Chapter 11 and 12 Quiz (notes) – Flashcards
Unlock all answers in this set
Unlock answersquestion
Which of the following choices below describes the ANS
answer
Sensory and motor neurons that supply the digestive tract
question
Which of the following is not a function of an astrocyte
answer
Provide defense for the CNS
question
What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid
answer
Ependymal cells
question
The sheath of Schwann is also called the
answer
Neurilemma
question
Bipolar neurons are commonly
answer
found in the retina of the eye
question
Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle
answer
Acetylcholine
question
Which of the following describes the nervous system integrative function
answer
analyzes sensory information, stores information, makes decisions
question
The period after an initial stimulus when a neuron is not sensitive to another stimulus is the
answer
absolute refractory period
question
Which of the following is not a special characteristic of neurons
answer
They are mitotic
question
The part of the neuron that conducts impulses away from its cell body is called a(n)
answer
axon
question
Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials
answer
voltage gated channel
question
An impulse from one nerve cell is communicated to another nerve cell via the
answer
synapse
question
What is the role of acetylcholinesterase
answer
destroy ACh a brief period after its release by the axon endings
question
Which is not a function of the ANS
answer
skeletal muscle
question
Collections of nerve cell bodies outside the central nervous system are called
answer
ganglia
question
The term central nervous system refers to the
answer
brain and spinal cord
question
Ependymal cells
answer
help to circulate the cerebrospinal fluid
question
Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are
answer
astrocytes
question
Schwann cells are functionally similar to
answer
oligodendrocytes
question
Immediately after an action potential has peaked which cellular gates open
answer
potassium
question
An inhibitory postsynaptic potential IPSP is associated with
answer
hyperpolarization
question
2nd nerve impulse can't be generated
answer
until reestablishment of the membrane action potential
question
Which neuralgia controls the chemical environment
answer
astrocytes
question
Schwann cells are similar to
answer
oligodendrocytes
question
Action potential peaks
answer
potassium gates open
question
Interior surface
answer
negative charge and less sodium
question
What is the substance released at axom terminals to propagate nerve impulses called
answer
neurotransmitter
question
Salatory conduction
answer
myelin sheath
question
Which statement about nervous impulses is not true
answer
Nervous impulses occur if excited and inhibited effects are equal
question
Anteriolateral pathways
answer
Emotional aspect of perception
question
Suprachiasmatic nucleus is in the
answer
Hypothalamus
question
Nucleii 5,6, and 7 are located in the
answer
Pons
question
Where is the vital center control for HR, Respiration, and BP located
answer
Medulla
question
Cell bodies of the sensory neurons of the spinal nerves are located in the
answer
dorsal root ganglia of spinal cord
question
What is the cerebrum called
answer
Executive suite
question
What is the shallow groove on the outer surface of the brain called
answer
Sulci
question
If the posterior portion of the neural tube failed to develop properly
answer
the spinal cord may be affected
question
What does the central sulcus separate
answer
Frontal/parietal
question
Neural tract that convey lifesaving information to the brain concerning burning pain
answer
Lateral spiinothalamic (bringing sensory input)
question
Hypothalamus
answer
Thermostat
Regulate body temperature
question
White matter of the spinal cord contains
answer
Myelinated and unmyelinated fibers
question
Transected T1 and L1 cause
answer
Paraplegia
question
Brain stem is
answer
Midbrain, pons, and medulla
question
Primary auditory cortex is located in the
answer
Temporal lobe
question
Spinocerebullar tracts
answer
Carry proprioceptive inputs to the cerebellum
question
Subarachnoid space is located between
answer
The arachnoid and pia mater
question
Broca's area is associated with
answer
Speech
question
Blood brain barrier is effective against
answer
metabolic waste such as urea
question
Which is not part of the basal nuclei
answer
Substantia nigra
question
The process of linking new facts with old facts already stored in the memory bank is called
answer
consolidation
question
The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex
answer
Reticular formation
question
Which of the following would you not find in normal CSF
answer
Red blood cells
question
Injury to the hypothalamus may not result in loss of
answer
proprioception
question
Which association regarding the function and location of the cerebrum is most accurate
answer
Motor and anterior
question
Which of the following structures is not directly involved in memory
answer
Medulla
question
Which part of the cerebrum is involved in intellect, cognition, decision making
answer
Prefrontal cortex
question
Area of the cortex that is responsible for sensations of the full bladder and the feeling lungs will burst when you hold your breath too long
answer
Visceral sensory
question
Which statement about coma is true
answer
Coma is defined as total unresponsiveness to stimuli for a long period of time
question
Tremor at rest, shuffling gait, stooped posture, expressionless face
answer
Parkinson's disease
question
Which of the following is the mildest consequence of traumatic brain injury
answer
Concussion
question
Which statement about sleep is not true
answer
Stage 4 sleep increases in old age
question
Which statement about epilepsy is most accurate
answer
Epilepsy is often genetically induced but also frequently caused by head trauma, stroke, infection and tumor
question
White matter (myelinated fibers) is found in all of the following locations except the
answer
Cerebral cortex
question
Which brain waves are not normal for awake adults but are common for children?
answer
Theta waves
question
The patellar "knee jerk" reflex is an example of
answer
Stretch reflex
question
This nerve is not a branch of the Trigeminal nerve
answer
Cervical
question
Which of the following nerves does not arise from the brachial plexus
answer
Phrenic
question
Which of the following is not an example of an exteroceptor
answer
Baroreceptor-Carotid artery
question
The posterior side of the thigh, leg, and foot is served by the
answer
Tibial nerve
question
Regeneration with the CNS is prevented due to
answer
growth inhibiting proteins of oligodendrocytes
question
Starting at the spinal cord, the subdivisions of the brachial plexus are (in order)
answer
Rami
Trunks
Divisions
Cords
question
Bell's palsy is characterized by
answer
paralysis of facial muscles
question
Which of the following is the correct simple spinal reflex arc
answer
Receptor
Afferent
Integration
Efferent
question
Which of the following is part of the basal nuclei
answer
Putamen
Globus pallidus
Lentiform nucleus
question
Which of the following would you find in the cerebrospinal fluid
answer
Protein
Potassium
Glucose
question
REM sleep is associated with temporary skeletal muscle inhibition except for
answer
the intrinsic eye muscles
question
Not a function of the CSF
answer
initiation of some nerve impulses
question
Injury to the hypothalamus results in all of the following
answer
Pathologic sleep
Loss of body temperature control
Production of excess quantities of urine
question
Which of the following structures participate in memory
answer
Prefrontal cortex
Amygdala
Hippocampus
question
Describe Autonomic Nervous System (ANS)
answer
Motor fibers that conduct nerve impulses from CNS to small muscles and glands
question
What happens when the action potential peaks
answer
Potassium gates open
