Deck 5: Motor

Question 1

Bob went to his provider because he experienced a pain in his left leg after he exercised. The provider determined that he had a strained muscle. What type of muscle did he strain?

A)Cardiac
B)Smooth
C)Striated
D)None of the above

Answer 1

Striated

Question 2

Muscle contractions occur as a result of what type of exchange?

A)Anion
B)Cation
C)Water
D)None of the above

Answer 2

Cation

Question 3

Buber is complaining of a weakness in her arms and feeling like she just worked out. Which of the following clinical terms best describes her symptoms?

A)Myalgia
B)Myasthenia
C)Both A and B
D)Neither A nor B

Answer 3

Myasthenia

Question 4

Which autoimmune condition is characterized by the body producing autoantibodies that attack muscle receptor sites, reducing the ability to receive neurotransmitter signals to move properly, thus causing weakness?

A)Myasthenia gravis
B)Muscular dystrophy
C)Muscular degenerative disorder
D)None of the above

Question 5

The majority of muscular dystrophy syndromes occur because of a ___________.

A)Virus
B)Bacterium
C)Genetic mutation
D)Trauma

Question 6

Snow came in complaining of weakness in her legs and a tingling sensation in parts of her left arm. She had a series of blood tests done, as well as an MRI. The MRI showed a few lesions on her spinal column and brain, what might this suggest?

A)Muscular dystrophy
B)Multiple sclerosis
C)Myasthenia gravis
D)None of the above

Question 7

Lower motor neurons refer to the neurons that are in the:

A)Spinal column
B)Brain stem
C)Cerebellum
D)Both A and B

Question 8

The following condition occurs when alpha neurons die:

A)Alpha neuronal dystrophy
B)Muscular atrophy
C)Macrophagal activation
D)Muscular dystrophy

Question 9

Fasciculation refers to what visible sign that can occur when damage to an alpha neuron occurs?

A)Weakness
B)Atrophy
C)Twitch
D)Both A and B

Question 10

In higher neuronal disorders, which of the following are not usually seen?

A)Fasciculations
B)Atrophy
C)Both A and B
D)Neither A nor B

Question 11

You are caring for an adult patient who is suspected to have upper neuronal damage. You look for the Babinski sign by stroking the sole of the foot. What would you expect to see?

A)All toes curl inward
B)No response
C)Big toe extends up and the rest fan out
D)All toes curl upward

Question 12

An example of the result of upper neuronal damage in the motor cortex includes:

A)Constructional ataxia
B)Dressing ataxia
C)Verbal ataxia
D)All of the above

Question 13

Paralysis is considered to be a:

A)Lower motor neuron disorder
B)Upper motor neuron disorder
C)Both A and B
D)Neither A nor B

Question 14

What symptom(s) is/are a result of basal ganglia damage?

A)Dyskinesias
B)Akinesias
C)Both A and B
D)Neither A nor B

Question 15

Parkinson's disease is considered what type of disorder?

A)Basal ganglia disorder
B)Alpha neuronal disorder
C)Paraplegic disorder
D)Spinal atrophic disorder

Question 16

Huntington's disease is caused by a:

A)Virus
B)Bacteria
C)Trauma
D)Genetic mutation

Question 17

Which of the following properly describes the pupillary light reflex?

A)Pupils constrict on direct light exposure
B)Pupils dilate on direct light exposure
C)Pupils constrict in darkness
D)Pupils dilate in darkness

Question 18

How many muscles are involved in each eye movement?

A)3
B)6
C)9
D)12

Question 19

The motor control system of the human body is considered:

A)Functionally segregated
B)Hierarchically organized
C)Non-hierarchically developed
D)Both A and B

Question 20

In order to function in the environment, the body makes changes to its center of mass. What are these changes referred to as?

A)Chiropractic adjustments
B)Postural adjustments
C)Spinal adjustments
D)Sensory-motor adjustments

Question 21

Which of the following tests are considered appropriate for assessing motor function after a stroke?

A)Wolf motor function test
B)Fugl-Meyer motor assessment test
C)Both A and B
D)Neither A nor B

Question 22

John is a patient in the hospital who has had a stroke. He has no motor function on the right side of his body but has motor function on the left side. This is known as:

A)Hemiparesis
B)Semiparesis
C)Functional paresis
D)None of the above

Question 23

How many motor neurons innervate a muscle fiber?

A)1
B)2
C)3
D)4

Question 24

Which of the following nerve fibers control the correct length of a muscle during motor function?

A)Nuclear chain fiber
B)Static nuclear bag fiber
C)Dynamic nuclear bag fiber
D)Both A and B

Question 25

Which type of motor neuron helps to keep muscles taut so they can be functional at variable lengths?

A)Alpha
B)Gamma
C)Both A and B
D)Neither A nor B