UBC PSYC 304 - BRAIN AND BEHAVIOR Midterm 1 Questions and Correct Answers/ Latest Update / Already Graded

1 | Page



UBC PSYC 304 - BRAIN AND BEHAVIOR
Midterm 1 Questions and Correct
Answers/ Latest Update / Already
Graded
Neuron


Ans: basic unit of the nervous system; nerve cell




Glial cells


Ans: cells in the nervous system that support, nourish, and protect neurons




Two basic types of cells


Ans: neurons and glial cells




Two basic types of neurons


Ans: projection and interneurons




Neuron Doctrine

,2 | Page

Ans: The hypothesis that the brain is composed of separate cells that are

distinct structurally, metabolically, and functionally.




Synapse


Ans: Gap between neurons




4 structural divisions found in all neurons


Ans: dendrites, cell body, axon, axon terminals




Dendrites


Ans: the receptive surfaces of the neuron and serve as an input zone




Input zone


Ans: receives information from other cells through dendrites




Major divisions of the nervous system

,3 | Page

Ans: Central Nervous System (CNS):


Brain and Spinal Cord




Peripheral Nervous System (PNS):


Somatic nervous system (SNS) and Autonomic Nervous System (ANS)




ANS and SNS:


Afferent and Efferent Nerves




Efferent nerves in the ANS:


Sympathetic Nervous System (fight-or-flight) and Parasympathetic

Nervous System (rest-and-digest)




Central Nervous System (CNS)


Ans: consists of the brain and spinal cord

, 4 | Page

Peripheral nervous system


Ans: A division of the nervous system consisting of all nerves that are not

part of the brain or spinal cord.




Autonomic Nervous System


Ans: the nerves that primarily control the internal organs




somatic nervous system


Ans: consists of nerves that interconnect the brain and the major muscles

and sensory systems of the body




afferent nerves


Ans: nerves that carry sensory information toward the central nervous

system




efferent nerves