CNS (Central Nervous System)

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

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

Fiber tracts

White matter is found in all of the following locations EXCEPT the

cerebral cortex

The primary somatosensory cortex is located in the

parietal lobe

What groove separates the frontal lobe from the parietal lobe?

Central sulcus

Which of the following best describes the cerebrum?

Executive suite

An elevated ridge of the cortex is called a

gyrus

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

The hemispheres are exactly equal in function.

The lateral sulcus separates which lobes?

temporal from parietal

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

initiating protective reflex actions

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

Gyri

The frontal lobe is separated from the temporal lobe by the

Lateral sulcus

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.

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

Broca's area

is considered a motor speech area

Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality?

prefrontal cortex (anterior association area)

The area of the cortex that is responsible for sensing a full bladder and the feeling that your lungs will burst when you hold your breath too long is the

visceral sensory 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

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

corpus callosum

Which brain structure functions to control the autonomic nervous system and to regulate body temperature?

hypothalamus

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?

infundibulum

The ________ includes the thalamus, hypothalamus, and epithalamus

diencephalon

Nuclei of cranial nerves V (trigeminal), VI (abducens), and VII (facial) are found in the

pons

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

Important nuclei of the indirect (multineuronal) system that receive impulses from the equilibrium apparatus of the inner ear and help to maintain balance by varying muscle tone of postural muscles are the

Vestibular nuclei

Which of the following is (are) involved with motor activity (either initiation or coordination)?

Red nuclei

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

pyramids

The corpora quadrigemina are found in the

midbrain

The arbor vitae refers to

cerebellar white matter

All of the following are structures of the limbic system EXCEPT the

caudate nucleus

The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the

Reticular formation

The light of dawn and the buzz of an alarm clock lead to wakefulness through the

Reticular activating system

The subarachnoid space lies between what two layers of meninges?

arachnoid and pia

The blood-brain barrier is effective against

metabolic waste such as urea

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

Red blood cells

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

initiation of some nerve impulses

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

dura

Which of the following is a dural septum, described as a large sickle-shaped fold that dips into the longitudinal fissure between the cerebral hemispheres?

falx cerebri

Cell bodies of sensory neurons are located in

the dorsal root ganglia of the spinal cord

The white matter of the spinal cord contains

myelinated and unmyelinated nerve fibers

An individual accidentally transected (cut across) the spinal cord between T1 and L1. This would result in

paraplegia

Spastic paralysis suggests involvement of the

Upper motor neurons

Interneurons receiving input from sensory neurons are located in the

dorsal (posterior) horn