What part of neuron is sometimes myelinated

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Reference no: EM133882490

Questions

1. Biopsychology is the study of

The biology of the skull

The psychology of biology

The biology of the mind and mental processes

mental states

2. What allows a psychologist to treat patients?

a doctorate

specialized training

ability to prescribe

a license

3. Rene Descartes, a French Philosopher, advocated

monism

dualism

psychophysiological parallelism

trepanation

4. Descartes (mistakenly) argued that there was a difference between

mind: body

self: soul

brain: spine

ego: spirit

5. Who is credited with the first psychology lab in Liepzig, Germany?

Sigmund Freud

Wally Jay

Wilhelm Wundt

Alfred Adler

6. The central nervous system consists of

The Brain

The Spinal Cord

The spinal column

The Brain and Spinal Cord

The Brain, the Spinal Cord, and the spinal column

7. Cerebro-spinal fluid is generated in

the frontal lobe

the ventricles

the cerebral aquaduct

the cerebellum

the mountain dew factory

8. All behavior is the product of

an organism's genetic endowment

an organism's experience

an organism's perception of the current situation

all of the other answers

9. Evolutionary changes are often triggered by

selective breeding

fossilization

paleontologists

brains

changes to the environment

10. What makes climate change so dangerous to humans is

the speed of the changes do not allow for adaptation

how slowly the changes will take place

we will evolve very quickly to survive

since we didn't cause it, we can't do anything about it

11. How many ventricles are there in the brain?

12. Neurons are specialized to receive, conduct, and transmit

telephone calls

axons

synapses

electrochemical signals

pizzas

13. What part of a neuron is sometimes myelinated?

dendrites

axon

cell body

buttons

none of the other answers

14. Myelination

causes cancer

penetrates the blood brain barrier

occurs only on Schwann cells

increases the speed of axonal conduction

decreases the speed of synaptic transmission

15. The back of your head is

posterior

dorsal

inferior

ventral

16. A membrane potential is the difference in electrical charge between

neuron membranes

synapses and cytoplasm

the inside and outside of a neuron

nuclei and tracts

ganglia and nerves

17. At rest,

a neuron has a membrane potential of about -70 mV

the electrical charge outside the neuron is 70 mV more than inside the neuron

a neuron is polarized

all of the other answers

18. Sodium (Na+), Chloride (Cl-), and Potassium (K+) pass through the neural membrane via specialized pores called

gap junctions

PSPs

ion channels

vesicles

connexons

19. Action potentials originate and summate at the

terminal buttons

synapses

axon hillock

node of Ranvier

nucleus

20. Which of the following statements best represents whether a neuron will fire or not?

If it feels like it

If the refractory period exceeds the threshold of difference

If the summation of IPSPs and EPSPs meet the threshold of excitation

If the IPSPs are greater than the threshold of difference

If the IPSPs outweigh the ion channels

Reference no: EM133882490

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