1 What is the difference between serum and plasma? a. Plasma contains calcium; s

Question

1 What is the difference between serum and plasma? a. Plasma contains calcium; serum does not Plasma does not have blood cells: serum does. c. Plasma contains fibrinogen; serum does not d. Plasma contains albumin, serum does not. 2 Which of the following is an agranulooyte? a. A basophil b. An eosinophil A neutrophil de A monocyte 3 Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample? Eosinophils c. Basophils d. Neutrophils 4 An increased neutrophil count typically is associated with: a) an ongoing bacterial infection b) neutropenia c) allergic reactions d) an ongoing parasitic infections 5 These cells are important phagocytes and eventually become macrophage: a) neutrophils b) basophils C monocytes 6 Platelets are best defined as A. giant, multinucleated cells. E) cytoplasmic fragments of cels. C. immature leukocytes. D. lymphoid cells 7 The blood vessels that play the most important role in the regulation of blood flow to a tissue and blood pressure are the a) arterioles b) capillaries c) venules e) veins

Explanation / Answer

Question: 1. What is the difference between serum and plasma?

Answer: c. plasma contains fibrinogen; serum does not

Plasma is the liquid portion of the blood, and serum is plasma without the clotting factors, primarily fibrinogen. i.e., plasma can clot but serum cannot. Thus the difference between plasma and serum is that plasma contains fibrinogen.

Question: 2. Wich of the following is an agranulocyte?

Answer: d. monocyte

Agranulocytes are white blood cells or leukocytes which do not contain granules within their cytoplasm. There are two types of agranulocytes and are monocytes (macrophages) and lymphocytes (B and T cells).

Question: 3. Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample?

Answer: c. basophils

There are five basic types of white blood cells which include: Neutrophils, which make up 60-70% of the total white blood cells. Lymphocytes, which makes up 20-50 percent. Monocytes, which makes up 2-10 percent. Eosinophils, which make up 1-6 percent. Basophils, which makes up only 0.5-1 percent.

Question: 4. An increased neutrophil count typically is associated with:

Answer: a) an ongoing bacterial infection

An increased neutrophil count is a condition called neutrophilia and bacterial infection is the most common cause of it.

Question: 5. These cells are important phagocytes and eventually become macrophage: a) neutrophils b) basophils

Answer: C. monocytes

Question: 6. Platelets are best defined as

Answer: E) cytoplasmic fragments of cells

Question: 7. The blood vessels that play the most important role in the regulation of blood flow to a tissue and blood pressure are the_.

Answer: a) arterioles

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