The laboratory blood test that evaluates blood coagulation is PTT (Partial Thromboplastin Time). Other tests like CBC, ESR, MCV, and HDN do not assess coagulation. Thus, option c is the correct choice. ;
The blood test that evaluates coagulation is the PTT (Partial Thromboplastin Time). Other tests like CBC, ESR, MCV, and HDN serve different purposes and do not assess coagulation. Therefore, option c is the correct choice.
;