Blood

Question 1

Antibodies belong to a class of proteins called

Answer 1

gamma globulins

Question 2

serum is blood plasma minus its

Answer 2

fibrinogen

Question 3

the most abundant formed elements seen in most stained blood films are

Answer 3

erythrocytes

Question 4

heparin and histamine are secreted by

Answer 4

basophils

Question 5

___ have a finely granular cytoplasm and a nucleus typically divided into three to five lobes

Answer 5

neutrophils

Question 6

platelets have all of the following functions except ___. a. coagulation b. plugging broken blood vessels c. stimulating vasoconstriction d. transporting oxygen e. recruiting neutrophils

Answer 6

transporting oxygen

Question 7

which of these is a granulocyte? a. a monocyte b. a lymphocyte c. a macrophage d. an eosinophil e. an erythrocyte

Answer 7

eosinophil

Question 8

allergies stimulate a rise in ___ count.

Answer 8

eosinophil

Question 9

anemia is most likely to result from failure of which of these organs?

Answer 9

the kidneys

Question 10

oxygen binds to the ___ of a hemoglobin molecule

Answer 10

Fe

Question 11

production of all the formed elements of blood is called ___

Answer 11

hemopoiesis

Question 12

the percentage of blood volume composed of RBC’s is called the ___

Answer 12

hematocrit

Question 13

Microglia and Kupffer cells are two kinds of ___

Answer 13

macrophages

Question 14

An excessively low WBC count is called ___

Answer 14

leukopenia

Question 15

___ is the fluid that remains if all the formed elements and fibrinogen are removed from the blood.

Answer 15

serum

Question 16

the overall cessation of bleeding, involving several mechanisms, is called ___

Answer 16

hemostasis

Question 17

___ results from a mutation that changes one amino acid in each beta chain of the hemoglobin molecule

Answer 17

sickle- cell disease

Question 18

an excessively high RBC count is called ___

Answer 18

polycythemia

Question 19

platelets are produced by giant bone marrow cells called ___

Answer 19

megakaryocytes

Question 20

the kidney hormone ___ stimulates RBC production

Answer 20

erythropoietin