Development, Sexual Behavior,
Sexuality & Gender) Exam 5 Questions
With 100% Solved Correct Answers
T/F: Sensory perception and motion use pathways that mirror one another, sending
information in opposite directions. - Answer- True
Neurons send signal fibers to ___. - Answer- D. Contract
What is the relationship between the motor neuron axons and muscle fibers? - Answer-
Each axon can innervate one or more fibers.
The eye muscles can be moved with greater precision than the biceps muscles because
____. - Answer- Eye muscles have lower ratio of muscle fibers to axons.
Neurons and muscles connect at the ___. - Answer- Neuromuscular junction.
What type of muscle is responsible for the beating of your heart? - Answer- Cardiac
muscles.
Vigorous use of fast-twitch fibers results in fatigue because the process is ____. -
Answer- Anaerobic.
The vast majority of motor processing occurs in which part of the cortex? - Answer-
Frontal lobe.
Three different components of cortex control of motion are contained in a region called
the ____, making it a key region for the brain's control of motion. - Answer- Precentral
gyrus.
primary motor cortex - Answer- The main area for intentional movement and mental
representation of movement.
premotor cortex - Answer- Active during preparation for a movement. Integrates
target/self information within space.
supplementary motor cortex - Answer- Active for an organized, rapid sequence of
movement.
prefrontal cortex - Answer- The main area for considering possible outcomes and
decision-making.
, posterior parietal cortex - Answer- Keeps track of the position of the body relative to the
world.
Watching another person shoot a basketball is most likely to activate which kind of
neurons in the brain of the person who is watching? - Answer- Mirror neurons.
What type of muscle is responsible for the movement of your body through the
environment? - Answer- Striated muscles.
Mirror neurons likely help us do what? - Answer- Understand and imitate other people.
Exercising at a high altitude where there is less oxygen is most likely to affect ___. -
Answer- Slow-twitch fibers.
T/F: The cerebellum has few, precise functions. - Answer- False.
The cerebellum is most important for any process that requires ____. - Answer- Precise
timing.
The cerebellum is able to carry out its multiple related functions because it is organized
in ___. - Answer- Repeating units.
The basal ganglia is crucial in ___. - Answer- Self-initiated movements.
Motor learning involves ___, and especially the ___ for learning automatic responses. -
Answer- All motor areas; basal ganglia.
The part of the nervous system that is responsible for handling balance and
coordination is the: - Answer- Cerebellum.
Recent studies about voluntary movements and conscious decisions have found that
____. - Answer- Brain activity for the movement begins before we are conscious of our
decision.
In the corticospinal tracts, the lateral tract controls the ____ and the medial tract
controls the ____. - Answer- Periphery; core.
What is the relationship between the lateral tract and the medial tract of the
corticospinal pathways? - Answer- Most movement requires both, which work in a
cooperative fashion.
T/F: Most behaviors can be classified as either voluntary or involuntary. - Answer-
False.