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Sci-Quest Health and Medical Sciences
Transcript of Sci-Quest Health and Medical Sciences
What are Health Science Careers?
Jobs in the health science career cluster involve planning, managing, and providing diagnostic, therapeutic, supportive, and information and research services in health care.
Hands on: Figure out what Blood Type the Baby Has
Hands-on: Blood Typing
STEM Career Series
Health Science Careers
Top 10 Health Science Salaries without a pHD
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Salary Range: $44,550- $300,000
Years in School: 4-12
Health Science Career Outlook
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What majors work in Health Sciences?
Blood types refer to the type of antigen that is present on the surface of the red blood cells.
We also use (+) and (-) to indicate whether the Rh factor is present or absent.
A person with a B+ blood type has B antigens on their red blood cells and the Rh factor present.
You will need:
-1 blood typing slide
-Blood Sample 1
-Set of serum bottles
Hands on: How do you find out a person's blood type?
Place a drop of blood from Sample 1 into each of the three wells on the slide.
Place one drop of the Anti-A serum (blue) into the well marked A
Place one drop of the Anti-B serum (yellow) into the well marked B
Place one drop of the Anti-D serum (clear) into the well marked Rh
Use a toothpick to mix the liquids in well A.
Use the other end of the toothpick to mix the liquids in well B.
Use a second toothpick to mix the liquids in well Rh.
A positive result is shown by clumping.
Because there was clumping in well B and well Rh, we know that Sample 1 has the blood type of B+
Blood types also tell us what types of antibodies are present in the blood.
Antigens stimulate the body to produce an immune response including antibodies. Antibodies are proteins that travel in the blood and help our body destroy viruses or bacteria that may have infected our bodies.
We will use blood typing to determine if these two babies were switched at birth.
Your blood type is determined by your parents. You receive one blood type gene from your mother and one from your father.
The blood type gene has three different versions or alleles:
IA results in the A antigen on the red blood cells
IB results in the B antigen on the red blood cells
i results in no antigens on the red blood cells
Everyone has two copies of the gene:
IAIA and IAi both resulting in Type A blood
IBIB and IBi both resulting in Type B blood
IAIB resulting in Type AB blood
ii resulting in Type O blood
After all, Michelle looks nothing like her older sister.
Two couples had baby on the same day at the same hospital. Earnest and Denise took home baby Tonja. Michael and Danielle took home baby Michelle but they are unsure if they have the right baby.
Michael has Type AB blood (IAIB). Danielle has Type B blood (IBIB or IBIi). What possible blood types could their daughter have?
We will work in pairs to solve this medical mystery.
One person in the pair will test Tonja’s blood.
The other person will test Michelle’s blood.
Place a drop of blood into each of the three wells.
Place a drop of Anti-A in well A, Anti-B in well B, and Anti-D in the Rh well.
Stir with a toothpick, USING A DIFFERENT END EACH TIME.
Coagulation or clumping is a positive result.
Use the same method we used for Sample 1:
Michael and Danielle have the correct baby, Michelle.