Why is analysis of multimers used in the panel of tests for von Willebrand disease?

A 21-year-old woman presents with a primary complaint of menorrhagia (heavy menstrual flow). Her coagulation screen gives the following results. What disorder is most likely?    TEST RESULT REFERENCE RANGE PT 12.0 sec 11-13 sec APTT 40 sec 22-32 sec Factor VIII 35% 50-150% Platelet count 225,000/ul 150,000-450,000/ul RIPA 34% 50-150%

Hemorrhage is the final occurrence in the progression of DIC and is caused by:

A patient is admitted to the local hospital due to abdominal distention (swelling).  Upon physical examination, the physician notices a yellow ring around his eyes.  He has been suffering from swollen joints for the last month.  The physician in charge of his care runs a battery of labs.  The results are below: TEST Patient result Reference Range Prothrombin Time 16.8 sec 11-13 sec INR 3.85 NA Activated Partial Thromboplastin Time 71 sec 23-32 sec Bleeding Time 8 min 2-6 min Fibrinogen 375 mg/dl 200-400 mg/dl Factor X 22% >50% activity Factor II 21% >50% activity Factor VII 23% >50% activity Factor V 28% >50% activity Factor XII 95% >50% activity Factor VIII 98% >50% activity Factor XI 99% >50% activity Factor IX 30% >50% activity RIPA 95% >50% activity AST Elevated Normal ALT Elevated Normal GGT Elevated Normal TBIL Elevated Normal DBIL Elevated Normal Based on these findings, what is the most probable diagnosis?

For the galvanic cell reaction, expressed below using shorthand notation, what half-reaction occurs at the cathode? Ba(s) ∣ Ba2+(aq) ∣∣ Cd2+(aq) ∣ Cd(s)

What element is being oxidized in the following redox reaction? Fe2+(aq) + NH4+(aq) → Fe(s) + NO3⁻(aq)

Nickel crystallizes in a face-centered cubic structure. What is the edge length of the unit cell if the atomic radius of nickel is 125 pm?

Complete the following equation of transmutation. Al + He → P + ________

Given the following balanced equation, determine the rate of reaction with respect to [O2]. 2 SO2(g) + O2(g) → 2 SO3(g)

What is Δn for the following equation in relating Kc to Kp? C3H8(g) + 5 O2(g) ⇌ 3 CO2(g) + 4 H2O(l)