Practice Q's

Question 1

what type of cartilage is associated with nucleus pulposus of the vertebrae?

Answer 1

fibrocartilage

Question 2

what type of bone is not referred to as mature bone?

lamellar, spongy, compact, woven or cancellous

Answer 2

woven bone

Question 3

what is responsible for conducting nutrients via blood, directly to the osteocytes embedded within the bone?

Answer 3

canaliculi

Question 4

in endochondral bone formation, deposition of bone matrix occurs on which substrate?

Answer 4

calcified hyaline cartilage matrix

Question 5

what activity would be directly responsible for the increase in the length of bone in endochondral growth?

Answer 5

proliferation of chondrocytes away from the ossification front

Question 6

what is normally secreted by osteoblasts and binds to RANKL to prevent maturation of osteoclasts?

Answer 6

osteoprotegerin

in presence of PTH osteoprotegerin production is inhibited

Question 7

what is secreted by osteoclasts to degrade the organic matrix of bone?

Answer 7

cathepsin K

HCl for inorganix matrix

Question 8

concerning vascularization and innervation, describe the membrane lining of a typical synovial joint cavity?

Answer 8

highly vascularized

poorly innervated

Question 9

which of the following cell types have a bilobed nucleus and specific granules containing major basic protein that disrupts parasite membranes?

a. basophils
b. eosinophils
c. neutrophils
d. monocytes

Answer 9

b. eosinophils

Question 10

of the circulating blood cell types, which of the following is an active amoeboid phagocyte, characterized by numerous small specific granules and larger less numerous azurophilic granules?

a. eosinophils
b. neutrophils
c. basophils
d. monocyte

Answer 10

b. neutrophils