g m/m²
C) 13 - 15 g m/m²
D) 16-18 g m/m²

Question 21

Which hemodynamic parameter would be most decreased when hypovolemia is present?

A) CVP
B) PVR
C) SVR
D) CVP and PVR

Question 22

What would the LVSWI index equal if SVI is 42 mL/beat/m?,MAP is 105 mm Hg,PCWP is 12 mm Hg?

A) 53 g m/ m²
B) 42 g m/ m²
C) 73 g m/ m²
D) 64g m/ m²

Question 23

Which of the hemodynamic parameters are most affected by cor pulmonale?

A) CVP and RAP
B) CO and CI
C) SV and SVI
D) PVR and SVR

Question 24

What effects would late stage septic shock and CHF have on SV and CO?

A) The SV and CO would both decrease
B) The SV and CO would both increase
C) SV would decrease but CO would increase
D) SV would increase but CO would decrease

Question 25

What effect would epinephrine have on CI and RVSWI?

A) both would increase
B) both would decrease
C) CI would increase but RVSWI would decrease
D) CI would decrease and RVSWI would increase

Question 26

What effect do propranolol and isoproterenol have on CI?

A) Propranolol will decrease CI; isoproterenol will increase CI
B) Propranolol will increase CI; isoproterenol will decrease CI
C) Both will increase CI
D) Both will decrease CI

Question 27

Which of the following agents are considered to be negative inotropic drugs?
I)Propranolol
II)Dobutamine
III)Isoproterenol
IV)Atenolol

A) I and IV only
B) I. II, III. and IV
C) I, III, and IV only
D) I only

Question 28

What impact would dobutamine and dopamine have on LVSWI?

A) Both would increase it
B) Both would decrease it
C) dobutamine would increase it while dopamine would decrease it
D) dopamine would increase it while dobutamine would decrease it

Question 29

What value is derived when SV is divided by BSA?

A) SVI
B) CI
C) RVSWI
D) LVSWI

Question 30

Which hemodynamic parameters would be decreased if a lung collapsed?
I)CVP
II)CO
III)SVI
IV)PVR

A) II and III only
B) I, II, III, and IV
C) I and IV only
D) I, II, and III only

Question 31

Which measurement reflects the afterlaod of the right ventricle?

A) PVR
B) RVSWI
C) SVR
D) LVSWI

Question 32

What effect would myocardial infarction and pulmonary emboli have on SVI?

A) They would decrease SVI
B) They would increase SVI
C) MI would decrease SVI and pulmonary emboli would have no effect on SVI
D) Pulmonary emboli would decrease SVI and myocardial infarction would increase SVI

Question 33

What effect would hypovolemia and CHF have on the RVSWI?

A) Both would decrease it
B) Both would increase it
C) CHF would decrease it and hypovolemia would not affect it
D) Hypovolemia would decrease it and CHF would increase it

Question 34

Which hemodynamic value reflects the amount of work required by the right ventricle to pump blood?

A) RVSWI
B) SV
C) SVI
D) RAP

Question 35

Which hemodynamic parameter is a reflection of the contractility of the left ventricle?

A) LVSWI
B) cardiac output
C) CI
D) stroke volume

Question 36

In COPD,which hemodynamic parameter is most increased?

A) mean pulmonary artery pressure
B) PCWP
C) SVR
D) cardiac output

Question 37

Which hemodynamic parameter is most significantly impacted by CHF?

A) PCWP
B) CVP
C) RVSWI
D) SVR

Question 38

What is "best PEEP"?

A) The PEEP level that has the least hemodynamic compromise and the maximum total oxygen delivery
B) The PEEP level that has the lowest effect on PaCO₂
C) The PEEP level that delivers the highest PaO₂ with the least hemodynamic compromise
D) The PEEP level that delivers the highest cardiac output

Question 39

Which hemodynamic value is derived by dividing cardiac output by BSA?

A) CI
B) SVI
C) HR
D) SV

Question 40

What effect would early septic shock and hyperthermia have on stroke volume?

A) both would increase the stroke volume
B) both would decrease the stroke volume
C) hyperthermia would increase the stroke volume but early septic shock would lower it
D) early septic shock would increase the SV but hyperthermia would lower it

Question 41

How is PVR affected by acidemia,hypercapnia,and alveolar hypoxia?

A) They cause PVR to increase
B) They cause PVR to decrease
C) Hypoxia increases PVR while acidemia and hypercapnia decrease PVR
D) Acidemia and hypercapnia increase PVR while hypoxia decreases PVR

Question 42

Which would the SVR equal (dynes x sec x cm⁻⁵)if MAP equals 90 mm Hg,CVP is 8 mmHg,and CO is 4.5 L/min?

A) 1457
B) 1227
C) 1640
D) 1170

Question 43

.What effect does late stage septic shock and decreased PCO₂ have on SVR?

A) Both would increase SVR
B) Both would decrease SVR
C) Late stage septic shock would increase SVR and decreased PCO₂ would not affect SVR
D) Decreased PCO₂ would decrease SVR while late stage septic shock would increase SVR

Question 44

Which hemodynamic meausrement would be most increased when a pulmonary embolism is present?

A) mean pulmonary pressure
B) SVR
C) PCWP
D) LVSWI