Knowledge Burst Unit 2

Question 1

What can only be evaluated through the microscopic examination of a stained blood film?

Answer 1

presence/absence of blood cell inclusions

Question 2

which of the following gathers, organizes, and directs light through the specimens?

Answer 2

condenser

Question 3

what is the final magnification of an image if the ocular lens is 15x and the objective lens is 50x

Answer 3

x750 (15x50)

Question 4

What is the difference between plasma and serum?

Answer 4

plasma has fibrinogen

Question 5

the ability to distinguish between two objects that are situated close to one another as separate entities is:

Answer 5

resolution

Question 6

What anticoagulant can be used if platelets are clumped on the diff slide, therefore preventing an accurate platelet count?

Answer 6

sodium citrate

Question 7

the nucleus of a small lymph can be used as a gauge to evaluate RBC size (MCV)

Answer 7

true

Question 8

lymphocytosis is commonly associated with viral infections

Answer 8

true

Question 9

monocytes are the most abundant cell in the body

Answer 9

false - macrophages are

Question 10

an important function of the macrophage is to identify foreign particles and assist lymphocytes in mounting an immune response through antigen presentation

Answer 10

true

Question 11

benign monocytosis can be found in certain infections or inflammation

Answer 11

true

Question 12

uncontrolled platelet activation is responsible for DVTs, pulmonary emboli, MS, and strokes

Answer 12

true

Question 13

severe thrombocytopenia may be life-threatening

Answer 13

true