NR 283 PATHO EXAM 1 NEWEST 2024
ACTUAL EXAM COMPLETE
ACCURATE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY
GRADED A+
What causes redness at the site of inflammation? -
....ANSWER...Vasodilation of arterioles from the
histamine triggered by mediators or mast cells but
then spasm to stop the bleeding
What is brought to the injured site when the
vasodilation occurs? - ....ANSWER...Neutrophils,
monocytes, oxygen, nutrients to dilute toxins
With vasodilation that dilates the capillaries, what
lines the vessels? - ....ANSWER...Leukocytes
How do the traveling leukocytes (neutrophils and
monocytes) arrive at the tissue where the site of the
,infection is present? - ....ANSWER...The cell squeeze
through the gaps in the capillary walls to enter at
the site of the infection
What does phagocytosis do at the site? -
....ANSWER...Digests the foreign substances cellular
debris
Why is fibrinogen important at the site of injury? -
....ANSWER...Fibrinogen transforms into fibrin to wall
off the injured area, taking the foreign substances to
make a mesh to support blood clotting and healing
When the injury occurs, what stimulates the pain
receptors? - ....ANSWER...Prostaglandins
Why does the hypothalamus increase the body
temperature? - ....ANSWER...Pyrogens are released
by macrophages when exposed to bacteria
What reaction in the body inhibits bacterial growth
and causes the liver and spleen to remove iron in
the body that some bacteria use for growth? -
....ANSWER...fever
,What do cells release when they are attacked by
viruses? - ....ANSWER...inferferons
Where do interferons travel to and why? -
....ANSWER...They spread the infected cells to trigger
the making of enzymes that would inhibit the viral
replication
What system with about 20 blood plasma proteins
gets activated to attack the bacteria, causing it to let
water into the bacteria's cell to swell, burst, and die?
- ....ANSWER...the complement system
What is the process called that starts with
vasodilation; increases permeability of vessels for
the WBCs, macrophages, and plasma to go to the
foreign cells; and forms a coat around the microbe
to kill them? - ....ANSWER...phagocytosis
Interleukin six is produced primarily by which type of
cell?
A. Macrophages, lymphocytes, and fibroblasts
, B. Macrophages - ....ANSWER...A. Macrophages,
lymphocytes, and fibroblasts
Which are the most predominate proinflammatory
factors?
A. interleukins
B. RBC
C. WBS - ....ANSWER...A. interleukins
In regards to wound healing, what is primary union?
- ....ANSWER...Wound edges can be matched
together with serum and regeneration of tissue and
connecting capillaries, fibroblasts, and laying of
collagen that pulls the sides together when they
shrink. There is typically very little tissue loss (e.g.,
surgical skin incision).
In regards to wound healing, what is secondary
union? - ....ANSWER...It is a greater area of tissue
loss and more inflammation. Greater amounts of
tissue replacement, scar formation, and wound
contraction result in a more lengthy healing process
(e.g., late stage pressure ulcer).
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