BIOS-252 Week 4 Midterm: Review & Study Guide
- Question: T Tubules are extensions of the _____ in skeletal muscle?
- Question: CN III innervates with of of the following muscle?
- Question: The brain and spinal chord are part of the ______ nervous system?
- Question: A wheelbarrow is an example of a _______ class lever?
- Question: The muscle contraction pulling on its insertion point, corresponds to what part of the lever system?
- Question: A synovial joint corresponds to what part of the lever stem?
- Question: When would voltage-gated Sodium channels open rapidly?
- Question: Which of the following muscle closes the lips?
- Question: Synergists prevent unwanted movements during an action, or aid the agonist during the movement.
- Question: EPSP stands for _________
- Question: EPSPs occur when ______
- Question: The Platysma muscle is a muscle of mastication
- Question: The type of muscle contraction where the muscle contracts but exhibits no change in length is called
- Question: Calcium is released from the SR when an action potential opens gated ion channels located in the
- Question: The neurotransmitter found at synapses between the motor neurons and human skeletal muscles, or at the neuromuscular junction is ________
- Question: The neurotransmitters that function primarily in the CNS are dopamine and serotonin
- Question: A propagated change in the membrane potential of part of the cell membrane is an action potential
- Question: A chemical synapse is most likely to dominate which system?
BIOS 252 Week 4 Midterm: Essay Questions
Chapter 10 & 11
- Question: Identify and describe intracellular structures (organelles, myofilaments, ect.) of a muscle cell. Contrast skeletal, cardiac and smooth.
- Question: Describe all phases of
- Question: Outline the sequence of physiological events of a twitch starting at the motor neurons and ending with movement.
- Question: Describe a neuromuscular junction and identify all major components.
- Question: Describe the connective tissue “packaging” of muscle.
- Question: Describe the major functions of the three types of muscles and the differences between them.
- Question: Describe how skeletal muscles acting across synovial joints function as a lever system. Discriminate between 1st class, 2nd class and 3rd class levers in the human body(provide an example of each)
- Question: Differentiate between isotonic, isometric, eccentric and concentric contractions.
- Question: Identify the muscles involved in relaxed and forced breathing and describe their role.
Chapter 12
- Question: Identify the anatomy of a neuron
- Question: Describe the functional and structural classification of neurons.
- Question: Identify and describe the major divisions of the nervous system.
- Question: List and describe the function/location of all neuroglia cells
- Question: Explain how excitatory and inhibitory neurotransmitters work on the postsynaptic membrane and give one example of each.
- Question: Describe all steps of an action potential, including initiation by local potential.
- Question: Understand the mechanism of IPSPs and EPSPs.
Chapter 13
- Question: Describe the basic anatomy of a spinal cord section, indicating the functional significance of each area/major tract.
- Question: Explain the similarities and differences of a spinal withdrawal reflex and a crossed extensor reflex.
