Chapter 10 Quiz

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

The person will not undergo sexual maturation

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

[medulla; epinephrine] The inner portion of the adrenal gland is the medulla, and it releases epinephrine and norepinephrine. ?The cortex is the superficial layer of the adrenal gland. Cortisol is released by the zona fasciculata of the adrenal cortex.

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

low concentration of thyroid hormones

The hormone responsible for daily changes in physiological processes that follow a day-night pattern is

melatonin

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

antagonistic effect

Estrogen

is released by the ovaries

Which of the following glands is NOT matched with the correct hormone?

[Hypothalamus: cortisol] YES match-Adrenal gland: norepinephrine; Pituitary gland: FSH; Pancreas: glucagon

Which of the following organs is NOT considered to have a secondary endocrine function?

[Pancreas] IS secondary endocrine function-kidney, thymus, intestines

pineal gland

[is located just above the cerebellum and releases the hormone melatonin. ?The hypothalamus sits superior to the pituitary gland.

Which hormone is NOT matched with its function?

[melatonin: producing skin color] [MATCHES:ADH: water reabsorption by the kidneys; insulin: lowering blood glucose levels; prolactin: producing milk

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

[pancreas, glucagon] The pancreas is located in the LUQ, just inferior to the stomach. Glucagon stimulates the liver to release glucose to increase blood sugar levels. ?This is the pancreas, which releases insulin, but insulin decreases blood sugar.

Which statement is FALSE?

[All amino acid-derivative hormones are able to circulate freely within the blood] TRUE-Hormonal secretion is controlled through negative feedback mechanisms; Hormones attached to special transport proteins remain in circulation longer than free hormones; Free hormones can be broken down by enzymes in the body fluids.

Which of the following is not a major group of hormones?

[Carbohydrate derivatives] IS major group-Amino acid derivatives; Peptide hormones; Lipid derivatives

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

A patient's blood panel indicates high levels of blood calcium. Which hormone is most likely NOT being produced in sufficient quantity?

calcitonin [MOST LIKELY PRODUCED IN SUFFICIENT QUANTITY:thyroxine, melatonin, parathyroid hormone

Peripheral structures sensitive to the presence of hormones are called ________

target cells

Hormone-producing cells of the testes produce

testosterone

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

Hypothalamus

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

hormones are

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

regulatory hormones


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