BIOS 1710 SI Week 2 Session 1

Tuesday 7:05-8:05 Morton 326

Thursday 7:05-8:05 Morton 218

  1. What is the cerebrum connected by?
  1. How many lobes does the cerebrum have? Please describe them.
  1. What is the auditory cortex organized by?
  1. What is the area within the left temporal lobe called in while the understanding of language is thought to be processed?
  1. Where is the process of speaking thought to come from?
  1. Where does spatial visualization and analysis come from?
  1. How does the hippocampus change short term memories into long term memories?
  1. What do learning and memory involve? Long term memory?
  1. What is synaptic plasticity?
  1. Describe the organization of muscle from the smallest component to the largest.
  1. Draw a sarcomere and describe what it does.
  1. Describe the cross bridge cycle.
  1. Skeletal muscles are stimulated by the ______while smooth and cardiac muscles are stimulated by ______.
  1. Where do nerves and skeletal muscles meet?
  1. List the steps in excitation contraction coupling.
  1. Draw the diagram of a thin filament.
  1. How does calcium get back into the sarcoplasmic reticulum to end the action potential in muscles?
  1. A patient is hospitalized with muscle spasms caused by failure of back muscles to relax after contraction. Which diagnosis could explain the complications?
  2. Troponin is not responding to calcium ions in muscle tissue
  3. The patient is overproducing tropomyosin and troponin
  4. Levels of acetylcholine at the synaptic cleft of the muscle cell are too low
  5. Calcium uptake is blocked at the sarcoplasmic reticulum
  1. What is smooth muscle missing?
  1. What is the smooth muscle activated by?
  1. What happens once the smooth muscle is activated? How is it deactivated?
  1. Maximum isometric force occurs:
  1. How do muscles create movement?
  1. Give an example on an antagonist pair in the human body and explain which is a flexor and which is an extensor muscle.
  1. What does the tension a muscle generates depend on?
  1. How does one age a tetanus?
  1. What does the length of a tetanus depend on?
  1. What is a motor unit?
  1. Which of the following statements is true?
  2. Long sarcomeres can have a greater number of cross-bridge attachments than intermediate or short length sarcomeres.
  3. A muscle’s force generating ability decreases as contraction velocity increases
  4. With flexion, bones get farther apart
  5. Long motor units allow for finely controlled units
  1. Compare and contrast slow and fast twitch muscle fibers. What type of athlete would have more fast switch skeletal muscle fibers? More slow twitch? What about animals?
  1. What do strength and endurance depend on? What should you do if you want to increase strength? Endurance?
  1. Which of the following statements about fast twitch muscle and slow twitch muscle is true?
  2. Fast twitch muscles have more mitochondria than slow twitch
  3. A higher percentage of slow twitch muscle is more likely to be found in weight lifters
  4. The percentage of fast vs slow twitch muscle you have is largely determined by genetics
  5. A and B are both true
  6. A and C are both true
  7. All of the above are true
  1. What is the function of a skeleton?
  1. Describe the three types of skeletons.
  1. What are the advantages and disadvantages of an exoskeleton?