Cell Injury and Death

Question 1

cell death

Answer 1

necrosis

Question 2

cell suicide

Answer 2

apoptosis

Question 3

lack of blood and therefore O2 to the tissue

Answer 3

ischemia

Question 4

nucleus dissolves with loss of affinity for basic stains

Answer 4

karyolysis

Question 5

nucleus shrinks and becomes dense

Answer 5

pyknosis

Question 6

nucleus breaks down into small fragments and chromatin breaks up into unstructured granules throughout cytoplasm

Answer 6

karyorrhexis

Question 7

what controls cell growth and differentiation

Answer 7

genetic factors

Question 8

increase in number of cells

Answer 8

hyperplasia

Question 9

increase in cell size

Answer 9

hypertrophy

Question 10

absence or imperfect tissue development

Answer 10

agenesis

Question 11

total failure of organ to develop

Answer 11

aplasia

Question 12

deficiency of growth or diminution of size

Answer 12

hypoplasia

Question 13

reduction in size of an organ

Answer 13

atrophy

Question 14

replacement of a cell type with another

Answer 14

metaplasia

Question 15

normal development of a tissue with disordered architecture

Answer 15

dysplasia

Question 16

calcium is deposited into injured or dead tissue

Answer 16

dystrophic calcification

Question 17

calcium deposited into tissues that are not the site of previous damage

Answer 17

metastatic calcification

Question 18

brown-black pigments normally found in the skin, hair, and retina used for UV protection

Answer 18

melanin

Question 19

pigment in RBCs responsible for transport of O2

Answer 19

hemoglobin

Question 20

when RBCs die…

Answer 20

hemoglobin is released and breaks down into amino acids, biliruben, and iron and is converted into bile in the liver

Question 21

when iron is part of the hemoglobin is altered and doesnt carry O2 well, animal will appear blue

Answer 21

methemoglobin

Question 22

yellow pigment from Hgb during normal and abnormal destruction of RBCs, animal will appear yellow

Answer 22

bilirubin