Exam 8: Movement

 Genetics may predispose people to develop _________ Parkinson's disease.

 Cases of polio may be found in

 What happens to the rate of firing in motor neurons as we age?

 The basal ganglia inhibit the activity of the thalamus.

  Kadeshia has been studying for a quiz and knows that the structure labeled #2 in the picture is the

 Observations of the muscle fibers of people who have experienced spinal cord damage suggest that neural input is especially important to the maintenance of

 Nasir is looking at a picture of a human motor homunculus in his textbook. Which body part would have the largest representation in the primary motor cortex?

 How does recruitment work and why does our body do this?

 A motor unit is made up of one alpha neuron and all of the muscle fibers that it innervates.

 Drinking coffee is correlated with lower rates of

 Humberto runs marathons. While running, he relies on his ______ muscles that are ______.

 A person with fewer than 35 repeats of a specific gene will probably remain healthy; those with 39 or more repeats of that same gene will develop ________.

 Myasthenia gravis

 Rey was being evaluated for a possible spinal cord injury during a college football game. The team physician stroked the sole of Rey's foot, and his toes curled. This observation suggests that

 One of the actions of the basal ganglia is the

 Slow-twitch fibers and fast-twitch fibers are both a type of

 If Alishia wanted to bend a joint, she would need

 When the muscle cannot contract any farther, it has reached a state known as

 Which of the following areas of the spinal cord show enlargement of the ventral horns due to large numbers of motor neurons?

 Compared to when he was a young man, Chris's muscles ______ now that he has grown old.