Nervous System Brain and Cranial Nerves

Which is not a general function of the hypothalamus? 1. Master control of motor responses 2. Regulation of body temperature 3. Control of food intake 4. Control of water intake 5. Master control of the autonomic nervous system

1. Master control of motor responses

Match the lobe of the cerebrum with its function. 1. Sensory functions such as touch 2. Processes visual input 3. Involved with hearing and smell. 4. Voluntary motor functions

1. Parietal 2. Occipital 3. Temporal 4. Frontal

Which of the following cranial nerves is NOT associated with eye muscles? 1. Trigeminal 2. Oculomotor 3. Trochlear 4. Abducens

1. Trigeminal

Your dentist gives you an injection of anesthetic in preparation for a filling. Which cranial nerve did they target? 1. V 2. VII 3. IX 4. XII

1. V

Match the selected cranial nerves with their function. 1. Controls muscles of mastication 2. Innervates tongue muscles 3. Controls visceral and cardiac muscle 4. Control of facial muscles 5. Vision 6. Equilibrium and hearing 7. Innervates pharynx

1. V. (5) Trigeminal 2. XII (12) Hypoglossal 3. X (10) Vagus 4. VII (7) Facial 5. II (2) Optic 6. VIII (8) Vestibulocochlear 7. IX (9) Glossopharyngeal

The sympathetic portion of the ANS would influence which of the following?

1. Your heart rate during this exam 2. Cognitive processes (thought) used to formulate the answers on the exam 3. Promotion of digestion of the sandwich you ate before the exam 4. Movement of your pencil during the exam 5. Adjustment of the ocular lens so that you can focus on the words

Which of the following cranial nerves allows one to taste a lemon and then make a face because it is sour? 1. Trigeminal 2. Facial 3. Abducens 4. Glossopharyngeal

2. Facial

All of the following are parasympathetic effects EXCEPT 1. decreased heart rate. 2. increased stomach secretion. 3. dilation of the bronchioles. 4. constriction of the pupils. 5. contraction of the bladder.

3. dilation of the bronchioles.

Degeneration of the neurons in which of the following structures leads to the muscle tremors associated with Parkinson disease? 1. Cerebral crus 2. Tegmentum 3. Pons 4. Substantia nigra 5. Inferior colliculi

4. Substantia Nigra

The autonomic nervous system.... 1. controls skeletal muscle contractions. 2. controls actions of the internal viscera. 3. controls release of secretions from glands. 4. both controls actions of the internal viscera and controls release of secretions from glands are correct.

4. both controls actions of the internal viscera and controls release of secretions from glands are correct.

The parasympathetic division arises from the __________ regions of the spinal cord.

Brain and sacral

The motor speech area is found in the left frontal lobe and is called

Broca's area

The motor speech area is found in the left frontal lobe and called

Brocas area

Which part of the brain is concerned with hunger, thirst, water balance, and body temperature?

Hypothalamus

Which part of the brain has centers for the control of breathing, heart rate, and vasoconstriction?

Medulla Oblongata

A patient is experiencing a high fever, stiff neck, drowsiness, and intense headaches. A spinal tap showed bacteria and white blood cells in the cerebrospinal fluid (CSF). This individual most likely has what condition?

Meningitis

Restful activities are governed by the...

Parasympathetic Nervous System

Which part of the brain works with the medulla oblongata to regulate respiration?

Pons

hich area of the brain serves as the sensory relay station for all sensory input except smell?

Thalmus

Where are the cell bodies of the preganglionic neurons of the sympathetic nervous system located?

Thoracolumbar region (T1 through L2)

True or False: The parasympathetic division stimulates digestion.

True

How many neurons are in most autonomic nervous system pathways?

Two

The cavities in the brain are called the

Ventricles

The cranial nerve that innervates smooth muscle and glands of the heart, lungs, larynx, trachea, and most abdominal organs is the ___________ nerve.

X (10) vagus

The neurotransmitter used by the parasympathetic nervous system is...

acetylcholine

Injury to the reticular formation can result in...

an irreversible coma

The ________ controls posture, balance, and the coordination of body movements.

cerebellum

The following are all major components of the brainstem except the _________. 1. pons 2. medulla oblongata 3. midbrain 4. cerebellum

cerebellum

Which part of the brain serves to coordinate skeletal muscle movements?

cerebellum

Cerebrospinal fluid is secreted by the _____ in the ventricles, and passes back into the blood through the _____.

choroid plexus, arachnoid granulations

The major pathway of communication between the right and left hemisphere is/are the

corpus callosum

List these events in the correct order for CSF flow in the CNS. a: CSF flows into the arachnoid villi b: CSF enters the blood c: CSF flows through the cerebral aqueduct to the fourth ventricle d: CSF flows into the subarachnoid space e: CSF is produced by the choroid plexus

e,c,d,a,b

Of the five cerebral lobes, the one not visible on the surface of the brain is the

insula

Wernicke's area or general interpretive area, is involved with

interpreting written and spoken language.

The dural venous sinuses are found between

layers of the dura mater.

The right side of the brain controls the ______ side of the body. The left side of the brain controls the ______ side of the body.

left, right

The __________ is/are composed of multiple structures that collaboratively process and experience emotions.

limbic system

The respiratory, cardiac and vasomotor control centers are located in the...

medulla oblongata

A descending pathway carries...

motor information from the brain to muscles and glands.

After a stroke a patient complains about lack of sensitivity in her right hand. The stroke most likely affected the precentral gyrus in the right frontal lobe.

postcentral gyrus in the left parietal lobe.

A group of nuclei scattered throughout the brainstem that play a role in arousing and maintaining consciousness are collectively called the

reticular formation

Sensory impulses from all of the senses except _____________ converge on the thalamus and synapse in at least one of its nuclei.

smell/ olfactory

The ________ division of the autonomic nervous system prepares the body to meet emergencies.

sympathetic

Norepinephrine is a neurotransmitter used by the...

sympathetic nervous system

Afferent fibers carrying general sensory input synapse in the _____, from where the information is relayed to the general sensory area.

thalamus

Sympathetic fibers arise only from the __________ region(s) of the spinal cord.

thoracic and lumbar