OC17242

It goes: the pressure gradient against a conc"n gradient, gas in solution, total volume of gas in blood depends on its solubility in accordance with. 1

The first air expired is the last air in which is pure o2 w/ no nitrogen: nitrogen conc"n begins to rise thereafter, reflecting beginning of expiration

Introduction: primary fxn of pulmonary system, body enhances rate gas exchange, study table of abbreviations, gas exchange (o2 uptake and co2 removal @

Lung compliance and stability: compliance of the lung, degree to which lung expands/fills for change in transpulmonary pressure (pressure betw pleural

Alveolar ventilation-perfusion relations: regional lung ventilation differences, can use radioactive xenon to detect how much ventilation is received b

If expired pco2 is low due to anatomical dead space, and physiological dead space, then vd/vt ratio increases: vd/vt: 0. 25 to 0. 35 in young adults in

If alveolar o2 decr 30% (pao2 < 70mm hg), adjacent vessels constrict, increasing resistance and reducing blood flow. (blood flow ctrl due to po2 of alv

Arterioles and control of resistance: local factors, endothelial cells. Edrf = no: endothelium sm cgmp produces pkg, pkg = vasodilation, phosphorylates

Kin 305 tutorial #1 questions: why does a membrane potential exists in the cardiac myocytes. Action potentials require the membrane potential in order

Explain their physiological significance: physiological significance: ca++ needs to be brought into the cell to activate cicr from sr that will increas

Inspiration causes increased air flow, and blood flow into pulmonary vessels. This stretches pulmonary stretch receptors, inducing the hering- The refl

I"m at the mouth where there are others just like me. 21% of the air is filled with other oxygen molecules. I first travel through the conducting zone

With respect to dead space what is the difference between fowler"s method and the bohr equation. Fowler"s method: measuring nitrogen increase when brea

There is high pressure created in heart chambers during contraction, and lower pressure in blood vessels. Lowest pressure is at the vena cava just befo

Chapter 19 (multiple choice and essay type: (a) draw and explain the structure of a typical nephron all the way to the collecting ducts. [20 minutes, 1

Practice questions on chapter 13 [there is some repetition of questions: describe the structure of a gto. Draw and describe reflex connections of 1b af

Somatic output neurons: are called motoneurons, motoneurons located in ventral horn of the spinal cord, no cell bodies outside cns, target is skeletal

Practice questions chapter 7: briefly describe the steps in the synthesis, storage and release of a peptide hormone. [ ~ a page, 15 minutes: synthesis,

Draw and label gross structure of the central nervous system. [10 minutes: draw and label the three separate sections of the spinal grey matter and spi

Take an unmyelinated neuron, give all details to describe generation and conduction of an action potential from the trigger zone down to the terminals.

Draw and label the main (gross) structures of the central nervous system. In a few sentences describe what you have drawn. The central nervous system c

[total one page with a figure; 15 minutes] The body maintains its 37 deg c temperature by countering the loss of heat instigated by the cold water. Ner

Ways to improve: unconditional acceptance, conditional acceptance (reinforcing a good behavior, expectancy theory (week 3) (desirability) Rotter behavi

Health beliefs are characterized by an individual"s perception that he or she is susceptible to a disease and, if so, that action can be taken to preve

It will induce a great insulin release that will continue to invoke glucose storage as glycogen even when the race starts, lowering blood glucose level

What is eustress: positive effects of stress. You grow stronger, and become less vulnerable to illness or injury: explain why stress is essential to yo