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RVT ARDMS Exam Review Questions And 100% Correct Answers
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RVT ARDMS Exam Review Questions And100% Correct Answers
3 causes of venous thrombosis also called, Virchow's Triad - ANSWER Venous stasis,
trauma/endothelial damage, hypercoagulability
Venous stasis - ANSWER Slowed blood flow in veins. Caused by immobility, myocardial
infarction, CHF, hypotension, COPD, obesity, pregnancy, previous DVT, extrinsic
compression, SVC syndrome, paraplegia, surgery associated conditions.
2 types of Trauma/endothelial damage - ANSWER Intrinsic and extrinsic
Intrinsic trauma is - ANSWER Vessel wall damage from intravenous drugs or a catheter.
Increased utilization of PICC line results in higher incidence of upper extremity
thrombus, usually developing at most proximal portion of PICC line.
Extrinsic trauma is - ANSWER Accident, which may occur at any site of the body.
Hypercoagulability is associated with-ANS Pregnancy, cancer, oral contraceptives
and/or hormone replacement therapy, inherited states,e.g., factor V Leiden or protein C,
protein S, or Antithrombin III deficiency
Sensitivity, and
How to calculate?-ANSWER -Ability of a test to detect disease, how many tests are
correctly called positive.
- # of true positives divided by # of all positive tests by gold standard, or TP/TP+FN
Specificity, and how to calculate? - ANSWER -Ability of a test to identify normality, or
how many results were correctly called negative.
, # of true negative divided by # of all negative tests by gold standard, or TN/TN+FP
Positive predictive value, and how to calculate? - ANSWER -percentage of test results
that accurately predict abnormality, or what % correctly predicted disease.
- # of true positive test divided by # of all positive tests, or TP/TP+FP
Negative predictive value, and how to calculate? - ANSWER - % of test results that
correctly predict normality, or what % correctly predicted absence of disease.
- # of true negatives divided by # of all negative tests, or TN/TN+FN
Accuracy, and how to calculate? - ANSWER - % of correct tests, or how well does the
test both detect and rule out disease.
- total # of correct tests divided by total # of all tests, or TP+TN/TP+FP+FN+TN
Brachiocephalic/ Innominate vien formed from confluence of? - ANSWER Subclavien
and Internal jugular vein
Vascular disease more common in women? - ANSWER Takayasu's arteritis-tennage to
young women more common.
FMD- younger women.
Celiac band syndrome- young athletic females.
Vascular disease more common in men? - ANSWER Obliteritis angitis(bergers disease)-
younger <40 males, heavy smokers.
Popliteal artery entrapment syndrome- young athletic males.
Celiac artery supplies blood to what organs? - ANSWER Stomach, liver, pancreas,
duodenum, and spleen.
Celiac artery branches into? - ANSWER Left gastric, splenic, common hepatic arteries.
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