In what is a patient with the following coagulation test results most likely deficient?
Test Result Reference Range
Prothrombin time (PT) 17 seconds 11-15 seconds
Partial thromboplastin time (PTT) 31 seconds 25-37 seconds
Thrombin time (TT) 16 seconds 15-21 seconds
a. Fibrinogen
b. VII
c. VIII
d. X
ANS: B
Factor VII deficiency shows a prolonged PT with a normal PTT result. A deficiency of fibrinogen ideally should prolong the PT, PTT, and TT. Factor VIII deficiency prolongs the PTT but not the PT and TT, whereas a factor X deficiency should prolong both the PT and PTT but not the TT.
You might also like to view...
Which of the following is NOT a safety device that can be used in cases of fire or electrical accidents?
a. Eyewashes b. Showers c. Safety blankets d. Puncture-proof containers
Gloves should be removed ____.
A. after most patient contact possibilities are finished B. by touching the skin to the outer layer of the glove C. and discarded in any available container D. after all patient contact possibilities are finished
Specifically relate how health professionals therapeutically communicate with suicidal clients
The use of Clark's rule to calculate pediatric dosages is much less accurate than other pediatric methods.
Answer the following statement true (T) or false (F)