The Conversion of Mammary Glands from Resting to Active States

question 52

Multiple Choice

The conversion of mammary glands from resting to active states requires the presence of both placental hormones and

• A) oxytocin and insulin.
• B) progesterones and estrogens.
• C) human chorionic gonadotropin and parathyroid hormones.
• D) glucagon and somatostatin.
• E) growth hormones, prolactin, and thyroid hormones.

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Definitions:

External Ear

Portion of the ear that includes the auricle and external acoustic meatus; terminates at the eardrum.

Depth Perception

Ability to distinguish between near and far objects and to judge their distance.

Pupillary Dilation

The enlargement of the pupil, controlled by the muscular iris, in response to low light conditions or other factors.

Vitamin D

A fat-soluble vitamin essential for maintaining normal calcium metabolism and bone health.