Homeostasis, feedback mechanism

Homeostasis, feedback mechanism

11th Grade

20 Qs

quiz-placeholder

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Homeostasis, feedback mechanism

Homeostasis, feedback mechanism

Assessment

Quiz

Biology

11th Grade

Hard

Created by

Valentina Alday

Used 16+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The two types of feedback systems that help organisms maintain homeostasis are:

positive and negative 
receptor and effector
static and dynamic
minor and major

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Maintaining body temperature is an example of a:

negative feedback loop
positive feedback loop

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. This is an example of a:

Positive Feedback Loop

Negative Feedback Loop

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An example of a negative feedback loop is ...

Blood glucose regulation

Blood pressure regulation

Thermoregulation

All of the above

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Homeostasis

allows for a wildly fluctuating internal environment
is impossible in vertebrates
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the environment gets cold, we will often shiver in order to:

keep body temperature the same as the external temperature
decrease body temperature
increase body temperature
regulate blood pressure

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of feedback loop is shown?

negative
neutral 
positive

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