Exam 9: The Endocrine System

When blood glucose levels are too high, the beta cells of the pancreas release ________ to decrease levels.

Which of these hormones prods the thyroid gland to release thyroxine (T₄)?

What gland releases catecholamines?

Which hormone appears to play an important role in establishing the body's sleep-wake cycle?

Thyroid hormone controls blood calcium levels.

Match the following actions with the appropriate hormone: -Stimulates contraction of the uterus and milk ejection (the let-down reflex)

Using Figure 9.1, identify the following: -The glands situated around the thyroid gland that operate entirely under humoral control are represented by ________.

Match the following actions with the appropriate hormone: -Stimulates the thyroid gland to produce thyroxine

Melatonin production peaks during the night to make us drowsy.

The hormone produced by male testes which is necessary for sperm production is ________.

Which of the following disorders results from the hyposecretion of antidiuretic hormone (ADH)?

Mr. Lee says he felt scared to death when his neighbor's dog bit him. Which of the following did he NOT experience as a result of catecholamine release?

Match each of the following hormones with the endocrine gland or structure that produces it: -Norepinephrine

Without iodine in the diet, which thyroid gland disorder may result?

Using Figure 9.1, identify the following: -The pineal gland is indicated by ________.

Thyroid hormone is actually two iodine-containing hormones called T₃ and T₄.

Parathyroid hormone (PTH) is secreted by the parathyroid glands in response to low blood concentration of calcium ions. This mechanism operates by a ________.

Hypersecretion of glucocorticoids, often caused by a tumor, results in ________.

Match the following actions with the appropriate hormone: -Promotes reabsorption of water by the kidneys to increase blood volume

The hypothalamus makes two hormones, ________ and ________, that are stored by the posterior pituitary.