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Class Notes for Physiology at University of Alberta

Physiology
PHYSL210B
Jamie Mitchell
Physiology
PHYSL210B
Jamie Mitchell
Physiology
PHYSL210B
Jamie Mitchell
Physiology
PHYSL210B
Jamie Mitchell
PHYSL210B Lecture Notes - Lecture 3: Alveolar Pressure, Tidal Volume, Lung Volumes
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find more resources at oneclass.com Lecture 3: Dynamics of Ventilation Lung volumes can be measured using spirometry. Lung volumes - Tidal volume (Vt): normal volume of air inspired and expired b...

Physiology
PHYSL210B
Jamie Mitchell
PHYSL210B Lecture 2: Ventilation
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find more resources at oneclass.com Lecture 2: Ventilation How do we create airflow? Static condition in a normal respiratory system no airflow Dynamic condition airflow is present Negative relative...

Physiology
PHYSL210B
Jamie Mitchell
PHYSL210B Lecture 1: Structure and Function of Lungs
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Lecture 1: Structure and Function of the Lung Ask Professor about problems before and after class Midterm cut off- Renal Pay attention to slides professor spends time in We will only study external respiration in this chap...

Physiology
PHYSL210B
Jamie Mitchell
PHYSL210A Lecture 1: Autonomic nervous system: Sympathetic Nervous System
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Autonomic nervous system- Sympathetic nervous system Autonomic involuntary functions Eg. After you eat you digest your food, you dont have to consciously think about secreting enzymes and digesting your food. But when yo...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 6: Muscle
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Muscle fibre - Many myofibrils - Isotropic (I) band thin actin filaments fixed to Z line at the center of the I band - Anisotropic (A) band thick myosin filaments fixed to a centrally connective ...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 5: Synapse
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Synapse - Junction between neurons - Presynaptic site action potential causes the release of neurotransmitters into the synaptic cleft - Neurotransmitter attaches to receptors in the po...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 4: Action potential
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Action potential - All or none - Reference potential = 0 V extracellular fluid - In glial cells Vm (-100) isvery close to equilibrium potential of K ion as K leak channels are mostly the...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 3: Ohms law and Nernst equation
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Ohms Law - I= V/R - The inverse value of resistance (1/R) is called conductance. It is measured in siemens - Conductance is proportional to permeability. Increase in conductance (decrease in R) ...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 2: Components of the nervous system
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CNS neurone morphology - Cortical pyramidal neurone: pyramid shaped soma surrounded by an array of basal dendrites - Apical dendrites: located distant from the soma, close to the cortex - ...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture 1: The nervous system
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A simple reflex 1. A pain stimulus is sensed by the receptors in the foot skin when a person steps on a nail 2. The receptor potential is large enough to start an action potential in an afferent fibr...

Physiology
PHYSL210A
Dr Jamie Mitchell
PHYSL210A Lecture Notes - Lecture 3: Electrochemical Gradient, Facilitated Diffusion, Hydrolysis
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Lecture 3 Passive Diffusion Dependent on concentration gradient Mediated by carriers, channels and pores Channels have brief moments when they are open on other sides Gated. Voltage gated ions, Ligand gated hormone, mec...

Physiology
PHYSL210A
Dr Jamie Mitchell

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