Question 1

Spinal nerves are grouped and named according to function.

Accepted Answer

A) True 
 B)False

Question 2

The phrenic nerves arise from the

Accepted Answer

A) cervical plexuses. 
B) brachial plexuses. 
C) lumbar plexuses. 
D) sacral plexuses. 
A) cervical plexuses. 
B) brachial plexuses. 
C) lumbar plexuses. 
D) sacral plexuses.

Question 3

Which of the following are descending tracts in the spinal cord?

Accepted Answer

A) Spinothalamic 
B) Spinocerebellar 
C) Fasciculus gracilis 
D) Rubrospinal 
A) Spinothalamic 
B) Spinocerebellar 
C) Fasciculus gracilis 
D) Rubrospinal

Question 4

A fetus possesses a mutation that causes the diencephalon region of the developing brain to cease growing. Which structures in the mature brain will be missing/abnormal if the fetus survives to birth and childhood?

Accepted Answer

A) The cerebellum 
B) The thalamus, pineal gland, and hypothalamus 
C) The cerebrum 
D) The pons, midbrain, and medulla 
A) The cerebellum 
B) The thalamus, pineal gland, and hypothalamus 
C) The cerebrum 
D) The pons, midbrain, and medulla

Question 5

Interruption of blood flow to the brain that can damage the cerebrum is called a

Accepted Answer

A) concussion. 
B) contusion. 
C) cerebrovascular accident. 
D) myocardial infarction. 
A) concussion. 
B) contusion. 
C) cerebrovascular accident. 
D) myocardial infarction.

Question 6

The spinothalamic tract conducts impulses

Accepted Answer

A) from the thalamus to the cerebral cortex. 
B) up the spinal cord to the thalamus. 
C) down the spinal cord from the thalamus. 
D) that stimulate skeletal muscles. 
A) from the thalamus to the cerebral cortex. 
B) up the spinal cord to the thalamus. 
C) down the spinal cord from the thalamus. 
D) that stimulate skeletal muscles.

Question 7

When performing a dissection, you notice that some of the nerves of the thoracic section of the spinal cord have ganglia that are located very close to the spinal cord. Some run laterally along the vertebral column. Many of the postganglionic fibers extend from these "chain" ganglia over to their effector organs. You are observing nerves of the ________ division.

Accepted Answer

The answer of When performing a dissection, you notice that...

Question 8

The somatic nervous system consists of nerve fibers that connect the CNS to the ________, whereas the autonomic nervous system consists of fibers that connect the ________.

Accepted Answer

A) skin and skeletal muscles; brain to the spinal cord 
B) visceral organs; CNS to the skin and skeletal muscles 
C) heart and intestines; CNS to the cardiac and smooth muscles 
D) skin and skeletal muscles; CNS to the visceral organs 
A) skin and skeletal muscles; brain to the spinal cord 
B) visceral organs; CNS to the skin and skeletal muscles 
C) heart and intestines; CNS to the cardiac and smooth muscles 
D) skin and skeletal muscles; CNS to the visceral organs

Question 9

If the area of the cerebral hemisphere corresponding to Broca's area is damaged,

Accepted Answer

A) memory is lost. 
B) motor control to the right leg is impaired. 
C) eyesight is lost. 
D) motor control of the muscles associated with speech is lost. 
A) memory is lost. 
B) motor control to the right leg is impaired. 
C) eyesight is lost. 
D) motor control of the muscles associated with speech is lost.

Question 10

Spinal nerve injury may result from

Accepted Answer

A) fracture of vertebrae, dislocations, or birth injuries. 
B) too little dopamine in the basal ganglia. 
C) excess acetylcholine in synapses. 
D) a drug overdose. 
A) fracture of vertebrae, dislocations, or birth injuries. 
B) too little dopamine in the basal ganglia. 
C) excess acetylcholine in synapses. 
D) a drug overdose.

Question 11

The pattern of gray matter in the spinal cord is divided into

Accepted Answer

A) horns. 
B) funiculi. 
C) meninges. 
D) roots of spinal nerves. 
A) horns. 
B) funiculi. 
C) meninges. 
D) roots of spinal nerves.

Question 12

The gray commissure of the spinal cord surrounds the central canal.

Accepted Answer

A) True 
 B)False

Question 13

All reflexes

Accepted Answer

A) have association neurons. 
B) have a reflex arc. 
C) have interneurons. 
D) occur in the spinal cord. 
A) have association neurons. 
B) have a reflex arc. 
C) have interneurons. 
D) occur in the spinal cord.

Question 14

Brain waves are recordings of activity in the

Accepted Answer

A) medulla oblongata. 
B) cerebellum. 
C) cerebral cortex. 
D) brainstem. 
A) medulla oblongata. 
B) cerebellum. 
C) cerebral cortex. 
D) brainstem.

Question 15

The choroid plexuses project into the ventricles.

Accepted Answer

A) True 
 B)False

Question 16

The complex network of tiny islands of gray matter in the brain, that upon receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the

Accepted Answer

A) dentate nucleus. 
B) reticular formation. 
C) limbic system. 
D) corpora quadrigemina. 
A) dentate nucleus. 
B) reticular formation. 
C) limbic system. 
D) corpora quadrigemina.

Question 17

The fourth ventricle is in the

Accepted Answer

A) left cerebral hemisphere. 
B) brainstem. 
C) midline of the brain, beneath the corpus callosum. 
D) right cerebral hemisphere. 
A) left cerebral hemisphere. 
B) brainstem. 
C) midline of the brain, beneath the corpus callosum. 
D) right cerebral hemisphere.

Question 18

The basal nuclei include the

Accepted Answer

A) putamen. 
B) pons. 
C) midbrain. 
D) corpus callosum. 
A) putamen. 
B) pons. 
C) midbrain. 
D) corpus callosum.

Question 19

The expected response to the triceps-jerk reflex is

Accepted Answer

A) flexion of the forearm. 
B) extension of the forearm. 
C) plantar flexion. 
D) flexion of the shoulder. 
A) flexion of the forearm. 
B) extension of the forearm. 
C) plantar flexion. 
D) flexion of the shoulder.

Question 20

A newborn has a CT scan of the brain to identify a cause of seizures. The scan showed no convolutions (gyri)of the cerebral cortex. She has

Accepted Answer

A) lissencephaly. 
B) anencephaly. 
C) spina bifida. 
D) leakage of cerebrospinal fluid. 
A) lissencephaly. 
B) anencephaly. 
C) spina bifida. 
D) leakage of cerebrospinal fluid.

Exam 11: Nervous System II: Divisions of the Nervous System

Spinal nerves are grouped and named according to function.

The phrenic nerves arise from the

Which of the following are descending tracts in the spinal cord?

A fetus possesses a mutation that causes the diencephalon region of the developing brain to cease growing. Which structures in the mature brain will be missing/abnormal if the fetus survives to birth and childhood?

Interruption of blood flow to the brain that can damage the cerebrum is called a

The spinothalamic tract conducts impulses

The somatic nervous system consists of nerve fibers that connect the CNS to the ________, whereas the autonomic nervous system consists of fibers that connect the ________.

If the area of the cerebral hemisphere corresponding to Broca's area is damaged,

Spinal nerve injury may result from

The pattern of gray matter in the spinal cord is divided into

The gray commissure of the spinal cord surrounds the central canal.

All reflexes

Brain waves are recordings of activity in the

The choroid plexuses project into the ventricles.

The complex network of tiny islands of gray matter in the brain, that upon receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the

The fourth ventricle is in the

The basal nuclei include the

The expected response to the triceps-jerk reflex is

A newborn has a CT scan of the brain to identify a cause of seizures. The scan showed no convolutions (gyri)of the cerebral cortex. She has

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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The somatic nervous system consists of nerve fibers that connect the CNS to the , whereas the autonomic nervous system consists of fibers that connect the .