Author Question: Which of the following glycoproteins is responsible for treating such diseases as bone marrow ... (Read 138 times)

RODY.ELKHALIL · **on:** Jun 25, 2018

Which of the following glycoproteins is responsible for treating such diseases as bone marrow failure following chemotherapy and hematopoietic neoplasms such as leukemia?

A)
Growth factors and cytokines
B)
Neutrophils and eosinophils
C)
T lymphocytes and natural killer cells
D)
Natural killer cells and granulocytes

Question 2

A hospital laboratory technician is performing routine blood analysis as part of an inpatient's assessment and is examining the sample in a test tube following processing in a centrifuge and the addition of an anticoagulant.

Which of the following observations would the technician most likely interpret as an anomaly?
A)
The bottom layer of blood in the tube accounts for around one third of the total volume.
B)
The middle layer of cells appears white to gray in color.
C)
The top layer of cells is too thin to visualize without microscopy.
D)
The yellowish fluid on the top of the sample appears to constitute around one half of the total volume.

zenzy · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

Ans:
A

Feedback:

The identification and characterization of the various growth factors and cytokines have led to their use in treating a wide range of diseases like bone marrow failure, hematopoietic neoplasms, infectious diseases, and congenital and myeloproliferative disorders. Neutrophils are primarily responsible for maintaining normal host defenses against invading bacteria, cell debris, or foreign substances. Eosinophils increase in number during allergic reactions and parasitic infections. T lymphocytes are involved in cell-mediated immunity. Natural killer cells participate in innate or natural immunity, and their function is to destroy foreign cells. Granulocytes are phagocytic cells.

Answer to Question 2

Ans:
A

Feedback:

The body layer of cells in a centrifuged blood sample consists of erythrocytes and should constitute around 42 to 47 of the total blood volume. The middle cell layer of leukocytes should appear whitish gray, and the thrombocytes above that layer are frequently not discernable. The plasma layer should account for around 55 of the total blood volume.