a&p: endocrine system

When blood glucose levels fall,

glucagon is released.

Hormone concentration levels are most commonly controlled by

negative feedback

Melatonin is the hormone produced by the ________.

pineal gland

Excessive urine production, which is a characteristic symptom of all forms of diabetes, is known as

polyuria

The endocrine system

relies on the release of chemicals that bind to target cells

Peripheral structures sensitive to the presence of hormones are called ________.

target cells

Hormone-producing cells of the testes produce

testosterone.

Hormones produced by the ________ are derived from molecules to which iodine atoms have been attached.

thyroid gland

Increased levels of the hormone ________ will lead to decreased levels of calcium ions in the blood.

calcitonin

All hormones are

chemical messengers

Cells of the adrenal cortex produce

corticosteroids

Which of the following hormones is/are produced by both the testes and the ovaries?

inhibin

The posterior pituitary gland secretes

oxytocin (OT)

Hormones from which of the following glands are responsible for the calorigenic effect?

thyroid gland

When a protein or peptide hormone binds to receptors on the surface of a cell,

a second messenger appears in the cytoplasm

Which of the following is released by the posterior pituitary?

antidiuretic hormone (ADH)