NAS2 Challenge Exam ACTUAL Exam
Questions and CORRECT Answers
What is the purpose of the Scientific Method? - CORRECT ANSWER - Test the
hypothesis
What are the steps of the Scientific Method - CORRECT ANSWER - 1. problem
2. hypothesis
3. procedure
4.analyze
5.conclusion
Independent Variable - CORRECT ANSWER - The experimental factor that is
manipulated; the variable whose effect is being studied.
Dependent Variable - CORRECT ANSWER - The outcome factor; the variable that may
change in response to manipulations of the independent variable.
Control Groups - CORRECT ANSWER - groups whose members do not obtain the
treatment, while other conditions are held constant
Experimental Groups - CORRECT ANSWER - treatment groups; the participants in a
study that receive the intervention
Define Anatomy and Physiology - CORRECT ANSWER - Anatomy: the study of the
body's parts or the body's structure
Physiology: the sturdy of how the body parts work or how the body functions
Structure determines function; function determines structure - they're inseparable.
, The six levels of organization - CORRECT ANSWER - chemical, cellular, tissue, organ,
organ system, organism
Requirements of life - CORRECT ANSWER - water, food, oxygen, heat, pressure
Survival needs - CORRECT ANSWER - nutrients, oxygen, water, body temperature,
atmospheric pressure
Homeostasis - CORRECT ANSWER - A tendency to maintain a balanced or constant
internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a
particular level
Basic mechanism for homeostasis - CORRECT ANSWER - receptor, control center,
effector
Positive feedback loop - CORRECT ANSWER - feedback loop that causes a system to
change further in the same direction
Negative feedback loop - CORRECT ANSWER - A feedback loop that causes a system to
change in the opposite direction from which it is moving
Anatomical Position - CORRECT ANSWER - erect, feet forward, arms at side with palms
facing forward, head facing forward
Dorsal - CORRECT ANSWER - toward the back
Lateral - CORRECT ANSWER - away from the midline
Superior - CORRECT ANSWER - above
Questions and CORRECT Answers
What is the purpose of the Scientific Method? - CORRECT ANSWER - Test the
hypothesis
What are the steps of the Scientific Method - CORRECT ANSWER - 1. problem
2. hypothesis
3. procedure
4.analyze
5.conclusion
Independent Variable - CORRECT ANSWER - The experimental factor that is
manipulated; the variable whose effect is being studied.
Dependent Variable - CORRECT ANSWER - The outcome factor; the variable that may
change in response to manipulations of the independent variable.
Control Groups - CORRECT ANSWER - groups whose members do not obtain the
treatment, while other conditions are held constant
Experimental Groups - CORRECT ANSWER - treatment groups; the participants in a
study that receive the intervention
Define Anatomy and Physiology - CORRECT ANSWER - Anatomy: the study of the
body's parts or the body's structure
Physiology: the sturdy of how the body parts work or how the body functions
Structure determines function; function determines structure - they're inseparable.
, The six levels of organization - CORRECT ANSWER - chemical, cellular, tissue, organ,
organ system, organism
Requirements of life - CORRECT ANSWER - water, food, oxygen, heat, pressure
Survival needs - CORRECT ANSWER - nutrients, oxygen, water, body temperature,
atmospheric pressure
Homeostasis - CORRECT ANSWER - A tendency to maintain a balanced or constant
internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a
particular level
Basic mechanism for homeostasis - CORRECT ANSWER - receptor, control center,
effector
Positive feedback loop - CORRECT ANSWER - feedback loop that causes a system to
change further in the same direction
Negative feedback loop - CORRECT ANSWER - A feedback loop that causes a system to
change in the opposite direction from which it is moving
Anatomical Position - CORRECT ANSWER - erect, feet forward, arms at side with palms
facing forward, head facing forward
Dorsal - CORRECT ANSWER - toward the back
Lateral - CORRECT ANSWER - away from the midline
Superior - CORRECT ANSWER - above
