The Placenta Is Not a Source of Which of the Following

question 21

Multiple Choice

The placenta is not a source of which of the following hormones?

• A)hCG
• B)relaxin
• C)placental lactogen
• D)progesterone
• E)prolactin

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Definitions:

Diastolic Blood Pressure

The pressure in the arteries when the heart is at rest between beats; it is the lower number in a blood pressure reading.

Pulmonic Valve

A heart valve located between the right ventricle and the pulmonary artery, regulating blood flow to the lungs.

Aortic Valve

A valve in the human heart between the left ventricle and the aorta that prevents blood from flowing back into the heart chamber after it has been ejected.

Cardiac Cycle

The sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, encompassing systole and diastole phases.