Old stuff
1. Draw and correctly label a graph to illustrate the principle of maintenance.
2. Who would have the higher blood lactate (all other things being equal):
a. John who has more 2-3 DPG or
b. Jay who doesn’t?
Why? (A logical explanation must be provided for any marks)
2. What does M type LDH do?
Nervous system
1. What part of the neuron is damaged with multiple sclerosis?
2. The resting membrane potential in neurons is generally in what range?
3. Explain what is happening in regards to sodium and potassium in a neuron at (see figure 7.10)
a. At rest:
b. During depolarization:
c. During repolarization:.
Skeletal muscle
1. Arrange from outer layer to innermost: Fascia, epimysium, perimysium, endomysium, muscle fiber, myofibrils, filaments. …show more content…
Fill in the blanks to describe the steps of muscle contraction:
a. Nerve impulse travels down the _________ and reaches _________ reticulum and _____ is released
b. Ca++ binds to the protein _______
c. Ca++ binding to ________ cases a position change in ___________ away from the “_________” on the actin molecule and permits a strong binding state between _____________________ .
d. Muscular contraction occurs by multiple cycles of cross-bridge activity. Shortening will continue as long as _______ is available and ______ is free to bind to troponin.
3. Define isometric, concentric and eccentric contractions.
Circulatory