Question 1

Starting at the spinal cord,the subdivisions of the brachial plexus are (in order)________.

Accepted Answer

A)  divisions, roots, trunks, and cords 
B)  trunks, divisions, cords, and roots 
C)  roots, divisions, cords, and trunks 
D)  roots, trunks, divisions, and cords 
A)  divisions, roots, trunks, and cords 
B)  trunks, divisions, cords, and roots 
C)  roots, divisions, cords, and trunks 
D)  roots, trunks, divisions, and cords

Question 2

Match the following:
-Tactile corpuscle.

Accepted Answer

A) Pacinian corpuscle 
B) Ruffini endings 
C) Meissner corpuscle 
A) Pacinian corpuscle 
B) Ruffini endings 
C) Meissner corpuscle

Question 3

Match the following:
-Controls the outputs of the cortex and regulates motor activity.

Accepted Answer

A) Segmental level 
B) Projection level 
C) Precommand level 
A) Segmental level 
B) Projection level 
C) Precommand level

Question 4

A person picks up a heavy suitcase in order to estimate its weight and reflexively drops it.Which of the following receptors has initiated this reflex?

Accepted Answer

A)  lamellae corpuscle 
B)  free nerve ending 
C)  tendon organ 
D)  bulbous corpuscle 
A)  lamellae corpuscle 
B)  free nerve ending 
C)  tendon organ 
D)  bulbous corpuscle

Question 5

A doctor asks her patient to follow the motion of her finger as she moves it up and down,left and right.Which of the following cranial nerves is not being tested?

Accepted Answer

A)  the oculomotor nerve (III) 
B)  the vestibulocochlear nerve (VIII) 
C)  the abducens (VI) 
D)  the trochlear nerve (IV) 
A)  the oculomotor nerve (III) 
B)  the vestibulocochlear nerve (VIII) 
C)  the abducens (VI) 
D)  the trochlear nerve (IV)

Question 6

Good friends Sami and Sara were picking roses when both encountered rose thorns.Sami just laughed and continued to pick more roses.Sara,however,had tears in her eyes and complained of how much the thorn prick hurt.What accounts for the difference in their response to the same pain stimulus?

Accepted Answer

Even though both individuals have the sa

Question 7

Which of the following is an incorrect statement regarding the occurrence of a sensation?

Accepted Answer

A)  A generator potential in the associated sensory neuron must reach threshold. 
B)  The stimulus energy must be converted into the energy of a graded potential called a transduction potential. 
C)  The stimulus energy must match the specificity of the receptor. 
D)  The stimulus energy must occur within the receptor's receptive field. 
A)  A generator potential in the associated sensory neuron must reach threshold. 
B)  The stimulus energy must be converted into the energy of a graded potential called a transduction potential. 
C)  The stimulus energy must match the specificity of the receptor. 
D)  The stimulus energy must occur within the receptor's receptive field.

Question 8

An incorrectly placed intramuscular injection can cause injury to which nerve of the lumbar plexus?

Accepted Answer

The answer of An incorrectly placed intramuscular injection can cause...

Question 9

Injury to cervical vertebra C3-C4 is particularly problematic because ________.

Accepted Answer

A)  several ganglia are near this region that serve the heart 
B)  the greater auricular nerve that serve the parotid gland receive there fibers from here 
C)  the phrenic nerve that serves the diaphragm receives its fibers from here 
D)  part of the brain stem is located here 
A)  several ganglia are near this region that serve the heart 
B)  the greater auricular nerve that serve the parotid gland receive there fibers from here 
C)  the phrenic nerve that serves the diaphragm receives its fibers from here 
D)  part of the brain stem is located here

Question 10

Which of the following is the correct simple spinal reflex arc?

Accepted Answer

A)  receptor, afferent neuron, integration center, efferent neuron, effector 
B)  receptor, efferent neuron, integration center, afferent neuron, effector 
C)  effector, afferent neuron, integration center, efferent neuron, receptor 
D)  effector, efferent neuron, integration center, afferent neuron, receptor 
A)  receptor, afferent neuron, integration center, efferent neuron, effector 
B)  receptor, efferent neuron, integration center, afferent neuron, effector 
C)  effector, afferent neuron, integration center, efferent neuron, receptor 
D)  effector, efferent neuron, integration center, afferent neuron, receptor

Question 11

Match the following:
-Receptors located in epithelium of the nasal cavity.

Accepted Answer

A) Olfactory 
B) Accessory 
C) Abducens 
D) Vagus 
E) Vestibulocochlear 
A) Olfactory 
B) Accessory 
C) Abducens 
D) Vagus 
E) Vestibulocochlear

Question 12

The highest level of motor control involves the basal nuclei and the ________.

Accepted Answer

The answer of The highest level of motor control involves...

Question 13

A patient has lost vision on the left side of both eyes.The patient has likely suffered damage to ________.

Accepted Answer

A)  the optic chiasm 
B)  the retinas of the eyes 
C)  the optic nerves 
D)  the right optic tract 
A)  the optic chiasm 
B)  the retinas of the eyes 
C)  the optic nerves 
D)  the right optic tract

Question 14

Describe the cause and symptoms of paresthesia.

Accepted Answer

Paresthesia is the t

Question 15

Which of the following is the best explanation of how a stimulus' strength is transmitted to the central nervous system from sensory nerves?

Accepted Answer

A)  More than one type of receptor will respond to larger stimulus. 
B)  An action potential will increase in strength as stimulus's strength increases. 
C)  Action potential frequency is increased as stimulus' strength increases. 
D)  Action potentials as well as graded potentials are sent to the central nervous system when stimulus strength increases. 
A)  More than one type of receptor will respond to larger stimulus. 
B)  An action potential will increase in strength as stimulus's strength increases. 
C)  Action potential frequency is increased as stimulus' strength increases. 
D)  Action potentials as well as graded potentials are sent to the central nervous system when stimulus strength increases.

Question 16

Match the following:
-Central pattern generators.

Accepted Answer

A) Segmental level 
B) Projection level 
C) Precommand level 
A) Segmental level 
B) Projection level 
C) Precommand level

Question 17

Some large arteries that are proximal to the heart are sensitive to the stretch of the blood vessels.This stretch indicates the blood's pressure.Which of the following pairs of classifications below best fit the receptor type that is being described above?

Accepted Answer

A)  thermoreceptors that are also exteroceptors 
B)  thermoreceptors that are also interoceptors 
C)  mechanoreceptors that are also exteroceptors 
D)  mechanoreceptors that are also interoceptors 
A)  thermoreceptors that are also exteroceptors 
B)  thermoreceptors that are also interoceptors 
C)  mechanoreceptors that are also exteroceptors 
D)  mechanoreceptors that are also interoceptors

Question 18

Feeling a gentle caress on your arm would likely involve all of the following except ________.

Accepted Answer

A)  Meissner's corpuscles 
B)  hair follicle receptors 
C)  Lamellar corpuscles 
D)  tactile discs 
A)  Meissner's corpuscles 
B)  hair follicle receptors 
C)  Lamellar corpuscles 
D)  tactile discs

Question 19

Regeneration within the CNS ________.

Accepted Answer

A)  is prevented due to growth-inhibiting proteins of oligodendrocytes 
B)  is more successful than with the PNS 
C)  is promoted by growth inhibitors and glial scars 
D)  typically allows axonal sprouting of 20 mm 
A)  is prevented due to growth-inhibiting proteins of oligodendrocytes 
B)  is more successful than with the PNS 
C)  is promoted by growth inhibitors and glial scars 
D)  typically allows axonal sprouting of 20 mm

Question 20

A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a ________.

Accepted Answer

A)  flexor reflex 
B)  tendon reflex 
C)  crossed-extensor reflex 
D)  plantar reflex 
A)  flexor reflex 
B)  tendon reflex 
C)  crossed-extensor reflex 
D)  plantar reflex

Exam 13: The Peripheral Nervous System and Reflex Activity

Starting at the spinal cord,the subdivisions of the brachial plexus are (in order)________.

Match the following: -Tactile corpuscle.

Match the following: -Controls the outputs of the cortex and regulates motor activity.

A person picks up a heavy suitcase in order to estimate its weight and reflexively drops it.Which of the following receptors has initiated this reflex?

A doctor asks her patient to follow the motion of her finger as she moves it up and down,left and right.Which of the following cranial nerves is not being tested?

Good friends Sami and Sara were picking roses when both encountered rose thorns.Sami just laughed and continued to pick more roses.Sara,however,had tears in her eyes and complained of how much the thorn prick hurt.What accounts for the difference in their response to the same pain stimulus?

Which of the following is an incorrect statement regarding the occurrence of a sensation?

An incorrectly placed intramuscular injection can cause injury to which nerve of the lumbar plexus?

Injury to cervical vertebra C3-C4 is particularly problematic because ________.

Which of the following is the correct simple spinal reflex arc?

Match the following: -Receptors located in epithelium of the nasal cavity.

The highest level of motor control involves the basal nuclei and the ________.

A patient has lost vision on the left side of both eyes.The patient has likely suffered damage to ________.

Describe the cause and symptoms of paresthesia.

Which of the following is the best explanation of how a stimulus' strength is transmitted to the central nervous system from sensory nerves?

Match the following: -Central pattern generators.

Some large arteries that are proximal to the heart are sensitive to the stretch of the blood vessels.This stretch indicates the blood's pressure.Which of the following pairs of classifications below best fit the receptor type that is being described above?

Feeling a gentle caress on your arm would likely involve all of the following except ________.

Regeneration within the CNS ________.

A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a ________.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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