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Physiology of Parathyroid Hormone and Hyperparathyroidism

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Physiology of Parathyroid Hormone and Hyperparathyroidism

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Questions and Answers

What is the primary function of prostaglandins in the body?

To mediate inflammation and enhance pain and inflammation (correct)

To stimulate glycogenolysis and enhance blood clotting

To increase the rate of normal cellular processes

To decrease blood pressure and relax smooth muscles

What is the effect of epinephrine on blood vessels?

It decreases the rate of normal cellular processes

It causes contraction of smooth muscles (correct)

It increases the rate of normal cellular processes

It stimulates glycogenolysis

What is the result of a hormonal stimulus on plasma membrane's permeability?

It either opens or closes ion channels (correct)

It has no effect on ion channels

It always opens ion channels

It always closes ion channels

Which type of hormone is synthesized from cholesterol?

Steroid (C) Signup and view all the answers

What is the effect of prostaglandins on uterine contractions during birth?

They increase uterine contractions (D) Signup and view all the answers

Which type of hormone is made from arachidonic acid?

Eicosanoid (A) Signup and view all the answers

What is the effect of epinephrine on the liver?

It stimulates glycogenolysis (D) Signup and view all the answers

What is the primary function of leukotrienes?

To mediate inflammation and allergic reactions (A) Signup and view all the answers

What is the result of a hormonal stimulus on plasma membrane's potential?

It either increases or decreases the potential (A) Signup and view all the answers

What is a characteristic of true hormones?

They are secreted by endocrine glands and circulate to target cells (D) Signup and view all the answers