BIOL 1080 Study Guide - Final Guide: S Band

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ambermallard485

10 Jan 2012

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Mhc: the helper t-cell than can activate na ve b cell response, or na ve cytotoxic t cell response; they can be both activated at same time. valves (prevent blood flowing backwards: skeletal muscles relax and blood fills the valves and closes them, muscle contraction squeezes the vein pushing blood through the open valve towards the heart, varicose veins. neural conductions: gap junctions . are very fast and contract as a unit. aortic valve: between left ventricle and aorta. mitral valve: between right atria and ventricle y artificial heart valves: issues. resistance to flow (backflow: biological values. Electric signal is propagated by: y nodes (sa and av node) y nerves y. Miscommunications y abnormal sa node firing (too fast) y blocks can slow down or prevent signaling form atria to ventricles. Ventricles now contract independently y most serious is are fibrillations, when cells depolarize independently.

Related Questions

1. Hemoglobin is the molecule that floats around in blood andcarries oxygen molecules to the tissues in your body.

True or false: Oxygen binds to the iron in the hemoglobinmolecule.

Select one:

True

False

2. Hemolytic disease of the newborn can happen during a woman'sfirst pregnancy where the mother is Rh- and the fetus is Rh+.

Select one:

True

False

3. Leukemia is cancer of the white blood cell. It is the resultof an abnormal white blood cell multiplying uncontrollably. Why isit so letal? Because it takes over the red bone marrow and doesn'tallow normal red blood cells, white blood cells and platelets toform.

True or false:

Without enough red blood cells, you can't bring oxygen to thetissues in your body.

Without enough platelets, you won't be able to form clots, forinstance, to stop you from bleeding when you get a cut.

Without enough normal white blood cells, you cannot fightinfections properly.

Select one:

True

False

4. The neutrophil is the first white blood cell to arrive at thesite of an infection.

Select one:

True

False

5. Blood clots serve to stop a person from bleeding, forinstance, when they get a cut (a blood vessel is broken open). Whena blood clot forms in an unbroken blood vessel, it is called anembolus; when the embolus breaks free from the wall of that bloodvessel, it is called a thrombus.

Select one:

True

False

amethystdinosaur466

Hey,

I am really trying to find scholarly articles about how Leukamiaaffects these types of cells:

1. Platelets

2. Red blood cells

3. White blood cells

All these of "how do they get affected", or any scholary websitewhere i can find Three proffessional scholarly journals??

im giving out the highest points for this!!

yellowjellyfish282

Mast cells release _____
basophils into the blood stream.
pyrogens into the blood stream.
platelets into the blood stream.
IFNs into the blood stream.
histamine into the blood stream

___________________________________________________

A differential white blood cell count can show:

macrophage and diapedesis.

leukocyte proportions.

microglia proportions.

lysosome content.

acid base relationships.

_______________

A response to inflammatory mediators could be :

coughing.

forcible expulsion.

cold feet.

cold digits.

dilation of blood vessels.

maroonguinea-pig686

BIOL 1080 Study Guide - Final Guide: S Band

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