Jeopardy questions (2nd half)
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?
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:.
1. Arrange from outer layer to innermost: Fascia, epimysium, perimysium, endomysium, muscle fiber, myofibrils, filaments. 2. 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.
1. How would you estimate mean arterial pressure at rest?
2. Why does hypertension contribute to cardiovascular disease? (two big reasons) 3. Draw and label a normal ECG and note when the atria and ventricles are contracting (figure 9.11)
1. What is the conducting zone and what purpose does it serve? Trachea, bronchi, bronchioles. 2. What would be the ideal ventilation/perfusion ratio and why is this usually not met in the apex of the lung? 3. Draw and label an oxygen-hemoglobin dissociation curve. (Fig...
Please join StudyMode to read the full document