Central Nervous System Knowledge check

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

prefrontal cortex (anterior association area)

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

Which of the following best describes the cerebrum?

executive suite

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 somatosensory cortex is located in the ________.

parietal lobe

The white matter of the spinal cord contains ________.

myelinated and unmyelinated nerve fibers

The process of linking new facts with old facts already stored in the memory bank is called ________.

association

Broca's area ________.

is considered a motor speech area

Emotional memory ________.

involves your pounding heart when you hear a rattlesnake

The limbic system acts as our emotional, or affective (feelings), brain.

True

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

True

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

hypothalamus

The ________ includes the thalamus, hypothalamus, and epithalamus.

diencephalon

The brain stem consists of the ________.

midbrain, medulla, and pons

A disturbance of posture, muscle tremors at rest, and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei.

True

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

True

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

False

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

REM sleep is associated with ________.

temporary skeletal muscle inhibition except for ocular muscles and diaphragm

REM sleep begins about 90 minutes after sleep begins.

True

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

True

While sleep requirements vary, most adults need ________ hours of sleep for optimal health and function.

7-8

Which brain waves are uncommon for awake adults, but are common for children?

theta

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

True

The subarachnoid space lies between what two layers of meninges?

arachnoid and pia

Which of the following is the mildest consequence of traumatic brain injury?

concussion

What type of cells line the ventricles of the brain?

ependymal cells

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

initiation of some nerve impulses

A patient suffering from memory loss, shortened attention span, disorientation, and eventual language loss is most likely suffering from _______.

Alzheimer's disease

The blood-brain barrier is effective against ________.

metabolic waste such as urea

The blood-brain barrier is the protective mechanism that helps maintain the brain's stable environment.

True

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

True