CFRN Shock and Hemodynamic Monitoring

Question 1

A flight nurse is transporting a patient with a mean arterial pressure (MAP) of 55 mmHg, heart rate of 128 bpm, and cold clammy skin. Which type of shock is most consistent with these findings?

Accepted Answer

Hypovolemic shock

Answer

Distributive shock

Answer

Neurogenic shock

Answer

Obstructive shock

Question 2

Which hemodynamic profile is most characteristic of cardiogenic shock?

Accepted Answer

High SVR, low CO, high PCWP

Answer

Low SVR, high CO, low PCWP

Answer

Low SVR, high CO, high PCWP

Answer

High SVR, high CO, low PCWP

Question 3

A patient's blood pressure is 90/60 mmHg. What is the calculated mean arterial pressure (MAP)?

Accepted Answer

70 mmHg

Answer

63 mmHg

Answer

75 mmHg

Answer

80 mmHg

Question 4

A shock index greater than 1.0 in an adult trauma patient indicates:

Accepted Answer

Significant hemodynamic compromise requiring aggressive intervention

Answer

Mild hemodynamic instability requiring monitoring only

Answer

Normal compensated response to pain and anxiety

Answer

Isolated neurological injury without hemodynamic significance

Question 5

During transport of a septic patient, the flight nurse notes a central venous pressure (CVP) of 2 mmHg. This finding is most consistent with:

Accepted Answer

Hypovolemia requiring fluid resuscitation

Answer

Cardiac tamponade

Answer

Pulmonary hypertension

Answer

Right ventricular failure

Question 6

According to the American College of Surgeons, Class III hemorrhagic shock is characterized by blood loss of approximately:

Accepted Answer

1500–2000 mL (30–40% blood volume)

Answer

Up to 750 mL (up to 15% blood volume)

Answer

750–1500 mL (15–30% blood volume)

Answer

Greater than 2000 mL (>40% blood volume)

Question 7

Which vasopressor is considered first-line therapy for septic shock according to current Surviving Sepsis Campaign guidelines?

Accepted Answer

Norepinephrine

Answer

Epinephrine

Answer

Dopamine

Answer

Vasopressin