A&P final Mastering questions (Blood)

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Questions from Mastering A&P on Blood.

The ______ is the fluid portion of the blood.
hematocrit
plasma
buffy coat
hemoglobin

plasma

In a centrifuged sample of blood, what makes up the buffy coat?
white blood cells and platelets
red blood cells
plasma
platelets only

white blood cells and platelets

Which of the following is NOT a function of blood?
protection
hormone production
distribution
regulation

hormone production

The main protein in blood plasma is:
hemoglobin.
erythropoietin.
plasmin.
albumin.

albumin.

Which of the following is not a formed element of the blood?
Leukocytes
Platelets
Erythrocytes
Antibodies

Antibodies

In adults, red blood cell production occurs in__________.
the liver
the thymus
red bone marrow
yellow bone marrow

red bone marrow

Bilirubin is cleared from the body by:
the liver.
the pancreas.
the spleen.
the kidneys.

the liver

Which of the following is correctly matched?
Aplastic anemia: results from excessive blood loss
Hemorrhagic anemia: red blood cells rupture
Hemolytic anemia: results from inadequate iron intake
Pernicious anemia: results from a vitamin B12 deficiency

Pernicious anemia: results from a vitamin B12 deficiency

The most abundant leukocytes are:
basophils.
macrophages.
lymphocytes.
neutrophils.

neutrophils.

Platelet formation is regulated by:
interleukin-2.
plasmin.
erythropoietin.
thrombopoietin.

thrombopoietin.

Which of the following is NOT a functional characteristic of leukocytes?
amoeboid motion
positive chemotaxis
diapedesis
leukocytosis

leukocytosis

Which leukocyte functions in phagocytizing bacteria?
lymphocyte
neutrophil
basophil
eosinophil

neutrophil

You observe a large cell with a "U" shaped nucleus. This cell is most likely a(n):
monocyte.
lymphocyte.
eosinophil.
basophil.

monocyte.

The enzyme ______ digests fibrin clots.
plasminogen
fibrinogen
thrombin
plasmin

plasmin

A person who lacks agglutinogens A and B would have blood type:
B.
O.
AB.
A.

O.

Which ABO blood type is considered to be the universal donor?
O
AB
B
A

O

What is an embolus?
an anticoagulant
a stroke
a protein in the coagulation pathway
a blood clot that has broken loose and is floating freely in the blood stream

a blood clot that has broken loose and is floating freely in the blood stream

The first step in hemostasis is:
coagulation.
fibrin production.
vascular spasm.
platelet plug formation.

vascular spasm.

Hemostasis leads to:
white blood cell production.
stoppage of bleeding.
red blood cell production.
heme production.

stoppage of bleeding.

Which plasma constituent is the main contributor to osmotic pressure?
alpha globulins
fibrinogen
albumin
beta globulins

albumin

An abnormal excess of erythrocytes is called__________.
sickle-cell anemia
polycythemia
thalassemia
leukocytosis

polycythemia

Which of the following represents a difference between extrinsic and intrinsic blood clotting cascades?
One leads to the production of prothrombin activator and the other does not.
One is faster than the other.
One is triggered by tissue damage while the other cannot be triggered by tissue damage.
One involves calcium ions while the other does not.

One is faster than the other.

Which of the following scenarios could result in HDN (hemolytic disease of the newborn)?
A+ female pregnant with a B- baby.
B- female pregnant with an AB+ baby.
O+ female pregnant with a B+ baby.
AB- female pregnant with an AB- baby.

B- female pregnant with an AB+ baby.

Choose the compatible transfusion.
Donate type B blood to a recipient with type O blood.
Donate type O blood to a recipient with type AB blood.
Donate type AB blood to a recipient with type B blood.
Donate type A blood to a recipient with type B blood.

Donate type O blood to a recipient with type AB blood.

Which of the following is NOT a part of hemostasis?
coagulation
platelet plug formation
vascular spasm
vascular relaxation

vascular relaxation

What protein involved in coagulation provides the scaffolding for tissue repair?
prothrombin activator
fibrinogen
thrombin
fibrin

fibrin

Which of the following does not stimulate erythrocyte production?
A drop in normal blood oxygen levels
Hyperventilating
Erythropoietin
Testosterone

Hyperventilating

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