Indiana Science HS-AP7-4
The Standard
Construct an explanation to show the impact of stress on the hypothalamus-pituitary complex, sympathetic nervous system, and the adrenal medulla.
Indiana Academic Standards for Science (2023) · Integration and Coordination, the Endocrine System
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students explain how stress activates the hypothalamus, sympathetic nerves, and adrenal medulla. They connect epinephrine to a faster heartbeat and describe the separate pituitary signal to the adrenal cortex.
What Mastery Looks Like
- Given a sudden scare, a student draws two routes from the hypothalamus: sympathetic nerves to the adrenal medulla, and pituitary ACTH to the adrenal cortex. They label epinephrine as part of the fast response and cortisol as part of the slower response.
Common Misconceptions
- Students may say ACTH targets the adrenal medulla, but it targets the adrenal cortex. They may also confuse epinephrine with cortisol or assume both responses happen at the same speed.
How to Assess It
- Exit ticket: A fire alarm sounds. Draw the fast pathway from hypothalamus to adrenal medulla, name the hormone released, and write one effect on the body.
Lesson moves
Ways to Teach It
Use index cards and yarn to link the hypothalamus, sympathetic nerves, adrenal medulla, pituitary, and adrenal cortex; add hormone labels.
Ask students to write why their heart might race during a fire drill, using hypothalamus, sympathetic nerves, and epinephrine.
Hand out pathway cards labeled ACTH, epinephrine, cortisol, and four organs; teams race to arrange the fast and slow routes.
Draw a smartwatch pulse graph rising from 75 to 105 after an alarm; students annotate the rise with the fast stress pathway.
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Printable HS-AP7-4 Worksheet
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