Complications of aplastic anemia generally do NOT include
D) increase of leukocytes as a result of erythrocyte loss
As red blood cells age _______.
D) membranes "wear out" and the cells become damaged
Which of the following is a regulatory function of blood?
D) maintenance of normal pH in body tissues
Place the following in correct developmental sequence:
reticulocyte, proerythroblast, normoblast, late eryththroblast
C) 2, 4, 3, 1
proerythroblast, late eryththroblast, normoblast,reticulocyte
James has a hemoglobin of 16 mg/100 ml blood. This is______.
A) within normal range
Which of the below is the parent cell for all formed elements of blood?
C) pluripotent stem cell (hemocytoblast)
Which of the following is NOT a cause of bleeding disorders?
D) excess secretion of PDGF
The slowest step in the clotting process is ______.
C) formation of prothrombin activator
Blood is a ______.
A) suspension
Which blood type is called the universal donor?
C) O
All of the following conditions impair coagulation EXCEPT _____.
D) vascular spasm
Which of the following is a protective function of blood?
D) maintenance of body temperature
Which of the following is true about blood plasma?
B) it is about 90% water
When neither anti-A nor anti-B serum clot on a blood plate with donor blood, the blood type is ____.
B) O
NO visible cytoplasmic granules are present in _____.
D) monocytes
When can erythroblasosis fetalis NOT possibly happen in the child of an Rh- mother?
C) if the father is Rh-
What organ in the body regulates erythrocyte production?
A) kidney
A lack of intrinsic factor leading to a deficiency of vitamin B12 and large pale cells called macrocytes is characteristic of ___.
C) pernicious anemia
Blood volume resotrers include all of the following EXCEPT______.
C) packed cells
Which of the following is an incorrect or false statement?
D) Transfusion of incompatible blood can be fatal.
Which of the following is a pivotal molecule associated with the external surfaces of aggregated platelets and is involved in the intrinsic and extrinsic mechanisms of blood clotting?
D) PF3
C) 3,4,1,2
The most abundant plasma protein is ____.
B) albumin
Which of the following might trigger erythropoiesis?
C) hypoxia of EPO- producing cells
Sickling of RBCs can be produced in those with sickle cell anemia by _______.
C) travel at high altitude and vigorous exercise
An individual who is blood type AB- can _____.
D) receive any blood type in moderate amounts except that with the Rh antigen
What is the average pH range of blood?
C) 7.35- 7.45
Thromboembolic disorders______.
B) include embolus formation, a clot moving within the circulatory system
All of the following can be expected with polycythemia EXCEPT_______.
C) low blood viscosity
Which of the following is characteristic of all leukocytes?
B) They are nucleated.
Which statement is correct regarding blood cell formation?
A) Red marrow is the main site of blood cell formation throughout adult life.
Fred's blood was determined to be AB+. What does this mean?
A) There are no antibodies to A, B or Rh antigens in the plasma.
Which of the following is NOT a phase of hemostasis?
A) fibrinolysis
Platelets____.
B) stick to the damaged area of a blood vessel and help seal the break
The special type of hemoglobin in fetal RBCs is ____.