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NAS 2 Challenge Exam – Questions With Complete Solutions CA$14.34   Add to cart

Exam (elaborations)

NAS 2 Challenge Exam – Questions With Complete Solutions

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NAS 2 Challenge Exam – Questions With Complete Solutions

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  • August 16, 2023
  • 11
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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LeCrae
NAS 2 Challenge Exam – Questions
With Complete Solutions
Scientific Method Correct Ans - A series of steps followed to solve
problems

Steps of scientific method Correct Ans - 1. Ask questions
2. Hypothesis
3. Test hypothesis
4. Analyze results
5. Draw conclusion
6. Report results

Independent Variable Correct Ans - What is changed

Dependent Variable Correct Ans - What is measured

Control Correct Ans - Constant

Anatomy Correct Ans - Study of structure

Physiology Correct Ans - Study of functions

levels of Organization Correct Ans - 1. Chemicals
2. Cells
3. Tissues
4. Organs
5. Body system
6. Organism

Life Functions Correct Ans - 1. Maintain boundary
2. Movement
3. Excretion
4. Growth
5. Reproduction
6. Digestion
7. Responsiveness

, Survival Needs Correct Ans - Nutrients
Water
Oxygen
appropriate temperature
Atmosphere pressure

Homeostasis Correct Ans - Maintenance of a stable internal
environment

Receptor Correct Ans - protein that detects a signal molecule and
performs an action in response. Detects change

Control Center Correct Ans - determines the set point at which the
variable is maintained

Stimulus Correct Ans - Produces change. Is a response

Effector Correct Ans - body structure that receives output from the
control center and produces a response or effect that changes the
controlled condition

What might employ positive or negative feedback loops? Correct Ans -
Receptors, control center, and effectors

Positive Feedback Correct Ans - Effector response that enhances or
exaggerates the original stimulus (ex. Blood clots and labor and delivery)

Negative Feedback Correct Ans - Effector reduces
eliminates the original stimulus (ex. Temp control in body, blood pressure,
blood sugar)

Anatomical Position Correct Ans - Standing upright
Arms to the side
Legs parallel
Feet\toes forward
Plans forward
Eyes straight ahead

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