Many heart attack victims are advised to take a single aspirin every other day. Why? What are blood thinners?

Answer: Blood thinners interfere with the clotting process and thus less likely to clog your arteries and hopefully prevent a heart attack.

Define the 3 general functions of your blood.

1. Transportation of oxygen/carbon dioxide, nutrients, wastes, hormones

2. Regulation of pH, temperature, and osmotic pressure

3. Protection - clotting and WBC providing immunity

What antigens does a person have on their RBC if their plasma has antibody A?

a. A

b. B

c. O

d. A and B

e. No antigens

Answer: b. B

What antibodies does a person with type O blood have in their plasma?

a. A

b. B

c. A and B

d. No antibodies

e. Not enough information to answer

Answer: c. A and B

Considering Rh blood types, which of the below situations would result in maternal antibodies attacking the fetus?

a. Mom is Rh negative and fetus is Rh negative

b. Mom is Rh negative and fetus is Rh positive

c. Mom is Rh positive and fetus is Rh negative

d. Mom is Rh positive and fetus is Rh positive.

Answer: Mom is Rh negative and fetus is Rh positive

Which methods provide hemostasis?

a. vascular spasm, clotting, polycythemia

b. hemolysis, vascular spasm, platelet plug formation

c. emigration, clotting, hemolysis

d. platelet plug formation, vascular spasm, clotting

e. anemia, hemogenesis, platelet plug formation

Answer: platelet plug formation, vascular spasm, clotting

The process of a white blood cell squeezing between cells to exit the blood vessel is called

a. Emigration

b. Wandering

c. Adhesion

d. Hempoiesis

e. Phagocytosis

Answer: a. Emigration

Which of the following is not an Agranular leukocyte?

a. Monocytes

b. Macrophage

c. Lymphocyte

d. Basophil

e. All of the above

Answer: d. Basophil

Which of the following promotes inflammation?

a. Eosinophil

b. Monocyte

c. Lymphocyte

d. Basophil

e. Neutrophil

Answer: d. Basophil

Which of the following reduces blood loss?

a. Erythrocyte

b. Platelet

c. Lymphocyte

d. Basophil

e. Neutrophil

Answer: b. Platelet

Which of the following is a phagocyte?

a. Monocytes

b. Platelet

c. Lymphocyte

d. Basophil

e. Eosinophil

Answer: a. Monocytes

A red blood cell without a nucleus is called a

a. Proerythroblast

b. Cytokine

c. Precursor cell

d. Interleukin

e. Reticulocyte

Answer: e. Reticulocyte

A red blood cell's function is

a. Nutrient transport

b. Cytokine stimulation

c. Blood cell proliferation

d. Gas transport of oxygen

e. Disease resistance

Answer: d. Gas transport of oxygen

A megakaryoblast will develop into

a. A. Red blood cell

b. B. White blood cell

c. C. Platelet

d. Both b and c

e. Any of the above

Answer: c. C. Platelet

The process by which formed elements of the blood develop is called:

a. Hematocritation

b. Hemopoiesis

c. Albumin genesis

d. Immunology

e. None of the above

Answer: b. Hemopoiesis

A hemocrit measures

a. A. Percentage of RBC in packed blood

b. B. Percentage of WBC in packed blood

c. C. Percentage of platelets in packed blood

d. Both a and b

e. All of the above

Answer: a. A. Percentage of RBC in packed blood

Which of the following plasma proteins plays a role in blood clotting?

a. Albumins

b. Globulins

c. Fibrinogens

d. Prostaglandins

e. None of the above

Answer: c. Fibrinogens

Which of the following plasma proteins plays a role in disease resistance?

a. Albumins

b. Globulins

c. Fibrinogens

d. Myoglobin

e. Hemoglobin

Answer: b. Globulins

The hematocrit is the percentage of blood composed of

a. WBC

b. Platelets

c. RBC

d. plasma

e. proteins

Answer: RBC

Which of the following is not a component of blood?

a. Blood plasma

b. Formed elements

c. Carbon dioxide

d. Platelets

e. White blood cells

Answer: c. Carbon dioxide