Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart2h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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

b. Thyroxine (T4) is the more active of the two thyroid hormone

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Related Practice

Open Question

Which of the following is not a potential effect that a hormone could have on its target cell?

a. Activating genes in the DNA

b. Stimulating cellular division

c. Altering the permeability of the plasma membrane

d. All of the above are potential effects of a hormone on its target cell.

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Open Question

How does ADH affect the amount of water in the body, and how does it accomplish this? How does this affect the osmolarity of the blood?

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Open Question

List the target tissues and effects of the following anterior pituitary gland hormones.

a. Thyroid-stimulating hormone

b. Adrenocorticotropic hormone

c. Prolactin

d. Gonadotropins

e. Growth hormone

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Open Question

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

a. About 90% of the thyroid hormone produced is triiodothyronine (T3).

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Open Question

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

d. Iodine atoms are a key component of parathyroid hormone.

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Open Question

Fill in the blanks: A rise in free T3 and T4 would be expected to produce a(n)______ in TRH and TSH secretion. A decrease in free T3 and T4 would be expected to produce a(n)_____in TRH and TSH secretion.

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Open Question

Which of the following statements correctly describes the role of parathyroid hormone?

a. Parathyroid hormone regulates the metabolic rate.

b. Parathyroid hormone increases the blood calcium ion concentration.

c. Parathyroid hormone decreases the blood sodium ion concentration.

d. Parathyroid hormone causes water retention by the kidneys.

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Open Question

Which of the following is not an effect of aldosterone?

a. Increased excretion of hydrogen ions from the fluid in the kidneys

b. Increased retention of sodium ions from the fluid in the kidneys