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Massachusetts Comprehensive Assessment System

2014, High School Biology

  Question 45: Open-Response  
The human body works to keep its blood glucose level within a narrow range. The hormones insulin and glucagon have important roles in this process: insulin decreases the blood glucose level, and glucagon increases the blood glucose level.Many different factors, including exercise, can affect a person’s blood glucose level.
  1. Describe how a healthy person’s blood glucose level most likely changes after 45 minutes of intense exercise. Explain your answer.
  2. Based on your answer to part (a), describe how a healthy person’s body responds to restore homeostasis with regard to blood glucose after exercising.
  3. Describe another example of how exercise disrupts homeostasis in the body and how the body responds to restore homeostasis.

Scoring Guide and Sample Student Work
Select a score point in the table below to view the sample student response.

ScoreDescription
4 The response demonstrates a thorough understanding of how the body’s systems interact to maintain homeostasis. The response clearly describes and explains how a person’s blood glucose level changes after exercise, and clearly describes how the body responds to restore homeostasis after exercise. The response also clearly describes another example of how exercise disrupts homeostasis and how the body responds to restore homeostasis.
4
3 The response demonstrates a general understanding of how the body’s systems interact to maintain homeostasis.
2 The response demonstrates a limited understanding of how the body’s systems interact to maintain homeostasis.
1 The response demonstrates a minimal understanding of how the body’s systems interact to maintain homeostasis.
0 The response is incorrect or contains some correct work that is irrelevant to the skill or concept being measured.

Note: There are 2 sample student responses for Score Point 4.

High School Biology

Question 12: Ecology
Question 23: Biochemistry and Cell Biology
Question 32: Evolution and Biodiversity
Question 44: Genetics
Question 45: Anatomy and Physiology

Return to the MCAS 2014 Student Work Directory



Last Updated: March 10, 2015
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