Chapter 10 Endocrine

Which hormone is released by the organ labeled "G"?

ANP

What are chemical messengers that affect target cells?

Hormones

Which of the following is the primary mineralocorticoid?

aldosterone

A rise in the concentration of solutes in the blood or a fall in the blood volume will cause the release of __________.

antidiuretic hormone (ADH)

n this histological view of the thyroid gland, which hormone is produced by the cell labeled "C"?

calcitonin

Luteinizing hormone (LH) causes which of the following effects?

ovulation

Iodine is extremely important in the formation of what hormone?

thyroxine (T4)

As two different hormones reach the same cell they counteract the effect of one another. This outcome is known as a(n) ________.

antagonistic effect

Beta cells of the pancreas produce which hormone?

insulin

is NOT matched with the correct hormone?

Hypothalamus: cortiso

What would happen to a person whose body is unable to produce a sufficient amount of gonadotropins?

The person will not undergo sexual maturation.

Parathyroid hormone (PTH) will increase blood levels of __________.

calcium

Which of the following structures regulates the activities of both the nervous and the endocrine systems?

Hypothalamus

Which of the following stimulates the release of steroid hormones by the adrenal cortex?

ACTH

A patient's blood panel indicates high levels of blood calcium. Which of the following hormones is most likely not being produced in sufficient quantity?

Calcitonin

Neurotransmitters are to the nervous system as ________ to the endocrine system.

Hormones

For a hormone to perform its function when it reaches its target cell, it must ________

bind to specific receptor on or inside the target cell

The portion of the adrenal gland labeled "E" is the __________. It releases the hormone __________.

medulla, epinephrine

High thyroid-stimulating hormone (TSH) concentration in the blood indicates ________.

low concentration of thyroid hormones

Hormones that control endocrine cell secretion by either stimulating or preventing the synthesis of anterior pituitary hormones are known as ________.

regulatory hormones

The hypophyseal portal system is a network of blood vessels connecting __________.

the pituitary gland to the hypothalamus

A patient's urine sample indicates high levels of insulin. This condition would be attributed to the malfunction of which of these endocrine cells?

Beta cells

Consider the stress response. Unlike the resistance phase, the alarm phase ________.

involves the activation of the "fight or flight" response

Which of the following hormones is NOT matched with its correct function?

Melatonin: skin color

What is released by the kidney in response to low oxygen levels in the kidney?

erythropoietin

Which endocrine organ is labeled "F" and which of its hormones raises blood sugar?

pancreas, glucagon