Question 1

Relaxation of skeletal muscle results from ________ input by the somatic motor neuron.

Accepted Answer

the absenc

Question 2

Match the structure to its description.
-maintain muscle tone at rest through tonic activity

Accepted Answer

A) muscle spindles 
B) Golgi tendon organs 
C) both 
A) muscle spindles 
B) Golgi tendon organs 
C) both

Question 3

The structure whose abnormal function is associated with Parkinson's disease is the

Accepted Answer

A)  spinal cord. 
B)  basal ganglia. 
C)  cerebellum. 
D)  primary motor cortex. 
E)  skeletal muscle. 
A)  spinal cord. 
B)  basal ganglia. 
C)  cerebellum. 
D)  primary motor cortex. 
E)  skeletal muscle.

Question 4

Match the structure to its description.
-eventually synapses with alpha motor neurons that innervate extrafusal muscle fibers

Accepted Answer

A) muscle spindles 
B) Golgi tendon organs 
C) both 
A) muscle spindles 
B) Golgi tendon organs 
C) both

Question 5

Which class of movement can be considered a combination of the other two?

Accepted Answer

A)  reflex 
B)  voluntary 
C)  rhythmic 
A)  reflex 
B)  voluntary 
C)  rhythmic

Question 6

________ reflexes involve skeletal muscles.

Accepted Answer

The answer of ________ reflexes involve skeletal muscles....

Question 7

Match the type of reflex to its description.
-several neurons involved in a pathway; can be complex

Accepted Answer

A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic 
A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic

Question 8

Make a map of the following terms: alpha motor neurons, CNS, contractile fibers, extrafusual muscle fibers, Golgi tendon organs, integrating center, joint receptors, muscle spindles, proprioreceptors, sensory neurons, sensory receptors and somatic motor neurons.

Accepted Answer

Skeletal muscle reflexes have the follow

Question 9

The motor neurons associated with intrafusal muscle fibers are referred to as ________ motor neurons.

Accepted Answer

The answer of The motor neurons associated with intrafusal muscle...

Question 10

Match the structure to its description.
-have gamma motor neurons that innervate internal fibers

Accepted Answer

A) muscle spindles 
B) Golgi tendon organs 
C) both 
A) muscle spindles 
B) Golgi tendon organs 
C) both

Question 11

Identify the False statement.

Accepted Answer

A)  Adipose tissue is controlled by autonomic efferents. 
B)  All reflexes require input from the brain. 
C)  Some reflexes are genetically determined. 
D)  Muscle spindles are stretch receptors. 
E)  Proprioceptors detect limb position and movement. 
A)  Adipose tissue is controlled by autonomic efferents. 
B)  All reflexes require input from the brain. 
C)  Some reflexes are genetically determined. 
D)  Muscle spindles are stretch receptors. 
E)  Proprioceptors detect limb position and movement.

Question 12

Interneurons of the corticospinal tract synapse onto

Accepted Answer

A)  visceral efferents. 
B)  somatic efferents. 
C)  interneurons of central pattern generators. 
A)  visceral efferents. 
B)  somatic efferents. 
C)  interneurons of central pattern generators.

Question 13

Compare and contrast the structures and functions of the Golgi tendon organ and the muscle spindle.

Accepted Answer

See Figure

Question 14

Draw two graphs that represent the alpha-gamma coactivation:
1.muscle length as a function of time
2.action potentials of spindle sensory neuron as a function of time

Accepted Answer

See Figure

Question 15

Muscle spindles are ________ receptors and cause reflex ________, whereas Golgi tendon organs respond primarily to ________ and cause a ________ reflex.

Accepted Answer

stretch, contraction, tension,

Question 16

Match the type of reflex to its description.
-involves skeletal muscles

Accepted Answer

A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic 
A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic

Question 17

Match the structure to its description.
-have afferent neurons that bring information to the CNS

Accepted Answer

A) muscle spindles 
B) Golgi tendon organs 
C) both 
A) muscle spindles 
B) Golgi tendon organs 
C) both

Question 18

When there is a resistance to the movement produced by a given limb muscle,

Accepted Answer

A)  gamma motor neurons are inhibited by higher brain centers. 
B)  there is a decrease in the amount of force generated by extrafusal muscle fibers. 
C)  the muscle involved in the movement immediately shortens when stimulated. 
D)  intrafusal fibers receive fewer action potentials from the gamma motor neurons. 
E)  muscle tone is increased and more motor units are recruited to the contraction. 
A)  gamma motor neurons are inhibited by higher brain centers. 
B)  there is a decrease in the amount of force generated by extrafusal muscle fibers. 
C)  the muscle involved in the movement immediately shortens when stimulated. 
D)  intrafusal fibers receive fewer action potentials from the gamma motor neurons. 
E)  muscle tone is increased and more motor units are recruited to the contraction.

Question 19

Match the type of reflex to its description.
-integrated in the spinal cord, often modulated by the brain

Accepted Answer

A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic 
A) somatic 
B) autonomic 
C) spinal 
D) cranial 
E) innate
F)acquired
G)polysynaptic

Question 20

Which reflex is NOT controlled by the brain stem?

Accepted Answer

A)  urination 
B)  vomiting 
C)  sneezing 
D)  swallowing 
E)  salivating 
A)  urination 
B)  vomiting 
C)  sneezing 
D)  swallowing 
E)  salivating

Exam 13: Integrative Physiology I: Control of Body Movement

Relaxation of skeletal muscle results from ________ input by the somatic motor neuron.

Match the structure to its description. -maintain muscle tone at rest through tonic activity

The structure whose abnormal function is associated with Parkinson's disease is the

Match the structure to its description. -eventually synapses with alpha motor neurons that innervate extrafusal muscle fibers

Which class of movement can be considered a combination of the other two?

________ reflexes involve skeletal muscles.

Match the type of reflex to its description. -several neurons involved in a pathway; can be complex

Make a map of the following terms: alpha motor neurons, CNS, contractile fibers, extrafusual muscle fibers, Golgi tendon organs, integrating center, joint receptors, muscle spindles, proprioreceptors, sensory neurons, sensory receptors and somatic motor neurons.

The motor neurons associated with intrafusal muscle fibers are referred to as ________ motor neurons.

Match the structure to its description. -have gamma motor neurons that innervate internal fibers

Identify the False statement.

Interneurons of the corticospinal tract synapse onto

Compare and contrast the structures and functions of the Golgi tendon organ and the muscle spindle.

Draw two graphs that represent the alpha-gamma coactivation: 1.muscle length as a function of time 2.action potentials of spindle sensory neuron as a function of time

Muscle spindles are ________ receptors and cause reflex ________, whereas Golgi tendon organs respond primarily to ________ and cause a ________ reflex.

Match the type of reflex to its description. -involves skeletal muscles

Match the structure to its description. -have afferent neurons that bring information to the CNS

When there is a resistance to the movement produced by a given limb muscle,

Match the type of reflex to its description. -integrated in the spinal cord, often modulated by the brain

Which reflex is NOT controlled by the brain stem?

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters

Muscle spindles are receptors and cause reflex , whereas Golgi tendon organs respond primarily to and cause a reflex.