Exam (elaborations)
NAS2 Challenge Exam 2023 with correct Answers
- Course
- Institution
NAS2 Challenge Exam 2023 with correct Answers
[Show more]
Content preview
NAS2 Challenge Exam 2023 with correct AnswersPurpose of Scientific Method - Answer- solve a problem or answer a question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - Answer- steps of scientific method
Independent variable - Answer- a variable that stands alone and isn't changed by the other variables you are trying to measure, change or controlled
example: age
dependent variable - Answer- a variable dependent on other factors, tested or measured example: test score - factors that go into a score you receive on a test
control group - Answer- does not receive treatment and used to compare or measure the other subjects
experimental group - Answer- exposed to changes in independent variable
anatomy - Answer- branch of science concerned with bodily structure of living organisms; structure
physiology - Answer- science dealing with the functions of living things or their organs
level of organization - Answer- living things arranged from the simplest to most complex are: organelle
cells
tissues
organs
organ systems, organism
populations communities
ecosystem
biosphere
requirements for life - Answer- Cellular organization
Reproduction Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
survival needs - Answer- Food, oxygen, water, body temperature, atmospheric pressure
(oxygen/carbon dioxide exchange)
homeostasis - Answer- relatively constant internal physical and chemical conditions that
organisms maintain
receptor - Answer- senses environmental stimulus and sends info to control center
control center - Answer- hypothalamus
signals effector
effector - Answer- responds to stimuli example: muscle contracting
negative feedback mechanisms - Answer- net effect is that the original output of the system shuts off the original stimulus or reduces the intensity
homeostasis
negative feedback mechanisms - Answer- most common form of homeostasis, bringing people back to normal functioning
negative feedback mechanisms - Answer- example of homeostasis: adjustments of blood pressure, metabolism, body temp
positive feedback mechanisms - Answer- form of homeostasis
level of variable changes in same direction as initial change
enhances or accelerates output created by activated stimulus
positive feedback mechanisms - Answer- example of type of homeostasis: platelet aggregation or accumulation in response to injury, child birth
anatomical position - Answer- erect position, face forward, arms at side, palms face forward
used to describe relation to other things
coronal, sagittal, transverse - Answer- 3 major planes of dissection
cranial - Answer- brain body region
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80461 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now