Which of the Following Would Not Result in the Dilation

question 64

Multiple Choice

Which of the following would not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds?

• A) an increase in local tissue carbon dioxide
• B) a decrease in local tissue oxygen content
• C) a local increase in histamine
• D) a local increase in pH

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Definitions:

Single Reduction

In mechanical systems, a gear arrangement where speed reduction and torque increase are accomplished in one single step or stage.

Differential Carrier

The housing that contains the differential assembly in a vehicle, responsible for allowing wheels to rotate at different speeds for smooth turns.

Gear Reduction

A mechanism that reduces the speed of an input shaft to a slower output speed, increasing torque in the process.

Steering Axles

Axles equipped with mechanisms for steering, allowing the vehicle to change direction; critical for maneuverability.