WorksheetsCh. 12A: Central Nervous System
Total questions: 26
Worksheet time: 15mins
The CNS consists of the __ and _
cranial nerves
brain
spinal cord
spinal nerves
Gray matter: myelinated and nonmyelinated axons
True
False
__ matter: short, nonmyelinated neurons and cell-bodes
white
yellow
gray
red
4 regions of the brain:
epicranius
cerebral hemispheres
diencephalon
brain stem
cerebellum
Brain stem is made of the
pons
midbrain
diencephalon
medulla oblongata
What is the order of ventricles of the brain in descending order?
lateral ventricle, fourth ventricle, third ventricle
fourth ventricle, third ventricle, lateral ventricle
third ventricle, lateral ventricle, fourth ventricle
lateral ventricle, third ventricle, fourth ventricle
Gyri: ridges
True
False
Sulci: deep grooves
True
False
Fissures: deep groves
True
False
What is the site of the conscious mind?
cerebral cortex
medulla
amygdala
primary motor cortex
Each hemisphere is concerned with contralateral (opposite) side of body
False
True
What is considered the motor areas of the cerebral cortex? (2)
Premotor cortex- coordinates actions
Primary somatosensory cortex
Somatosensory association cortex
Primary (somatic) motor cortex- precise contralateral skeletal muscle movement
What is considered the sensory areas of the cerebral cortex? (2)
Premotor cortex
Primary somatosensory cortex- receives general sensory info from skin
Somatosensory association cortex- integrates sensory input to determine what is being felt
Primary (somatic) motor cortex
The gustatory cortex is involved in perception of __
smell
hear
taste
touch
The anterior association area is involved with
recognizing patterns and faces
intellect, cognition, recall, and personality
emotional impact that makes a scene important to us; memories
The posterior association area __
plays a role in recognizing patterns and faces
is involved with intellect, cognition, recall
provides emotional impact; memories
Hemispheres of the brain are identical
True
False
Which hemisphere controls language, math and logic?
Right hemisphere
Left hemisphere
Which cerebral white matter fibers are vertical fibers that connect hemispheres with lower brain or spinal cord?
Association fibers
Commissural fibers
Projection fibers
What is one of the functions of Basal Nuclei?
Produce red blood cells in red bone marrow
Regulate intensity of slow or stereotypes movements
Connect neuron to neuron in synaptic cleft
Understanding and learning a language
The diencephalon consists of: (3)
epithalamus
pons
hypothalamus
thalamus
The __ controls endocrine system functions
thalamus
third ventricle
epithalamus
hypothalamus
The __ secretes melatonin that helps regulate sleep-wake cycles
hypothalamus
cerebral cortex
epithalamus
lacrimal fissure
Which part of the brain plays a major role in balance?
brain stem
cerebellum
pons
limbic system
Which functional brain system is a large part of emotional or affective brain?
limbic system
reticular formation
Which functional system of the brain has connections that allow it to govern brain arousal and keep the cerebral cortex conscious and alert?
Limbic System
Reticular Formation
