Question 1

Where are target cells for parathyroid hormone located?

Accepted Answer

A)  Tubules of nephrons
B)  Thyroid gland
C)  Glomeruli of nephrons
D)  Smooth and skeletal muscles

Question 2

Most protein hormones are transported in the bloodstream and are what?

Accepted Answer

A)  Bound to a lipid-soluble carrier
B)  Free in an unbound, water-soluble form
C)  Bound to a water soluble-binding protein
D)  Free because of their lipid-soluble chemistry

Question 3

A person wants to know if eating only plant-based foods is advisable as a way to cut cholesterol to near-zero levels. What response by the health care professional is best?

Accepted Answer

A)  "No, you will become extremely malnourished."
B)  "Yes, that is an effective way to eliminate cholesterol."
C)  "No, many hormones are made from cholesterol."
D)  "Yes, that will increase the action of insulin."

Question 4

Which of these is a lipid-soluble hormone?

Accepted Answer

A)  Cortisol
B)  Oxytocin
C)  Epinephrine
D)  Growth hormone

Question 5

A patient is in severe shock and is receiving vasopressin. A student asks the health care professional to explain the rationale for this treatment. What response by the professional is most accurate?

Accepted Answer

A)  "Antidiuretic hormone conserves fluid when urine output is less than 20 mL/hr."
B)  "Antidiuretic hormone causes serum osmolality to be increased."
C)  "Antidiuretic hormone leads to better insulin utilization."
D)  "Antidiuretic hormone causes vasoconstriction to help increase blood pressure."

Question 6

Which hormone triggers uterine contractions?

Accepted Answer

A)  Thyroxine
B)  Oxytocin
C)  Growth hormone
D)  Insulin

Question 7

When insulin binds its receptors on muscle cells, an increase in glucose uptake by the muscle cells is the result. This is an example of what type of effect by a hormone?

Accepted Answer

A)  Pharmacologic
B)  Permissive
C)  Synergistic
D)  Direct

Question 8

Thyroid-stimulating hormone (TSH)  is released to stimulate thyroid hormone (TH)  and is inhibited when plasma levels of TH are adequate. What is this an example of?

Accepted Answer

A)  Positive feedback
B)  Negative feedback
C)  Neural regulation
D)  Physiologic regulation

Question 9

What is the target tissue for prolactin-releasing factor?

Accepted Answer

A)  Hypothalamus
B)  Anterior pituitary
C)  Mammary glands
D)  Posterior pituitary

Question 10

A person who has experienced physiologic stresses will have increased levels of which hormone?

Accepted Answer

A)  Cortisol
B)  Thyroid hormone
C)  Somatostatin
D)  Alpha endorphin

Question 11

What effect does hyperphosphatemia have on other electrolytes?

Accepted Answer

A)  Increases serum calcium
B)  Decreases serum calcium
C)  Decreases serum magnesium
D)  Increases serum magnesium

Exam 21: Mechanisms of Hormonal Regulation

Thyroid-stimulating hormone (TSH) is released to stimulate thyroid hormone (TH) and is inhibited when plasma levels of TH are adequate. What is this an example of?

Correct Answer
verified

A person who has experienced physiologic stresses will have increased levels of which hormone?

Correct Answer
verified

Which hormone triggers uterine contractions?

Correct Answer
verified

When insulin binds its receptors on muscle cells, an increase in glucose uptake by the muscle cells is the result. This is an example of what type of effect by a hormone?

Correct Answer
verified

What is the target tissue for prolactin-releasing factor?

Correct Answer
verified

Most protein hormones are transported in the bloodstream and are what?

Correct Answer
verified

Where are target cells for parathyroid hormone located?

Correct Answer
verified

Which of these is a lipid-soluble hormone?

Correct Answer
verified

A patient is in severe shock and is receiving vasopressin. A student asks the health care professional to explain the rationale for this treatment. What response by the professional is most accurate?

Correct Answer
verified

A person wants to know if eating only plant-based foods is advisable as a way to cut cholesterol to near-zero levels. What response by the health care professional is best?

Correct Answer
verified

What effect does hyperphosphatemia have on other electrolytes?

Correct Answer
verified

Exam 21: Mechanisms of Hormonal Regulation

Thyroid-stimulating hormone (TSH) is released to stimulate thyroid hormone (TH) and is inhibited when plasma levels of TH are adequate. What is this an example of?

Correct AnswerverifiedShow Answer

A person who has experienced physiologic stresses will have increased levels of which hormone?

Correct AnswerverifiedShow Answer

Which hormone triggers uterine contractions?

Correct AnswerverifiedShow Answer

When insulin binds its receptors on muscle cells, an increase in glucose uptake by the muscle cells is the result. This is an example of what type of effect by a hormone?

Correct AnswerverifiedShow Answer

What is the target tissue for prolactin-releasing factor?

Correct AnswerverifiedShow Answer

Most protein hormones are transported in the bloodstream and are what?

Correct AnswerverifiedShow Answer

Where are target cells for parathyroid hormone located?

Correct AnswerverifiedShow Answer

Which of these is a lipid-soluble hormone?

Correct AnswerverifiedShow Answer

A patient is in severe shock and is receiving vasopressin. A student asks the health care professional to explain the rationale for this treatment. What response by the professional is most accurate?

Correct AnswerverifiedShow Answer

A person wants to know if eating only plant-based foods is advisable as a way to cut cholesterol to near-zero levels. What response by the health care professional is best?

Correct AnswerverifiedShow Answer

What effect does hyperphosphatemia have on other electrolytes?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified