A&P Ch. 10 practice questions

The spinal cord is protected by

-meninges -vertebral canal -cerebrospinal fluid

Select the cranial nerve responsible for vision.

II

Select the cranial nerves responsible for movement of the eyeball.

III, IV and VI

Which part of the brain consists of the medulla oblongata, pons, and midbrain?

brain stem

The part(s) of the brain that helps to coordinate complex skeletal muscle movements is(are) the

cerebellum

The sites of CSF production are

choroid plexuses

Cerebellum function to:

coordinate movements and regulate balance

The thalamus is found in the region of the brain known as the

diencephalon

Spinal nerves connect to the spinal cord by

dorsal and ventral roots

The layer of the meninges that is located closest to the surrounding bone is called the

dura mater

The auditory association area is located in the diencephalon.

false

The cerebrum regulates posture and balance.

false

Damage to the choroid plexus would interfere with

formation of cerebrospinal fluid

The main source of energy for the brain is

glucose

The gray matter of the spinal cord is divided into regions known as

horns

Which part of the brain controls body temperature, hunger, thirst and emotions such as rage?

hypothalamus

The hypothalamus is considered part of both the nervous system and the endocrine system because it

integrates activities of the ANS and controls release of hormones from the pituitary gland.

Which of the following areas of the brain is sometimes referred to as the "emotional brain"?

limbic system

All of the following areas of the brain are involved in storing or processing memories EXCEPT the

medulla oblongata

The cardiovascular center, which controls the rate and force of the heartbeat and the diameter of blood vessels, is located in the

medulla oblongata

The control center that adjust the basic rhythm of breathing is found in the

medulla oblongata

The portion of the brain stem that is continuous with the spinal cord is the

medulla oblongata

The vital centers for heart rate, respiratory rhythm, and blood vessel diameter are regulated by the

medulla oblongata

In a reflex arc, the nerve impulse is transmitted directly to the effector by the

motor neuron

The primary visual area of the cerebrum is located in the

occipital

The primary somatosensory area is located in the ______ and is responsible for ______.

parietal lobe; perception of touch, pain, and temperature

The innermost layer of the meninges is the

pia mater

Which of the following areas of the cerebral cortex receives nerve impulses for touch, proprioception, pain, itch, tickle, and temperature?

primary somatosensory area

The blood-brain barrier functions to

protect brain cells from many pathogens

In the knee jerk reflex shown in the figure, which of the following components of the reflex arc serves as the effector?

quadriceps femoris muscle

Which of the following best describes a characteristic of the pineal gland?

secretes a hormone that promotes sleepiness

Which type of neuron conducts nerve impulses toward the central nervous system?

sensory

The central nervous system (CNS) consists of the brain and

spinal cord

In a spinal tap, cerebrospinal fluid is removed from the

subarachnoid space

This space between the arachnoid mater and pia mater is called the

subarachnoid space

A shallow groove on the surface of the cerebrum is called a

sulcus

The primary auditory area of the cerebrum is located in the

temporal lobe

In a somatic reflex

the effector is skeletal muscle.

From early adulthood onward, the number of neurons in the brain does not decrease much but the number of synapses steadily declines.

true

Spinal nerves are mixed nerves.

true

The brain and spinal cord are nourished and protected from injury by cerebral spinal fluid.

true

The left and right hemispheres are separated from each by the longitudinal fissure.

true

The limbic system controls most involuntary aspects of behavior related to survival.

true

The posterior root ganglion contains cell bodies of sensory neurons.

true

There are twelve pairs of cranial nerves and 31 pairs of spinal nerves.

true

The _____ nerve is the longest cranial nerve.

vagus

The cranial nerve responsible for hearing is the

vestibulocochlear (VIII) nerve

The spinal cord consists of

white matter and gray matter