Which of the Following Is an Example of Positive Feedback

question 82

Multiple Choice

Which of the following is an example of positive feedback during labor?

• A) the movement of the fetus toward the cervical canal
• B) the pressure the unborn exerts on the cervix
• C) the distortion of the myometrium stimulates oxytocin release
• D) the dilation of the cervix followed by the rupture of the amnion
• E) the ejection of the placenta at the end of the placental stage

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Definitions:

Mitral Regurgitation

A condition in which the heart's mitral valve does not close properly, allowing blood to flow backward into the left atrium when the left ventricle contracts.

Mitral Stenosis

A heart valve disorder that involves the narrowing of the mitral valve, leading to restricted blood flow from the left atrium to the left ventricle.

Aortic Regurgitation

A heart condition where the aortic valve does not close properly, causing blood to flow backward into the heart.

Cardiomyopathy

A disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body.