Which of the Following Statements About Reproductive Behaviors' Effects on Cancer

question 86

Multiple Choice

Which of the following statements about reproductive behaviors' effects on cancer rates is FALSE?

• A)Early onset of menarche increases risk for breast and ovarian cancer.
• B)Breastfeeding decreases the risk of breast cancer.
• C)Pregnancy appears to increase the risk for breast and ovarian cancer.
• D)The benefits of pregnancy, in terms of cancer rates, appear greatest if a woman has her first pregnancy before the age of 30.

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Dendrites

The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the body, or soma, of the neuron.

Myelin Sheath

A fatty layer that encases the axons of many neurons, speeding up the transmission of nerve impulses.

Multiple Sclerosis

A chronic autoimmune disease that affects the central nervous system, leading to various neurological symptoms.