Chapter 14 - The Brain and Cranial Nerves: Wiley Questions

Which of the following describes a function of cerebrospinal fluid? 1. Maintain optimum ionic environment 2. Maintain pH homeostasis 3. Provide circulation for exchange of nutrients/wastes 4. Serve as a shock absorbing fluid system of spinal cord 5. Provide buoyancy of the brain

1, 2, 3, 4, 5

Which functional area of the cerebrum is responsible for perception of touch, coldness, and warmth?

Primary somatosensory area

True or False: The cranial nerves are part of the peripheral nervous system.

True

The hypothalamus: - produces hormones - plays a major role in regulating homeostasis, visceral activity and temperature - regulates certain emotions like rage, sexual arousal, aggression, pain and pleasure - regulates eating and drinking behavior

all of these are correct

Which of the following is a function of the basal nuclei? - control subconscious contraction of skeletal muscles - influence attention, memory and planning - help initiate and terminate movements - assist in regulating emotional behaviors

all of these choices are functions of the basal nuclei

Which brain structure consists of the medulla oblongata, pons, midbrain?

brain stem

Cerebrospinal fluid is produced in which structure(s)?

choroid plexus

What conducts nerve impulses between the two cerebral hemispheres?

commissural tracts

A projection tract is one which:

consists of axons that conduct nerve impulses to or from the cerebrum

The term 'decussation' means:

crossing

Which of the following brain structures consists of the thalamus, hypothalamus, and epithalamus?

diencephalon

True or False: The reticular formation has almost all ascending information synapses in it.

false

True or False: the cranial meninges have four distinct layers.

false

Subtle anatomical differences between each hemisphere in the brain is called:

hemispheric lateralization

Which portion of the ventricular system is located in the cerebral hemisphere?

lateral ventricle

Which component of the brain is referred to as the "emotional brain" as it plays primary role in a wide range of emotions?

limbic system

An electroencephalogram (EEG) measures brain waves primarily generated by

neurons in the cerebral cortex.

Which region of the brain contains the pontine respiratory group that helps control breathing?

pons

Which of the following substances can NOT pass through the blood-brain barrier (BBB) to enter the CSF? - Carbon dioxide - Protein - Oxygen - Glucose - Water

protein

Which region of the brain is separated by the third ventricle and projects most sensory information to the cerebral cortex from the spinal cord and brain stem?

thalamus

Sensory cranial nerves carry impulses to ________; motor cranial nerves carry impulses to _____.

the brain; effectors

During brain development, the gyri of the cerebrum are formed because

the gray matter grows faster than the underlying white matter.

True or False: The cerebellum evaluates how well movements initiated by motor areas are actually being carried out.

true

True or False: The location of the cerebellum is posterior to the brainstem and inferior to the cerebrum.

true

True or False: The meningeal layer is the internal layer of cranial dura mater.

true