Unit 4 ANP Study Guide: Endocrine, Blood, Heart, and Blood Vessels

Study Guide - Smart Notes

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Topic: Endocrine System Communication

This question tests your understanding of how the endocrine system transmits signals throughout the body using chemical messengers.

Endocrine system: A collection of glands that secrete hormones into the bloodstream.
Hormones: Chemical messengers released by endocrine glands.
Target cells: Cells that have specific receptors for hormones.

Recall that hormones are released into the bloodstream and travel throughout the body.
Think about which cells in the body can respond to a particular hormone—do all cells respond, or only certain ones?
Consider the role of receptors in hormone action. What must a cell have in order to respond to a hormone?

Topic: Endocrine Gland Anatomy

This question tests your ability to recognize and locate the major endocrine glands in the human body.

Endocrine glands: Organs that secrete hormones directly into the bloodstream (e.g., pituitary, thyroid, adrenal glands).

Review diagrams of the human body showing the endocrine system.
Identify the location of each major gland (e.g., pituitary, thyroid, adrenal, pancreas, etc.).
Practice labeling a blank diagram or matching gland names to their anatomical positions.

Topic: Hormone Classification

This question asks you to compare two major types of hormones based on their structure and function.

For structural differences, consider the building blocks of each hormone type (amino acids vs. cholesterol).
For functional differences, think about how each type interacts with target cells (e.g., cell membrane receptors vs. intracellular receptors).
Consider how each type is transported in the blood (water-soluble vs. lipid-soluble).

Topic: Endocrine System Regulation

This question focuses on the central control center for the endocrine system within the brain.

Hypothalamus: A region of the brain that links the nervous and endocrine systems.
Pituitary gland: Often called the "master gland," but regulated by another brain structure.

Recall which brain structure releases hormones that control the pituitary gland.
Think about the feedback mechanisms between the brain and endocrine glands.
Identify the structure that integrates signals from the nervous system and regulates hormone release.

Topic: Pituitary Gland Anatomy and Function

This question tests your knowledge of the two lobes of the pituitary gland and their respective hormones.

Anterior pituitary (adenohypophysis): Produces and releases its own hormones.
Posterior pituitary (neurohypophysis): Stores and releases hormones made in the hypothalamus.

List the hormones produced by the anterior pituitary (e.g., GH, ACTH, TSH, etc.).
List the hormones released by the posterior pituitary (e.g., ADH, oxytocin).
Describe the difference in hormone synthesis and release between the two lobes.