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Exam 16: The Endocrine System

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Question 51

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Explain how parathyroid hormone (PTH) acts to increase blood calcium ion levels.

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Parathyroid hormone stimulates osteoclas...

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Question 52

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Mrs. James appeared at the clinic complaining of extreme nervousness and sweating, saying that she could feel and hear her heart thumping when she tried to sleep at night. She was found to have a severely elevated and fluctuating blood pressure. Although laboratory testing revealed hyperglycemia and increased basal metabolic rate, tests of thyroid function were normal. What is your diagnosis? What treatment should be used?

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The diagnosis is hypersecretion of catec...

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Question 53

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Calcitonin is the main regulator of blood calcium levels.

Which of the following is NOT a change that may be caused by hormonal stimulus?

Type 2 diabetes mellitus may reflect declining receptor sensitivity to insulin rather than decreased insulin production.

A release of parathyroid hormone (PTH) will trigger ____________ .

During an afternoon class, Lisa starts to feel hungry and worries that her blood sugar level may be dropping. Which hormone is helping to prevent a drop in blood sugar level?

Which hormone has only one known effect: to stimulate milk production by the breasts?

What is the most important nursing intervention when caring for a patient with Cushing's syndrome?

Oxytocin and ADH are produced in the posterior pituitary.

Hypersecretion of catecholamines (epinephrine and norepinephrine) can result in hypertension.

Direct gene activation involves a second-messenger system.

Mr. Sanchez makes an appointment to see his doctor for pain in his abdominal area. Tests and X-rays reveal kidney stones as well as bones with a moth-eaten appearance. Physical exam reveals hyporeflexia and hypotonia (weakness). What is the problem and what treatment would be recommended?

Which of the following can act on receptors inside the target cell that directly activate specific genes?

The parathyroid glands respond to which type of stimulus?

The effect of a hormone on a target cell may be decreased by the presence of___________ .

The parents of a 17-year-old boy are concerned about his height because he is only 5 feet tall and they are both close to 6 feet tall. After tests by their doctor, a certain hormone is prescribed for the boy. What is the probable diagnosis, and what hormone was prescribed? Why might the child still expect to reach his growth potential?

John tells you that cholesterol is bad and should be eliminated from your diet. You explain to him that cholesterol is important. Which of the following hormones is synthesized from cholesterol?

Hormones that bind to plasma proteins ____________.

The prime metabolic effect of cortisol is gluconeogenesis.