CCP CCP Temperature Management & Hypothermia

Question 1

What is the target nasopharyngeal temperature for deep hypothermic circulatory arrest (DHCA) in adults?

Accepted Answer

15-18°C

Answer

28-30°C

Answer

20-25°C

Answer

10-12°C

Question 2

Which temperature monitoring site most accurately reflects brain temperature during CPB cooling?

Accepted Answer

Nasopharyngeal

Answer

Rectal

Answer

Bladder

Answer

Esophageal

Question 3

What is the maximum safe rate of rewarming on CPB to avoid cerebral hyperthermia?

Accepted Answer

0.5°C per minute

Answer

1°C per minute

Answer

2°C per minute

Answer

No limit if gradual

Question 4

During hypothermic CPB, what happens to whole-body oxygen consumption (VO2)?

Accepted Answer

Decreases approximately 50% for every 10°C drop

Answer

Increases proportionally with cooling

Answer

Remains unchanged

Answer

Increases due to shivering

Question 5

Moderate hypothermia during CPB is defined as which core temperature range?

Accepted Answer

28-32°C

Answer

32-37°C

Answer

20-28°C

Answer

Below 20°C

Question 6

Which complication is most associated with overly rapid rewarming from deep hypothermia?

Accepted Answer

Cerebral hyperthermia and neurological injury

Answer

Coagulopathy

Answer

Pulmonary edema

Answer

Ventricular fibrillation