PSYCH 381 EXAM 1
The cerebellum contains _____ of all the neurons in the adult human brain.
A. 20%
B. 50%
C. 10%
D. 80% - CORRECT ANSWER-D
The set of brain structures responsible for most of our unconscious behaviors is called:
A. the cerebral hemisphere.
B. the brainstem.
C. the cerebrum.
D. the cerebellum. - CORRECT ANSWER-B
The term afferent refers to _____ signals.
A. incoming
B. outgoing
C. different
D. similar - CORRECT ANSWER-A
Which is NOT part of the peripheral nervous system?
A. sensory receptors in the skin
B. connections to motor neurons
C. sensory and motor connections to internal organs (e.g., the stomach)
D. the spinal cord - CORRECT ANSWER-D
The CNS includes the ______, while the PNS includes the _______
A. brain and autonomic nervous system; spinal cord and somatic nervous system
B. spinal cord and autonomic nervous system; brain and somatic nervous system
C. spinal cord and brain; autonomic nervous system and somatic nervous system
D. somatic nervous system and brain; spinal cord and autonomic nervous system -
CORRECT ANSWER-C
What are the functions of the superior and inferior colliculi respectively?
A. auditory and visual
B. visual and auditory
C. tactile and visual
, D. visual and tactile - CORRECT ANSWER-A
There are _____ pairs of cranial nerves.
A. 12
B. 24
C. 16
D. 8 - CORRECT ANSWER-A
Which of the following is NOT correlated with brain size?
A. Health
B. Gender
C. Age
D. Intelligence - CORRECT ANSWER-D
The red nucleus, substantia nigra, and periaqueductal gray matter are parts of the:
A. tectum.
B. pons.
C. tegmentum.
D. reticular formation. - CORRECT ANSWER-C
The basal ganglia primarily controls:
A. decision making.
B. voluntary movement.
C. learning and memory.
D. processing of sound. - CORRECT ANSWER-B
What are the major functions of ependymal cells? - CORRECT ANSWER-They produce
CSF
Differentiate between gray matter and white matter - CORRECT ANSWER-Gray: motor
control, contains neuron cell bodies
White: Sensory control/external. Axons of cell bodies
Define EPSP - CORRECT ANSWER-excitatory postsynaptic potentials. Makes Action
potential more likely. Results of opening Na+ channel (making it more positive).
Define IPSP (inhibitory postsynaptic potential) - CORRECT ANSWER-a small
hyperpolarization produced in the postsynaptic cell as a result of input from the
presynaptic cell
The cerebellum contains _____ of all the neurons in the adult human brain.
A. 20%
B. 50%
C. 10%
D. 80% - CORRECT ANSWER-D
The set of brain structures responsible for most of our unconscious behaviors is called:
A. the cerebral hemisphere.
B. the brainstem.
C. the cerebrum.
D. the cerebellum. - CORRECT ANSWER-B
The term afferent refers to _____ signals.
A. incoming
B. outgoing
C. different
D. similar - CORRECT ANSWER-A
Which is NOT part of the peripheral nervous system?
A. sensory receptors in the skin
B. connections to motor neurons
C. sensory and motor connections to internal organs (e.g., the stomach)
D. the spinal cord - CORRECT ANSWER-D
The CNS includes the ______, while the PNS includes the _______
A. brain and autonomic nervous system; spinal cord and somatic nervous system
B. spinal cord and autonomic nervous system; brain and somatic nervous system
C. spinal cord and brain; autonomic nervous system and somatic nervous system
D. somatic nervous system and brain; spinal cord and autonomic nervous system -
CORRECT ANSWER-C
What are the functions of the superior and inferior colliculi respectively?
A. auditory and visual
B. visual and auditory
C. tactile and visual
, D. visual and tactile - CORRECT ANSWER-A
There are _____ pairs of cranial nerves.
A. 12
B. 24
C. 16
D. 8 - CORRECT ANSWER-A
Which of the following is NOT correlated with brain size?
A. Health
B. Gender
C. Age
D. Intelligence - CORRECT ANSWER-D
The red nucleus, substantia nigra, and periaqueductal gray matter are parts of the:
A. tectum.
B. pons.
C. tegmentum.
D. reticular formation. - CORRECT ANSWER-C
The basal ganglia primarily controls:
A. decision making.
B. voluntary movement.
C. learning and memory.
D. processing of sound. - CORRECT ANSWER-B
What are the major functions of ependymal cells? - CORRECT ANSWER-They produce
CSF
Differentiate between gray matter and white matter - CORRECT ANSWER-Gray: motor
control, contains neuron cell bodies
White: Sensory control/external. Axons of cell bodies
Define EPSP - CORRECT ANSWER-excitatory postsynaptic potentials. Makes Action
potential more likely. Results of opening Na+ channel (making it more positive).
Define IPSP (inhibitory postsynaptic potential) - CORRECT ANSWER-a small
hyperpolarization produced in the postsynaptic cell as a result of input from the
presynaptic cell
