Anatomy Unit 1 Test

In the anatomical position, the body is standing ______, arms ________, and palms facing ______.

• upright, above the head, backward
• upright, at the sides, forward

A positive feedback loop:

• amplifies or reinforces a change that occurs in the body until a desired outcome is reached.
• works to reduce a change detected in the body to bring it back to the set point.

Tags

NGSS.HS-LS1-3

A negative feedback loop:

• amplifies or reinforces a change that occurs in the body until a desired outcome is reached.
• works to reduce a change detected in the body to bring it back to the set point.

Tags

NGSS.HS-LS1-3

In a negative feedback loop, what happens to a variable (like temperature) when it INCREASES past its normal state/set point?

• it continues to increase
• it decreases until it is lower than its normal state/set point
• it decreases until it reaches its normal state/set point
• it does not change

Childbirth, as shown below, is an example of which type of feedback?

• negative
• positive

Tags

NGSS.HS-LS1-3

The term that specifically refers to the maintenance of a relatively stable internal state is

• digestion
• responsiveness
• homeostasis
• metabolism

Tags

NGSS.HS-LS1-3

Choose the correct order of levels of organization in the human body:

• Atoms> Molecules> Cells > tissues > organs > organ system > organism
• Tissues > Atoms> organs > cells > organism > organ system> Molecules
• Molecules> Atoms> Organs > tissues > cells > organ system > organism

Tags

NGSS.MS-LS1-3

Which of the following are requirements for human life?

• oxygen
• nutrients
• temperature
• atmospheric pressure
• cell phones

True or false: The heart is lateral to the arms.

• True
• False

True or false: The spine is superior to the heart.

• True
• False