Anatomy and Physiology Chapter 8 Quiz
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Questions and Answers

An 'adrenal rush' is caused by the release of ____.

epinephrine

Eggs, estrogen, and progesterone are produced by the ___.

ovaries

The ____ is the outer layer of the adrenal glands.

adrenal cortex

The ___ regulates everyday functions such as metabolism, heart rate, energy level, and body temperature.

<p>thyroid gland</p> Signup and view all the answers

___ is a condition that occurs when the pituitary gland hyposecretes growth hormone.

<p>dwarfism</p> Signup and view all the answers

The pituitary gland is an endocrine gland that is also a part of the nervous system.

<p>True</p> Signup and view all the answers

Gluconeogenesis is the process by which the embryo starts to produce glucose, about 18 weeks into gestation.

<p>False</p> Signup and view all the answers

Growth Hormone (GH) helps break down fats for use as a fuel source by the body.

<p>True</p> Signup and view all the answers

Excessive urination, excessive thirst, and increased hunger are symptoms of both types of diabetes mellitus.

<p>True</p> Signup and view all the answers

Type 1 diabetes mellitus is also called adult onset diabetes.

<p>False</p> Signup and view all the answers

What organ is both an endocrine and an exocrine gland?

<p>pancreas</p> Signup and view all the answers

What hormone secreted by the pancreas causes the breakdown of glycogen stored in the liver?

<p>glucagon</p> Signup and view all the answers

How long after a person starts to exercise is growth hormone released?

<p>about 30-45 minutes</p> Signup and view all the answers

What is the function of the pineal gland's hormone melatonin?

<p>cause people to feel sleepy</p> Signup and view all the answers

What glands need iodine in order to secrete their hormones?

<p>thyroid</p> Signup and view all the answers

What is a hormone that promotes glucose uptake in body tissues?

<p>insulin</p> Signup and view all the answers

What are hormones composed of proteins or protein-related substances called?

<p>amino-acid hormones</p> Signup and view all the answers

What gland secretes insulin and glucagon; as an exocrine gland, it secretes digestive enzymes?

<p>pancreas</p> Signup and view all the answers

Which gland is located below the larynx and secretes hormones T3, T4, and calcitonin?

<p>thyroid</p> Signup and view all the answers

Which part of the adrenal glands secretes the hormone epinephrine and norepinephrine during the fight-or-flight response?

<p>adrenal medulla</p> Signup and view all the answers

What part of the brain stores two hormones produced by the hypothalamus: antidiuretic hormone and oxytocin?

<p>posterior pituitary</p> Signup and view all the answers

What condition is caused by the hypersecretion of growth hormone by the anterior pituitary, resulting in an increase in overall body size?

<p>acromegaly</p> Signup and view all the answers

What condition refers to sustained muscular contraction?

<p>tetany</p> Signup and view all the answers

What adrenal cortex disorder is caused by hypersecretion of cortisol?

<p>Cushing syndrome</p> Signup and view all the answers

Study Notes

Hormones and Glands

  • Epinephrine: Released by the adrenal medulla, causing an "adrenal rush".
  • Ovaries: Produce eggs and hormones, including estrogen and progesterone.
  • Adrenal cortex: The outer layer of the adrenal glands, responsible for producing corticosteroids.
  • Thyroid gland: Regulates metabolism, heart rate, energy level, and body temperature through hormone secretion.
  • Dwarfism: Result of the pituitary gland underproducing growth hormone.
  • Pancreas: Functions as both an endocrine (releasing insulin and glucagon) and exocrine gland (secreting digestive enzymes).

Endocrine System Facts

  • Pituitary gland: An endocrine gland that plays a role in the nervous system.
  • Gluconeogenesis: Incorrectly defined as glucose production by the embryo; it refers to glucose synthesis in the liver.
  • Growth Hormone (GH): Aids in fat breakdown for energy usage.
  • Diabetes mellitus symptoms: Excessive urination, thirst, and hunger characterize both types of diabetes.
  • Type 1 diabetes: Not called adult onset diabetes; it typically develops in childhood or adolescence.

Hormonal Functions and Conditions

  • Melatonin: Secreted by the pineal gland, it induces sleepiness.
  • Thyroid gland: Requires iodine to effectively produce thyroid hormones.
  • Insulin: Promotes glucose uptake in tissues, crucial for regulating blood sugar levels.
  • Amino-acid hormones: Composed of proteins or related substances, essential for various physiological functions.

Specific Health Conditions

  • Acromegaly: Caused by excess growth hormone, leading to enlarged body parts.
  • Tetany: Characterized by prolonged muscular contractions.
  • Cushing syndrome: A disorder of the adrenal cortex due to excess cortisol, resulting in weight gain and elevated blood glucose levels.

Additional Knowledge

  • Glucagon: A hormone from the pancreas that triggers glycogen breakdown in the liver.
  • Posterior pituitary: Stores antidiuretic hormone and oxytocin, both produced by the hypothalamus.
  • Hormone release during exercise: Growth hormone is released approximately 30-45 minutes after beginning physical activity.

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Test your knowledge of key terms from Anatomy and Physiology Chapter 8 with this set of flashcards. Each card provides definitions of important concepts such as hormones and glands critical to human function. Perfect for students preparing for exams or anyone interested in the human body.

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