The distance between two "tic" marks is ________ sec
A) 3
B) 4
C) 5
D) 6
Answer: A
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Which of the following would cause a manual cell count to be falsely high?
a. Unopette not mixed before charging the hemocytometer b. Not wiping excess blood from outside of pipette when filling c. Using a smaller volume pipette than that specified by the Unopette system d. Pulling blood out of the pipette when wiping away excess on the outside
A 21-year-old woman has a primary complaint of menorrhagia. Her coagulation screen gives the following results. What disorder is most likely?
Test Result Reference range Prothrombin time (PT) 12.0 seconds 11-15 seconds Partial thromboplastin time (PTT) 40 seconds 25-37 seconds Factor VIII activity 35% 50%-150% Platelet count 225 x 109/L 150-400 x 109/L a. Hemophilia A b. Hemophilia B c. VWD, type 1 d. Factor X deficiency
Tinea capitis, tinea corporis, tinea pedis, and tinea cruris are caused by ________
A) bacteria B) fungi C) mites D) ringworms
The tan-topped blood collection tube is used for ________ determinations
Fill in the blank with correct word.