Deck 15: Hemodynamic Measurements

Question 1

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

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

Answer 1

D

Question 2

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

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

Answer 2

C

Question 3

What does cor pulmonale refer to?

A) left ventricle enlargement
B) right atrium enlargement
C) right ventricle enlargement
D) left atrium enlargement

Answer 3

C

Question 4

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

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

Question 5

What is the correct catheter placement to obtain the PCWP?

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

Question 6

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 7

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

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

Question 8

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? PCWP
PAW
PAO
PVR

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

Question 9

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

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

Question 10

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

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

Question 11

What does congestive heart failure refer to?

A) right ventricle
B) right atrium
C) left ventricle
D) left atrium

Question 12

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

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

Question 13

What is the normal adult BSA?

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

Question 14

Why is the pulmonary artery catheter used? to assess the effects of drugs
For diagnostic purposes
To monitor therapy
To collect data for assessments

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

Question 15

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

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

Question 16

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

Question 17

What primary therapeutic effect does nitroprusside have on hemodynamic parameters?

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

Question 18

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 19

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

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

Question 20

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

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

Question 21

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

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

Question 22

Which hemodynamic parameters would be decreased if a lung collapsed? CVP
CO
SVI
PVR

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

Question 23

Which hemodynamic parameter is most significantly impacted by CHF?

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

Question 24

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

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

Question 25

What impact would dobutamine and dopamine have on LVSWI?

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

Question 26

What effect would hypovolemia and CHF have on the RVSWI?

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

Question 27

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

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

Question 28

In COPD, which hemodynamic parameter is most increased?

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

Question 29

What would the LVSWI index equal if SVI is 42 mL/beat/m₂, MAP is 105 mm Hg, PCWP is 12 mm Hg?

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

Question 30

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

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

Question 31

Which of the following agents are considered to be negative inotropic drugs? Propranolol
Dobutamine
Isoproterenol
Atenolol

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

Question 32

What value is derived when SV is divided by BSA?

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

Question 33

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

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

Question 34

What effect would epinephrine have on CI and RVSWI?

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

Question 35

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

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

Question 36

What is "best PEEP"?

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

Question 37

What effect do propranolol and isoproterenol have on CI?

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

Question 38

Which measurement reflects the afterload of the right ventricle?

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

Question 39

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

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

Question 40

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

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

Question 41

Which of the following are factors that increase PVR?
I. Hyperinflation of lungs
II. Pharmacologic agents
III. Excessive exercise
IV. Chemical stimuli

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

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) 1170
C) 1640
D) 1227

Question 43

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

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

Question 44

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

A) Both would decrease SVR
B) Both would increase 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