Which of the following is an example of a negative feedback loop? Select one: a. Uterine contractions to expel a fetus during labor b. Platelets signaling other platelets to activate during bleeding c. The formation of a clot after a laceration d. Increasing heart rate to compensate for low cardiac output

d

Explanation:

The correct answer would be increasing heart rate to compensate for low cardiac output.

The negative feedback loop is the mechanism that is utilized in the maintenance of homeostasis. They work by opposing the processes that bring about a deviation away from setpoints, that is, the normal range of operation of physiological processes in the body.

For example, when the heart rate goes below the setpoint, the negative feedback loop swings into action through the sensor, the control center, and the effector to return the heart rate to the normal operating range.

Correct option: d

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explanation:

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