Biology, 13.11.2019 01:31 Maxwell2539
Aperson who lives in a city at sea level and takes a vacation to an area high in the rocky mountains would experience an increase in in response to the thinner air.
group of answer choices
his/her red blood cell count
the density of the bone marrow
the number of lymphocytes in the blood
the number of platelets in the blood
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question 121 pts
the type of blood that is the universal donor is
group of answer choices
o-
o+
ab-
ab+
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question 131 pts
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.
Answers: 2
Biology, 21.06.2019 15:50
Providing immunity by injecting the body with a weakened form a pathogen is known as
Answers: 3
Biology, 22.06.2019 08:00
Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.
Answers: 1
Biology, 22.06.2019 16:00
Why were the results whit just water so much different than the trials with the detergent ?
Answers: 3
Aperson who lives in a city at sea level and takes a vacation to an area high in the rocky mountains...
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