KINES 350 FINAL EXAM QUESTIONS AND
100% CORRECT ANSWERS
\.Choose all that apply: Based on the principle of orderly recruitment, what motor units are
being activated when someone does a 1 repetition squat at maximal intensity?
A) Type I
B) Type IIa
C) Type IIx - ANSWERS✔-All
\.Match the characteristic of the motor unit with the motor unit type.
Type I motor unit
Type IIa motor unit
Type IIx motor unit
Moderate threshold for activation
High force production
Asynchronous pattern of firing - ANSWERS✔-Type 1 motor unit- Asynchronous pattern of firing
Type IIa motor unit- moderate threshold for activation
Type IIx motor unit- High force production
\.Put in order the steps of the reflex response that occurs when someone touches a hot object
Step One
Step Two
, Step Three
Step Four
-Sensory input from peripheral receptors are transmitted by afferent neurons to the spinal cord
-The activated efferent neurons motor fibers elicit an appropriate muscular response to
immediately jerk the hand away
-Touch hot object
-The afferent neurons interconnect with interneurons that relay information to efferent neurons
- ANSWERS✔-Step one- Touch hot object
Step Two- Sensory input from peripheral receptors are transmitted by afferent neurons to the
spinal cord
Step Three- The afferent neurons interconnect with interneurons that relay information to
efferent neurons
Step Four- The activated efferent neurons motor fibers elicit an appropriate muscular response
to immediately jerk the hand away
\._______________ detect tension created in the muscle when it shortens and
_______________ detects changes in the length of the muscle fiber. - ANSWERS✔-1. Golgi
Tendon Organs
2. Muscle Spindles
\.Which of the following is necessary for an action potential to move down an axon and transmit
a neural signal?
A) Myelin Sheath
B) Nodes of Ranvier
C) Schwann Cells
D) All of the above - ANSWERS✔-D) All of the above
100% CORRECT ANSWERS
\.Choose all that apply: Based on the principle of orderly recruitment, what motor units are
being activated when someone does a 1 repetition squat at maximal intensity?
A) Type I
B) Type IIa
C) Type IIx - ANSWERS✔-All
\.Match the characteristic of the motor unit with the motor unit type.
Type I motor unit
Type IIa motor unit
Type IIx motor unit
Moderate threshold for activation
High force production
Asynchronous pattern of firing - ANSWERS✔-Type 1 motor unit- Asynchronous pattern of firing
Type IIa motor unit- moderate threshold for activation
Type IIx motor unit- High force production
\.Put in order the steps of the reflex response that occurs when someone touches a hot object
Step One
Step Two
, Step Three
Step Four
-Sensory input from peripheral receptors are transmitted by afferent neurons to the spinal cord
-The activated efferent neurons motor fibers elicit an appropriate muscular response to
immediately jerk the hand away
-Touch hot object
-The afferent neurons interconnect with interneurons that relay information to efferent neurons
- ANSWERS✔-Step one- Touch hot object
Step Two- Sensory input from peripheral receptors are transmitted by afferent neurons to the
spinal cord
Step Three- The afferent neurons interconnect with interneurons that relay information to
efferent neurons
Step Four- The activated efferent neurons motor fibers elicit an appropriate muscular response
to immediately jerk the hand away
\._______________ detect tension created in the muscle when it shortens and
_______________ detects changes in the length of the muscle fiber. - ANSWERS✔-1. Golgi
Tendon Organs
2. Muscle Spindles
\.Which of the following is necessary for an action potential to move down an axon and transmit
a neural signal?
A) Myelin Sheath
B) Nodes of Ranvier
C) Schwann Cells
D) All of the above - ANSWERS✔-D) All of the above
