Tawersa Tawersa

Second Subject: Specimen Collection

When is it appropriate to tie a tourniquet over an open sore?      a. always      b. if the open sore is covered with the patient's gown      c. if the open sore is covered with a[...]

First Subject: Circulatory System

Blood group antigens are located:      a. on the surface of erythrocytes      b. on the surface of lymphocytes      c. in plasma      d. serum   - Blood[...]

First Subject: Circulatory System

The cellular element of the blood responsible for the transport of oxygen to the tissues is:          a. erythrocyte          b. leukocyte          c.[...]

First Subject: Circulatory System

A blood specimen was collected into an evacuated tube containing an anticoagulant. What is the fluid portion of this blood specimen called?       a. fibrin       b. fibrinogen       c.[...]