Textbook Question
Cortisol is:
a. A potent inhibitor of the inflammatory response.
b. An important part of the stress response.
c. Both a and b are correct.
d. Neither a nor b is correct.
Ch. 16 The Endocrine System
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Chapter 16, Problem 12
The outer part of the adrenal gland is the______, which secretes______. The inner part of the adrenal gland is the_____, which secretes ______.
Verified step by step guidance1
Step 1: Understand the anatomy of the adrenal gland. The adrenal gland has two distinct regions: the outer part called the adrenal cortex and the inner part called the adrenal medulla.
Step 2: Learn the functions of the adrenal cortex. The adrenal cortex secretes steroid hormones, including glucocorticoids (e.g., cortisol), mineralocorticoids (e.g., aldosterone), and androgens.
Step 3: Learn the functions of the adrenal medulla. The adrenal medulla secretes catecholamines, primarily epinephrine (adrenaline) and norepinephrine (noradrenaline), which are involved in the fight-or-flight response.
Step 4: Match the anatomical regions to their secretions. The adrenal cortex is responsible for secreting steroid hormones, while the adrenal medulla is responsible for secreting catecholamines.
Step 5: Use this information to fill in the blanks: The outer part of the adrenal gland is the adrenal cortex, which secretes steroid hormones. The inner part of the adrenal gland is the adrenal medulla, which secretes catecholamines.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Adrenal Gland Structure
The adrenal gland consists of two main parts: the outer adrenal cortex and the inner adrenal medulla. The cortex is responsible for producing steroid hormones, while the medulla produces catecholamines. Understanding this structure is essential for grasping the functions of the hormones secreted by each part.
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The Hypothalamus and Pituitary Gland Example 1
Hormones of the Adrenal Cortex
The adrenal cortex secretes several important hormones, including cortisol, aldosterone, and androgens. Cortisol helps regulate metabolism and stress responses, aldosterone controls blood pressure by managing sodium and potassium levels, and androgens contribute to the development of male characteristics and reproductive functions.
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Hormones of the Adrenal Medulla
The adrenal medulla primarily secretes catecholamines, such as adrenaline (epinephrine) and noradrenaline (norepinephrine). These hormones are crucial for the body's 'fight or flight' response, increasing heart rate, blood flow, and energy availability during stressful situations.
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Related Practice
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 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.
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Excess secretion of thyroid hormones produces weight gain, cold intolerance, and slow heart rate.
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Textbook Question
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) _____ a(n)_____in TRH and TSH secretion.
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Textbook 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
c. Increased retention of potassium ions from the fluid in the kidneys
d. Increased retention of water from the fluid in the kidneys