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Cell cycle length is (a)
determined by what phase
of the cell cycle? G1 ↔ G0 phase determines cell cycle length
a. G1
(most variable cell period) Most RNA/protein
b. S
c. G2
synthesis
d. M
Of the following, which is the (d)
most critical component in
the neovascularization of Vascular endothelial growth factor (VEGF) receptor
tumor metastases?
a. HER receptor
b. VEGF receptor
c. Neu receptor
d. FGF receptor
For its anticoagulation (c)
effects, heparin binds:
ATIII (heparin-ATIII complex binds thrombin, factor IX,
a. Protein C factor X, and factor XI)
b. Protein S
c. Anti-thrombin III
d. Factor VII
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,8/30/25, 12:26 PM ABSITE Questions
7 days after a kidney (a)
transplant, your patient
develops severe acute They bind one epitope at the exact same binding site
rejection with vasculitis on
biopsy. You decide to
start the monoclonal
antibody OKT3.
Monoclonal antibodies:
a. Bind 1 epitope at one site
b. Bind 1 epitope at multiple
sites
c. Bind multiple epitopes
on a single antigen
d. Bind multiple epitopes
on multiple antigens
You start coumadin on a (d)
patient with a pulmonary
embolus. Three days later, Coumadin-induced skin necrosis occurs in patients
he starts sloughing off skin started on coumadin without being given heparin
across his arms and legs. All first. It results from a relatively hypercoagulable
of the following are true of state that can occur in some individuals because of
this patients most likely the shorter half-life of protein C & S compared to
condition except:
factors II, VII, IX, and X. Protein C & S ↓ after
coumadin before the other factors ↓, resulting in a
a. This likely would have been
relatively hypercoagulable state.
prevented by starting
heparin before coumadin
b. Patients with protein C
deficiency are more
susceptible to this
problem
c. The skin sloughing is
caused by skin necrosis
d. This is likely due to
hemophilia A
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While performing a LAR for (c)
colon cancer in a patient on
chronic dialysis, you notice Uremia downregulates GpIb, GpIIb/IIIa, and vWF
a significant amount of
bloody oozing from your Dialysis is the initial treatment of choice for uremic
dissection plane. All of the coagulopathy. Other therapeutic options include
following are true of DDAVP and conjugated estrogens (which stimulate
uremic induced platelet the release of factor VIII and vWF).
dysfunction except:
a. Down regulates GpIb
b. Down regulates GpIIb/IIIa
c. Stimulates von
Willebrand's factor
release
d. Treatment of choice is
dialysis
The most common blood (d)
transfusion reaction is:
Occurs from WBCs in the donor blood
a. Clerical error
leading to ABO Clerical error leading to ABO incompatibility is the
incompatibility most common transfusion reaction leading to
b. Transfusion related ALI
DEATH
c. Delayed hemolysis
from reaction to minor
antigens
d. Febrile non-hemolytic
transfusion reaction
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Prevention of febrile non- (d)Leukocyte filter
hemolytic transfusion
reaction in patients requiring
blood involves:
a. Heating blood to destroy the
WBCs
b. Prophylactic antibiotics
c. NSAIDs
d. Leukocyte filter
The most common blood (b)
product containing bacterial
contamination is: Platelets are stored at room temperature (~5
days) which offers a good medium for bacterial
a. RBCs
growth
b. Platelets
c. Cryoprecipitate
Half-life ↓↓ in cold temperature
d. FFP
The most common bacterial (b)
contaminant in blood
products is: Gram negative rods (E. coli)
a. GPC
b. GNRs
c. Anaerobes
CPRs
d.
The most common acquired (c)
hospital infection is:
Often related to placement of urinary catheters. Best
a. Pneumonia
treatment of a UTI is removal of the catheter.
b. Blood stream infection
c. UTI
d. Colitis
The most common cause of (d)
bloodstream infection:
Workup after a fever: blood, urine, and sputum
a. UTI
cultures; CXR (rule out pulmonary infiltrate); change
b. Pneumonia
all lines; check WBC count
c. Colitis
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