NAS 2 CHALLENGE EXAM
(QUESTIONS AND ANSWERS)
What is the purpose of the Scientific Method?
Test the hypothesis
What are the steps of the Scientific Method
1. problem
2. hypothesis
3. procedure
4.analyze
5.conclusion
Independent Variable
The experimental factor that is manipulated; the variable
whose effect is being studied.
Dependent Variable
The outcome factor; the variable that may change in
response to manipulations of the independent variable.
Control Groups
groups whose members do not obtain the treatment, while
other conditions are held constant
Experimental Groups
treatment groups; the participants in a study that receive
the intervention
Define Anatomy and Physiology
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
chemical, cellular, tissue, organ, organ system, organism
Requirements of life
water, food, oxygen, heat, pressure
Survival needs
nutrients, oxygen, water, body temperature, atmospheric
pressure
Homeostasis
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
receptor, control center, effector
Positive feedback loop
feedback loop that causes a system to change further in
the same direction
Negative feedback loop
A feedback loop that causes a system to change in the
opposite direction from which it is moving
Anatomical Position
erect, feet forward, arms at side with palms facing forward,
head facing forward
Dorsal
toward the back
Lateral
away from the midline
Superior
(QUESTIONS AND ANSWERS)
What is the purpose of the Scientific Method?
Test the hypothesis
What are the steps of the Scientific Method
1. problem
2. hypothesis
3. procedure
4.analyze
5.conclusion
Independent Variable
The experimental factor that is manipulated; the variable
whose effect is being studied.
Dependent Variable
The outcome factor; the variable that may change in
response to manipulations of the independent variable.
Control Groups
groups whose members do not obtain the treatment, while
other conditions are held constant
Experimental Groups
treatment groups; the participants in a study that receive
the intervention
Define Anatomy and Physiology
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
chemical, cellular, tissue, organ, organ system, organism
Requirements of life
water, food, oxygen, heat, pressure
Survival needs
nutrients, oxygen, water, body temperature, atmospheric
pressure
Homeostasis
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
receptor, control center, effector
Positive feedback loop
feedback loop that causes a system to change further in
the same direction
Negative feedback loop
A feedback loop that causes a system to change in the
opposite direction from which it is moving
Anatomical Position
erect, feet forward, arms at side with palms facing forward,
head facing forward
Dorsal
toward the back
Lateral
away from the midline
Superior
