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tankabanditka [31]
3 years ago
12

David comes into the emergency room late at night with a cut that will not stop bleeding. His mother, Rose, is worried that he h

as a bleeding disorder, just like his grandfather. The lab is closed, so the doctor cannot order a specialized coagulation test. However, the hospital does have a sample of blood from a classic hemophiliac. What is the simplest test the doctor could perform using David's blood to determine if it is missing factor VIII activity
Biology
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

The doctor can mix a blood sample from the hemophiliac patient with David's blood.

Explanation:

This test is called Mixture Test and is performed quickly when there is no time to do more detailed and accurate tests. In the mixture text, two blood samples are mixed, where one is from a patient with hemophilia. when mixing the two samples, the doctor observes whether there were coagulation inhibitors in the patient's blood, and can then draw conclusions about the presence of hemophilia in the patient.

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What are the resources of the ocean
denis23 [38]

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Explanation:

8 0
3 years ago
Explain how the nervous system helps the muscular system control heart rete, digestion, and respiration
GREYUIT [131]

The nervous system helps:

Receptors in muscles provide the brain with information about body position and movement.

The brain controls the contraction of skeletal muscle.

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Source: https://faculty.washington.edu/chudler/organ.html



6 0
3 years ago
Considering the drifting of continents, how do you explain the abundance of marsupials and the absence of native placental mamma
garri49 [273]

Answer:

this phenomenon is a natural consequence of evolutionary processes and continental drift  

Explanation:

Marsupials are mammals in which newborn offspring are carried in a pouch of the female (mother) body. On the other hand, placentals are mammals that complete embryo development in the mother's body, in the placenta. All the extant marsupials are endemic to Australia and the Americas. It has been shown that marsupials diverged (evolved) in South America, Australia and Antarctica when these landmasses were joined. In Australia, marsupials evolved to fit an ecological niche, which can be attributed to geographic isolation due to continental drift, while placental mammals are relatively recent and more scarce (mainly bats and rodents) within this region.

5 0
3 years ago
A litter of pigs is born three are female and three are male which set of symbols correctly describe the gender of each piglet
kondaur [170]

Ans. (B).  XX, XY ,XX, XY ,XY, XX .

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Thus, the correct answer is option (B).  

5 0
3 years ago
Read 2 more answers
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elena-14-01-66 [18.8K]
I believe it’s the lithosphere
5 0
3 years ago
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