Answer to Question 1
Correct Answer: 1
Rationale 1: Sequential compression devices simulate the blood flow that results from walking.
Rationale 2: Sequential compression devices do not prevent lymph drainage buildup in the tissues.
Rationale 3: Sequential compression devices do not exercise the muscles of the leg.
Rationale 4: Sequential compression devices are not used instead of walking out of bed.
Answer to Question 2
Correct Answer: 3
Rationale 1: Extensive damage occurs after 4 to 6 minutes.
Rationale 2: Extensive damage occurs after 4 to 6 minutes.
Rationale 3: After 4 to 6 minutes, the lack of oxygen supply to the brain causes permanent and extensive damage.
Rationale 4: The person is clinically dead 20 to 40 minutes after the heart stops beating.