Exam 26: Endocrine Glands

High concentrations of glucocorticoids cause an increase in white blood cells.

The structure referred to historically as the master gland is the:

The hormone most likely to cause a shift from glucose catabolism to fat catabolism is:

Growth hormone and insulin are antagonistic hormones.

The pineal gland functions to support the body's biological clock.

Match each hormone with its structure, function, or the gland that produces it. -Hormone that causes an increase in blood calcium levels

Prolactin is produced by the acidophils in the pars anterior.

One difference between T₃ and T₄ is the number of iodine atoms attached to the molecule.

Parathyroid hormone (PTH) increases calcium absorption in the intestines by activating:

Which of the following is not true of glucocorticoids?

Identify the principal actions of the hormones of the thyroid and parathyroid glands.

Parathyroid hormone causes the kidney to retain calcium and excrete phosphate.

The endocrine cells of the pancreas make up about 15% of the pancreas.

The renin-angiotensin mechanism is a negative-feedback mechanism that helps maintain homeostasis of blood calcium levels.

Match each hormone with its corresponding description. -Causes water retention

Norepinephrine accounts for about 80% of adrenal medulla secretions.

Match each hormone with its structure, function, or the gland that produces it. -Hormone that is made by a fetal tissue component of the placenta

Aldosterone secretion is controlled mainly by the renin-angiotensin mechanism and by the blood potassium concentration.

Match each hormone with its corresponding description. -Stimulates the release of glucocorticoids and mineralocorticoids

Cells of the adenohypophysis can be classified as to their reaction to certain types of stain or their type of tissue (glandular or neurosecretory).