Which of these lead to sarcomere shortening? Select ALL that apply:

Acetylcholine is removed from the synaptic cleft by enzymatic degradation.

Action potentials are moving toward the CNS in sensory nerves

A patient has difficulty shrugging their shoulders and turning their head against resistance.  Which cranial nerve is most likely damaged?

Which of these would conduct action potentials faster?

Neurons in your brain have been chronically exposed to elevated dopamine levels.  They are likely to become less sensitive to dopamine because of this.

Which is the best definition of reuptake:

A nerve with both sensory and motor fibers is classified as:

Briefly describe what happens to each of these to cause muscle relaxation: 1. Acetylcholine 2. Action potential 3. Calcium 4. Troponin 5. Tropomyosin 6. Cross-bridges

Questions 16 & 17 go together: Twenty-month-old Jude tends to startle easily and cry loudly and often. He cannot seem to calm himself down once he’s distressed. His parents often need to soothe and distract Jude to help lower his arousal levels. How would Chess and Thomas classify Jude’s temperament?