Homeostasis Bell Ringer 2

Homeostasis Bell Ringer 2

11th Grade

5 Qs

quiz-placeholder

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Homeostasis Bell Ringer 2

Homeostasis Bell Ringer 2

Assessment

Quiz

Science

11th Grade

Practice Problem

Hard

Created by

Justin T Jones

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of the physiological process known as homeostasis?

To increase the body's overall size and mass.

To generate energy for cellular respiration.

To maintain a relatively stable internal environment despite changes in the external environment.

To produce specialized cells for growth and repair.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you get too cold, your body shivers to generate heat. This is an example of a feedback loop that works to counteract the initial change and return the body to its normal temperature. What type of feedback loop is this?

Metabolic feedback loop

Positive feedback loop

Internal feedback loop

Negative feedback loop

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scenarios is an example of a positive feedback loop?

Your blood sugar levels dropping, which causes the liver to release glucose.

Your body's core temperature rising, which triggers sweating to cool you down.

A baby's head pressing on the cervix during childbirth, which causes stronger contractions.

Your blood pressure increasing, which causes the heart rate to slow down.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the regulation of body temperature, your brain acts as the 'thermostat' or control center. It receives information from temperature sensors and sends signals to effectors. What is the role of the effector?

To sense the change in the internal environment.

To interpret the information and determine a course of action.

To produce a response that alters the controlled condition.

To create the initial stimulus that causes the imbalance.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do positive and negative feedback loops differ in their effect on homeostasis?

Positive feedback loops maintain homeostasis, while negative feedback loops disrupt it.

Positive feedback loops amplify a change, while negative feedback loops counteract a change.

Positive feedback loops are more common in the body than negative feedback loops.

Positive feedback loops require a stimulus, but negative feedback loops do not.