Exam (elaborations)
OCCC BIO 1314 AP 1- Units 7 questions with answers
- Course
- Institution
OCCC BIO 1314 AP 1- Units 7 questions with answers
[Show more]
Seller
Follow
Content preview
OCCC BIO 1314 AP 1- Units 7 questionswith answers
One thing your laptop has that the exam WON'T - ANSWER: ➡ the answers
w w w w w w w w w w ww w w
What is purpose of the nervous system? - ANSWER: ➡ The body's master controlling &
w w w w w w w w ww w w w w w
communicating system
w w
3 functions of the nervous system - ANSWER: ➡ sensory input, integration, motor output
w w w w w w w ww w w w w w
Sensory input = - ANSWER: ➡ monitors stimulations
w w w w ww w w
Integration = - ANSWER: ➡ interpretation of input
w w w ww w w w
Motor output = - ANSWER: ➡ response to input
w w w w ww w w w
Central nervous system (CNS) contains: - ANSWER: ➡ Brain & spinal cord,
w w w w w w ww w w w w w
Integration & control center w w w
Peripheral Nervous System (PNS) contains: - ANSWER: ➡ cranial and spinal nerves,
w w w w w w ww w w w w
§Carries messages to or from spinal cord & brain
w w w w w w w w
Neuron - ANSWER: ➡ communicating cell of NS
w w ww w w w w
2 types of neurons in PNS - ANSWER: ➡ afferent and efferent
w w w w w w w ww w w w
,sensory (afferent) neurons - ANSWER: ➡ neurons that carry incoming information from the body's
w w w w ww w w w w w w w w
tissues and sensory receptors to the brain and spinal cord
w w w w w w w w w w
motor (efferent) neurons - ANSWER: ➡ neurons that carry outgoing information from the brain and
w w w w ww w w w w w w w w w
spinal cord to the muscles and glands (effector tissues)
w w w w w w w w w
The two parts of motor division are: - ANSWER: ➡ Somatic Nervous System, Autonomic (Visceral)
w w w w w w w w ww w w w w w
Nervous System (ANS)
w w w
somatic nervous system - ANSWER: ➡ the division of the peripheral nervous system that controls
w w w w ww w w w w w w w w w
the body's skeletal muscles
w w w w
autonomic (visceral) nervous system - ANSWER: ➡ Controls smooth muscle, cardiac muscle, glands,
w w w w w ww w w w w w w
organs (involuntary)
w w
2 divisions of the autonomic nervous system - ANSWER: ➡ parasympathetic and sympathetic
w w w w w w w w ww w w w
neuron characteristics (3) - ANSWER: ➡ §Respond to physical & chemical stimulations
w w w w ww w w w w w w
§Conduct electrochemical impulses
w w
§Release chemical regulators (neurotransmitters)
w w w
3 types of Neuron Classification - (Structural) - ANSWER: ➡ §Multipolar — three or more processes
w w w w w w w w ww w w w w w w
§Bipolar — two processes (axon & dendrite)
w w w w w w
§Unipolar — one short process w w w w
sensory (afferent) neurons - ANSWER: ➡ neurons that carry incoming information from the sensory
w w w w ww w w w w w w w w
receptors to the brain and spinal cord
w w w w w w w
, Interneurons (association neurons) - ANSWER: ➡ neurons that carry messages from one neuron to
w w w w ww w w w w w w w w
another, transmit impulses w/in CNS
w w w w w
motor (efferent) neurons - ANSWER: ➡ neurons that carry outgoing information from the brain and
w w w w ww w w w w w w w w w
spinal cord to the muscles and glands, (transmit impulses away from CNS)
w w w w w w w w w w w w
Two cell types of the nervous system - ANSWER: ➡ neurons and neuroglia (glial cells)
w w w w w w w w ww w w w w w
Neurons - ANSWER: ➡ transmit electrical signals
w w ww w w w
Neuroglia - ANSWER: ➡ do not transmit electrical signals (THEY support neurons)
w w ww w w w w w w w w
supporting cells (neuroglia) - ANSWER: ➡ §Physical/chemical support for neurons
w w w w ww w w w w
§Insulate neurons w
§Guide developing neurons to their proper connections
w w w w w w
§Promote health & growth (repair)
w w w w
§Reproduce by mitosis w w
Astrocytes - ANSWER: ➡ §Most abundant glial cells
w w ww w w w w
§Attach to neurons & cover capillaries (provide a blood-brain-barrier)
w w w w w w w w
&
Provide structural and metabolic support for neurons.
w w w w w w
Microglia - ANSWER: ➡ small phagocytic (immune) cells w/ spiny processes
w w ww w w w w w w w
&
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 Schoolplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now