Which of the following hematocrit measurements might indicate that a person has a problem producing red blood cells?
group of answer choices

25

46

61

76

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question 141 pts
which of the following is not a benefit of the shape of red blood cells?
group of answer choices

increased flexibility of the cell

greater cell surface for diffusion

ability of the cell to diffuse out of blood vessels into surrounding tissues

none of the above are benefits of the shape of red blood cells

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question 151 pts
the intrinsic, extrinsic, and common pathways function in
group of answer choices

clotting after injury.

phagocytosis of pathogens.

erythropoiesis.

removal of toxins from the bloodstream.

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question 161 pts
which method of blood collection would you use to determine the efficiency of gas exchange in the lungs?
group of answer choices

venipuncture

capillary stick

arterial puncture

heart catheterization

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question 171 pts
to get ready for a scheduled surgery, you visit the hospital lab for a blood draw to determine your blood type. anti-a antibody is added to one sample of your blood, and anti-b antibody is added to another. if agglutination (clumping) occurs in both samples, you would conclude that you are blood type
group of answer choices

a

b

o

ab

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question 181 pts
if someone were dehydrated, you would expect their hematocrit to
group of answer choices

increase because less liquid means plasma volume would decrease

increase be less liquid means plasma volume would increase

decrease because red blood cell production would increase

none of the above. dehydration would not cause hematocrit to change.