16. The Endocrine System

The Hypothalamus and Pituitary Gland

16. The Endocrine System

The Hypothalamus and Pituitary Gland

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7:10

Hypothalamus & Pituitary Gland

The Hypothalamus and Pituitary Gland Example 1

The Hypothalamus and Pituitary Gland Example 2

The Hypothalamus and Pituitary Gland Example 3

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04:25

Hypothalamic Pituitary Axis

Hypothalamus and Pituitary Gland Functions

Hypothalamic-Pituitary Axis

Neuroscience: Hypothalamus & Pituitary Gland

Neuroscientifically Challenged

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Anterior v Posterior Pituitary Gland - PLUS Anterior Pituitary Hormones Mnemonic (FLAT PEG)

03:51

Anterior v Posterior Pituitary Gland - PLUS Anterior Pituitary Hormones Mnemonic (FLAT PEG)

5.3 Endocrine: The Pituitary Gland

Oxytocin and vasopressin/ADH (Posterior Pituitary Hormones) Physiology

Anterior Pituitary Gland | Endocrine System

Pituitary Gland - Anterior and Posterior - Hormones

Endocrine System: Glands and Hormones

Overview of the Endocrine System

Dr Matt & Dr Mike

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Practice this topic

Multiple Choice

Which of the following describes a tropic hormone?

The following hormones are all produced by the pituitary gland. Which hormone is NOT released by the anterior pituitary?

What is the primary function of the hypothalamic-hypophyseal portal system in hormone transport?

Which of the following statements about the posterior pituitary is true?

The anterior pituitary is known as the 'master endocrine gland' because it controls the hypothalamus.

Which of the following stimulate(s) most body cells to increase in size and divide?

Which of the following homeostatic imbalances results from hyposecretion of growth hormone?

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Multiple Choice

Which of the following hormones stimulates gamete (sperm or egg) production?

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Multiple Choice

The hypophyseal portal system transports releasing and inhibiting hormones from the hypothalamus to the __________.

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Multiple Choice

Which of the following is NOT synthesized in the pituitary gland?

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Multiple Choice

Polydipsia is excessive __________ associated with diabetes mellitus.

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Multiple Choice

Excess growth hormone would cause all the following EXCEPT __________.

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Multiple Choice

Hypersecretion of antidiuretic hormone (ADH) can occur in all of the following situations EXCEPT __________.

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Multiple Choice

As blood levels of __________ rise, the expulsive contractions of labor gain momentum and finally end in birth.

Which ANS fibers release acetylcholine? Which release norepinephrine?

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Textbook Question

Describe the events that occur during nerve impulse transmission at a typical cholinergic synapse.

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Textbook Question

A possible side effect of a drug used to open the airways of someone suffering from an asthma attack is (a) decreased activity of the digestive system, (b) diarrhea, (c) profuse urination, (d) increased blood pressure, (e) decreased heart rate.

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Textbook Question

Nicotine stimulates cholinergic receptors of the ANS. Based on this information, how would cigarette smoking affect the cardiovascular system?

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Textbook Question

Phil is stung on his cheek by a wasp. Because Phil is allergic to wasp venom, his throat begins to swell and his respiratory passages constrict. Would acetylcholine or epinephrine be more helpful in relieving his condition? Why?

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Textbook Question

While studying the activity of smooth muscle in blood vessels, Shelly discovers that, when applied to a muscle plasma membrane, a molecule chemically similar to a neurotransmitter triggers an increase in intracellular calcium ions. Which neurotransmitter is the molecule mimicking, and to which receptors is it binding?

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Textbook Question

Which of the following hormones is/are produced by the posterior pituitary?

a. Antidiuretic hormone

b. Oxytocin

c. Both a and b

d. Neither a nor b

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Textbook Question

Fill in the blanks: Hypothalamic releasing and inhibiting hormones are released into the_____system and affect secretion from the_____gland.

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Textbook Question

The thyroid gland consists of:

a. follicle cells that secrete calcitonin.

b. spherical thyroid follicles that contain iodine-containing colloid.

c. parafollicular cells that produce thyroid hormones.

d. spherical thyroid follicles that surround parathyroid hormone–secreting cells.

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Textbook Question

Which of the following is not an effect of thyroid hormones?

a. Regulation of the metabolic rate

b. Promotion of growth and development

c. Thermoregulation

d. Synergism with the parasympathetic nervous system

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. Thyroid hormones are produced by follicle cells.

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Textbook Question

Fill in the blanks: The outer part of the adrenal gland is the______, which secretes______. The inner part of the adrenal gland is the_____ , which secretes _______.

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Textbook Question

Describe the components of the hypothalamic-pituitary-adrenocortical axis, and explain how it regulates secretion from the adrenal gland.

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Textbook Question

Which of the following statements about the adrenal medulla is false?

a. Secretion from the adrenal medulla is triggered by ACTH and the sympathetic nervous system.

b. The adrenal medulla consists of glandular epithelial cells.

c. The adrenal medulla is a modified postsynaptic sympathetic ganglion.

d. The products of the adrenal medulla prolong the effects of the sympathetic response.

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Textbook Question

A patient has a brain tumor that necessitates removal of his pituitary gland. Will its removal affect production of ADH and oxytocin? Explain.

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Textbook Question

Ms. Reczkiewicz has her thyroid gland removed to treat hyperthyroidism. Her condition is stable after surgery, but one day later she develops symptoms of severe hypocalcemia. What has happened? How would you correct this problem?

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Textbook Question

Kyle, a 5-year-old boy, has been growing by leaps and bounds; his height is 100% above normal for his age. He has been complaining of headaches and vision problems. A CT scan reveals a large pituitary tumor. (a) Which hormone is being secreted in excess? (b) What condition will Kyle exhibit if corrective measures are not taken? (c) What is the probable cause of his headaches and visual problems?

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Textbook Question

The posterior pituitary is not really an endocrine gland. Why not? What is it?

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Textbook Question

The anterior pituitary is often referred to as the master endocrine organ, but it, too, has a 'master.' What controls the release of anterior pituitary hormones?