MIDTERM 2: BLOOD AND ITS COMPONENTS Flashcards
The _ is the fluid portion of the blood A) hemoglobin B) hematocrit C) plasma D) buffy coat
C) plasma
Which fraction expands when you have a cold?
A) plasma
B) buffy coat
C) erythrocytes
B) buffy coat
The plasma protein that is major contributor to osmotic pressure is_ A) albumin B) alpha globulin C) fibrinogen D) gamma globulin
A) albumin
What consequences will serve polycythemia have on the hematocrit, blood viscosity, and bodily function?
Hematocrit: high, up to 80%
Blood viscosity; also much higher
With the increase in blood viscosity and overall volume, heart and circulatory system needs to work harder, increasing risk of heart failure and stroke
What does it mean if you see uncleared red blood cells in a blood sample?
- Produce lots of erythrocytes very quickly, as in someone suffering from or recovering from illness
- Newborn blood
- Non-mammalian blood
Pernicious anemia is the inability of the body to absorb vitamin B12. What symptom might this cause? A) reduced blood iron levels B) decreased number of red blood cells C) increased levels of hemoglobin D) no effects on red blood cells
B) decreased number of red blood cells
Which of these symptoms would you expect to see in people with anemia? A) chills B) fatigue C) paleness D) shortness of breath E) all of the above
E) all of the above
Leukopenia is an abnormally low number of leukocytes
A) true
B) false
A) true
Does aplastic anemia cause leukopenia?
Yes, since red marrow makes both red and white blood cells
All lymphocytes are leukocytes, but not all leukocytes are lymphocytes
A) true
B) false
A) true
What would an elevated neutrophil count indicate? A) an allergic reaction B) a cancer C) an acute bacterial infection D) a parasitic infection
C) an acute bacterial infection
What would an elevate monocytes count indicate A) viral infection B) bacterial (parasites) infection C) chronic infection D) all the the above
D) all the the above
