Test 4 Old questions Flashcards by Hannah Lillard

The structure that contains nuclei that regulates body temperature, water balance, appetite, and GI activity is the:

a) hypothalamus

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the diencephalon

a) is the center of abstract thought
b) contains the medulla oblongata
c) consists of the tectum, tegmenjtum, and basis pedunculi
d) controls ventilation rates
e) none of the above**

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The location of a pin prick on the bottom of the foot would be located by what structure

post-central gyrus**

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The major control systems for balance and posture in the body as well as muscular coordination are located in the:

cerebellum**

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The thalamus

integrates almost all afferent information**

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Coordination of the movement of the eyes is controlled

by the cerebellum
by the hypothalamus
by the reticular formation
by the inferior colliculi
none of the above**

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A blow to the back of the head frequently

causes blurred vision**

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A mid-sagittal cut would run along

the longitudinal fissure**

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The major control systems for balance and posture in the body as well as muscular coordination are located in the

cerebellum**

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The myelin sheath of peripheral nerves is broken into segments by the

nodes of ranvier**

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Nissl bodies are

rough endoplasmic reticulum*

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the capillaries are kept in proper position with the neurons by

astrocytes**

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The circle of Willis is derived from what branches from

internal carotid artery**

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The neuroglia that form myelin in the CNS and guide the development of neurons in the CNS are

oligodendrocytes

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Which of the following is NOT true of neurons?

they are the most abundant cells of nervous tissue**

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Cerebrospinal fluid is NOT found circulating in the

brachial plexus**

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The two anatomical divisions of the nervous system are

central and peripheral**

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Which part of nervous system is responsible for the fight or flight response?

sympathetic nerve system**

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Which of the following is not the part of brain stem?

cerebellum**

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In the brain map, which of the following matching about location and function is wrong?

postcentral gyrus -> premotor**

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Which of the following is NOT a paired cerebral lobe?

the medullary lobe**

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The visual area is located in the

occipital lobe**

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Neurofilaments

provide structural integrity for the axon**

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The area considered to be the site of origin of the higher intellectual activities that are characteristic of humans is known as the

frontal association area**

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The great commissural tract of the cerebrum is the

corpus callosum**

The blood brain barrier

is formed from densely packed capillaries and neuroglia cells**

Myelin sheath of CNS is formed from

oligodendrocytes

Depolarization of the axon terminal results in

-A rapid rise in calcium concentration near the neurolemma -A fusion of the vesicles of neurotransmitter substance with the neurolemma -An activation of synapsin =An exocytosis of neurotransmitter in to the synaptic cleft

The corpus callosum

Serves as a connection between the hemispheres

The region of the brain for the abstract thought in humans is know as the

Frontal cortex

The structure that contains nuclei that regulate body temperature, water balance, appetite, and gastro-intestinal activity is the

Hypothalamus

The elevated ridges of the cerebrum are known as

Gyri

The thalamus is the relay center for all sensory input except for

Olfaction

Degeneration of what cells in the basal ganglia results in delayed initiation of movement

Dopaminergic

The source for metabolism in the brain is primarily

Carbohydrates→Glucose

The coordination of eye movement is controlled by the

Superior colliculi

Limbic system

Is the emotional center

Alzheimer’s

- Has the presence amyloid plaques - Frequently has neurofibrillary tangles within the neurofilaments - Causes membrane instability within neurons of the brain - May result in aggressive behavior

Longitudinal fissure

Divides the brain into right and left hemispheres

The cross-extensor reflex

Causes inhibition of the agonist on the contralateral side and facilitation of the antagonist on the contralateral side

The visual area is located in the

Occipital lobe

The myelin sheath of peripheral nerves is broken into segments

Nodes of Ranvier

Nissl bodies are

Rough endoplasmic reticulum

The capillaries are kept in proper position with the neurons by

Astrocytes

The circle of Willis is derived from what branches

Internal carotid artery

Cerebral spinal fluid is formed

Choroid plexus

The precentral gyrus

Has pyramidal cells that control precise motor functions

Broca’s area

is the motor area for speech

The diencephalon includes which of the following structures?

thalamus, hypothalamus, and epithalamiums

The ventricular system is made of the

Lateral ventricles, third ventricle, cerebral aqueduct, and fourth ventricle

The ____ separates the frontal and parietal lobes

Central sulcus

The largest area of the post central gyrus is attributed to the

Face

______ pathways carrey sensory information while ____ pathways carry motor information

Afferent; Efferent

Humans have voluntary control over which branch of the nervous system?

Somatic

At a synapse, the neurotransmitter is released from the ___ membrane

Presynaptic

Menigitis is a condition characterized by inflammation of the meninges. Why can it become life threatening?

The dura mater can rupture

The dorsal root ganglion is a collection of

Sensory neuron cell bodies

Dis-associative drugs impair interaction of thalamus with postcentral gyrus symptoms of these drugs would be manifested with

Inability to locate the source of pain on the body

Damage to the temporal lobe may result in the inability to

Hear

Which compound is primarily responsible for length and depth of sleep cycles?

Melatonin

Which is the correct order of meningeal layers from deep to superficial?

Pia mater, arachnoid mater, dura mater

The blood brain barrier:

Is formed from densely packed endothelial cells

Axonal transport of new proteins travels

Away from the cell body

The startle reflex in response to a large noise to your side is mediated

By the inferior colliculi

Proprioceptive information to the cerebellum

allows the cerebellum to govern the velocity of shortening of a muscle

Nitric oxide

causes vasodilation

Medulla oblongata controls

Vasomotor tone, respiratory rate, vomiting reflex, and heart rate

The reticular formation

Controls level of arousal

Multiple sclerosis is an autoimmune disease that attacks oligodendrocytes. What effect would this have on neuron conduction velocity?

It would decrease

The telencephalon refers to the

Cerebral lobes

A blow to the back of the head frequently

Causes blurred vision

The coordination of neck and head movement for optimized reception of sound is associated with

inferior coliculi

An individual axon will

doesn’t release several types of neurotransmitters does not make direct contact with the post-synaptic membrane Does not contain Nissl bodies and Is depolarized by the neurotransmitter released by the PRE-synaptic terminal

Aging memory loss is associated with

a loss of cholinergic neurons of the hippocampus

A mid-sagital cut would run along

The longitudinal fissure

An inability to recall the answers to the questions on this test may indicate dysfunction of the

Hippocampus