WITH CORRECT ANSWERS 2025
Epithelialization, the first component of the proliferative phase of
wound healing, is delayed in open wounds until after
_______________ has formed.
a. granulation tissue
b. fibrinous meshwork
c. capillary circulation
d. collagenous layers correct answers >> A
A mutation has occurred during mitosis of an individual's bone
marrow cell. This event may be the result of the failure of which
of the following?
a. progenitor cells
b. fibroblasts
c. stem cells
d. cyclins correct answers >> D
A patient has experienced a myocardial infarction with
accompanying necrosis of cardiac muscle, a permanent tissue,
What are the ramifications of the fact that cardiac muscle is a
permanent tissue?
a. cardiac muscle cells will remain perpetually in the GI stage of
mitosis
, b. regeneration of the patients cardiac muscle will be
exceptionally low
c. the necrotic cells will be replaced with muscle cells that have
limited metabolism
d. the cells will not proliferate correct answers >> D
A couple have chosen to pay for the harvesting and storage of
umbilical cord blood after the delivery of their child to secure a
future source of embryonic stem cells. What is the most likely
rationale for the couples decision?
a. the stem cells may be able to produce a wide range of body
cells
b. the embryonic stem cells allow stable and permanent tissues to
enter mitosis
c. the stem cells can change the proliferative capacity of other
cells
d. the embryonic stem cells remove cyclin-dependent kinase
inhibitors from the body correct answers >> A
The basement membrane surrounding a patients foot wound
remains intact, a fact that bodes well for the wound-healing
process. Which of the following components constitutes this form
of the extracellular matrix? Select all that apply
a. prostaglandins
b. fibrous structural proteins
c. lymphocytes
d. water-hydrated gels
e. glycoproteins correct answers >> B, D E