Question Detail

BME 102 HEALTH TECHNOLOGY AND HUMAN SYSTEM: MAN AS A LIVING MACHINE Objective Question
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Question

What is a critical design constraint for pumps used in the cardiovascular system, according to the text?
Options
A They must operate at very low pressures to avoid damage.
B They must be designed carefully because blood cells are fragile and shear stress >400 Pa damages red cells.
Correct Answer
C They must only be made from titanium and UHMWPE.
D They must have a conduction velocity of 1-120 m/s.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 4 states: 'Design constraint: Blood cells are fragile. Shear stress >400 Pa damages red cells. So pumps must be designed carefully.'

Hint

Think about the delicate nature of blood components when designing devices that interact with blood flow.

Question Info

Course: BME 102
Topic: HEALTH TECHNOLOGY AND HUMAN SYSTEM: MAN AS A LIVING MACHINE
Type: Objective
Difficulty: Not specified
Question 22 of 182
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