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3 years ago

What data will you collect each time you add each serum to a patient’s blood?

1 answer:

3 0

The data you will collect is the blood phenotype.By adding serums that each contains a particular antibody such as anti-A, anti-B, or anti-D ... to see if there's an agglutination with erythrocytes' antigen and the antibodies, proving the presence of the appropriate antigen in the blood.

This will help to confirm the blood grouping if this technique is done in parallel with the plasma test ( of Simonin-Michon).

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What are the precautions that should be token when using a photometer? please help me

Maksim231197 [3]

Answer:

PRECAUTIONS FOR USING A SPECTROPHOTOMETER :

1 . By allowing the lamps and electronics to warm up

2.By cleaning up any spills inside the cuvette compartment

3.By carrying out the set-up procedure in the correct order

4.By ensuring that %T or transmission is used as appropriate

5.By closing the door to the cuvette compartment before reading the result

6.By performing calibration checks after set up

7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring

8.By using the correct wavelength

PRECAUTIONS FOR USING A FRAME PHOTOMETER:

1. Do not move or Carry the unit when in use or connected to the mains electricity supply

2. There should be sufficient time for the chimney to cool before handling

3. Do not use acetylene with the flame photometer

4. Over adjustment of the fuel valve will cause excess flame

Do not position the product so that it is difficult to disconnect from the mains supply

5. Do not cover the chimney whilst in use.

6. Do not block or obstruct ventilation slots /airways

7. Do not operate or handle any part of the product with wet hands

I HOPE THIS WILL HELP AND IF NOT LET ME KNOW

8 0

3 years ago

Estimate the length of time that it took for CO 2 to from 200 300 ppm

xz_007 [3.2K]

answer:

it took 17,000 years for CO2 to go from 200 to 300 ppm.

<em>-- please mark the brainliest and click the thanks button if correct :)</em>

7 0

3 years ago

If a person cuts his finger eventually the cut will heal and the skin will be whole again how does the gap created by the cut ge

Greeley [361]

Answer:

Cells on either side of the cut pull toward each other until they close the gap.

~Hope this helps!~

8 0

3 years ago

PLEASE HELP ME I DON’T UNDERSTAND !

nlexa [21]

Answer:no

Explanation:

5 0

3 years ago

Explain how goal of today’s classification system differs from earlier systems

gladu [14]

Classification systems previously were having very different goals than modern classification systems. If we look at old eras, scientists like Aristotle and Theophrastus tried to classify organisms on the basis of apparent characteristics, habitat and simple other traits.

Old classification systems had alot of errors and flaws. For example they classified fish and whale in one group because they lived in water, now we know fish is amphibian while whale is mammal.

So we can say that the goal o earlier classification system were just to make groups of organisms on the basis of External features.

Goal of modern classification system:

Modern classification approach was started by Linnaeus. It focuses more on biological delimitation and evolutionary histories than mere external characteristics. It organizes organisms in groups in such a way that grouping reflects their evolutionary relatedness. It is not just specie level but also focuses on sub-specie and population level classification.

Thus modern goal is better in many terms and is more reliable than old classification goals.

Hope it helps!

3 0

3 years ago