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59 Cards in this Set

  • Front
  • Back

The brain and spinal cord start as an embryonic structure called the neural plate


The canal connecting the third and fourth ventricles and running through the midbrain is the interventricular foramen


White matter (myelinated fibers) is found in all of the following locations except the ________.

cerebral cortex

Which of these would you NOT find in the cerebral cortex?

fiber tracts

What type of cells line the ventricles of the brain?


Embryonic damage to the mesencephalon could result in improper formation of the midbrain.


Which of the following is NOT a role of the basal nuclei?

initiating protective reflex actions

The three basic regions of the cerebrum are the cerebral cortical gray matter, internal white matter, and the superior and inferior colliculi.


The frontal lobe is separated from the temporal lobe by the ________.

lateral sulcus

Which of the following best describes the cerebrum?

executive suite

Commissural fibers connect the cerebrum to the diencephalon.


Projection fibers in the brain mainly connect the right and left hemispheres


Which of the following generalizations does not describe the cerebral cortex?

The hemispheres are exactly equal in function.

The central sulcus separates which lobes?

frontal from parietal

The large commissure that connects the right and left sides of the brain is called the ________.

corpus callosum

Which fissure separates the cerebral hemispheres?

longitudinal fissure

An individual who could trace a picture of a bicycle with his or her finger but could not recognize it as a bicycle is most likely to have sustained damage to the ________.

visual association area

Loss of ability to perform skilled motor activities such as piano playing, with no paralysis or weakness in specific muscles, might suggest damage to the ________.

premotor cortex

In most people, the left cerebral hemisphere has greater control over language abilities, math, and logic


Broca's area ________.

is considered a motor speech area

The ________ includes the thalamus, hypothalamus, and epithalamus.


Injury to the hypothalamus may result in all of the following EXCEPT ________.

loss of fine motor control

What connects the hypothalamus to the pituitary gland?


The corpora quadrigemina are found in the ________.


Nuclei relating to the startle reflex are located in the corpora quadrigemina of the midbrain.


The brain stem consists of the ________.

midbrain, medulla, and pons

Vital centers for the control of heart rate, respiration, and blood pressure are located in the ________.

medulla oblongata

One functional center found within the medulla oblongata is a respiratory center involved in the control of the rate and depth of breathing.


The arbor vitae refers to ________.

cerebellar white matter

Arachnoid granulations are knoblike projections that protrude superiorly through the ________ mater to absorb cerebrospinal fluid into venous blood.


Which ventricle is continuous with the central canal of the spinal cord?


Which of the following would you NOT find in normal cerebrospinal fluid?

red blood cells

The subarachnoid space lies between what two layers of meninges?

arachnoid and pia

Which of the following is NOT a function of the CSF?

initiation of some nerve impulses

The blood-brain barrier is effective against ________.

metabolic waste such as urea

Cerebrospinal fluid circulates within the ventricles of the brain and in the subarachnoid space outside the brain.


Interneurons receiving input from sensory neurons are located in the ________.

dorsal (posterior) horn

The white matter of the spinal cord contains ________.

myelinated and unmyelinated nerve fibers

Most of the ascending and descending pathways to and from the brain cross over (decussate) from one side of the body to the other.


If someone spills very hot coffee (200 0F) on their skin, they will likely perceive much pain. Which of the following receptor types is causing this sensation?


A person picks up a heavy suitcase in order to estimate its weight and reflexively drops it. Which of the following receptors has initiated this reflex?

tendon organ

Lamellar corpuscles can be exteroceptors, interoceptors, or proprioceptor.


Select the statement that is most correct.

Ganglia associated with afferent nerve fibers contain cell bodies of sensory neurons.

Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond.


A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a ________.

Golgi tendon reflex

Inborn or intrinsic reflexes are ________.

involuntary, yet may be modified by learned behavior

In a crossed-extensor reflex, if the right arm was grabbed it would flex and the left arm would ________.


Which of the following is the correct simple spinal reflex arc?

receptor, afferent neuron, integration center, efferent neuron, effector

Some large arteries that are proximal to the heart are sensitive to the stretch of the blood vessels. This stretch indicates the blood's pressure. Which of the following pairs of classifications below best fit the receptor type that is being described above?

mechanoreceptors that are also interoceptors

Feeling a gentle caress on your arm would likely involve all of the following except ________.

Lamellar corpuscles

Tactile sensation is a combination of touch, pressure, stretch and vibration. Which of the following is most likely the receptor type that senses tactile stimulation?


Nerves that carry impulses toward the CNS only are ________.

afferent nerves

If the caudal portion of the neural tube failed to develop properly the ________.

spinal cord may be affected

Which of the following statements is FALSE?

Damage to the primary (somatic) motor cortex results in the loss of both voluntary muscle control and all reflexive contractions

The primary auditory cortex is located in the ________.

temporal lobe

Ridges of tissue on the surface of the cerebral hemispheres are called ________.


Sorting of sensory information and relaying it to the appropriate cerebral sensory area occurs in the hypothalamus.


Degeneration of the dopamine-releasing neurons of the ________ is the ultimate cause of Parkinson's disease.

substantia nigra

The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ______