Answer:
b) blastic red blood cell (RBC).
Explanation:
In excess of 340 blood group antigens have now been described that vary between individuals. Thus, any unit of blood that is nonautologous represents a significant dose of alloantigen. Most blood group antigens are proteins, which differ by a single amino acid between donors and recipients. Approximately 1 out of every 70 individuals are transfused each year (in the United States alone), which leads to antibody responses to red blood cell <u>(RBC) alloantigens</u> in some transfusion recipients. When alloantibodies are formed, in many cases, RBCs expressing the antigen in question can no longer be safely transfused. However, despite chronic transfusion, only 3% to 10% of recipients (in general) mount an alloantibody response. In some disease states, rates of alloimmunization are much higher (eg, sickle cell disease). For patients who become alloimmunized to multiple antigens, ongoing transfusion therapy becomes increasingly difficult or, in some cases, impossible. While alloantibodies are the ultimate immune effector of humoral alloimmunization, the cellular underpinnings of the immune system that lead to ultimate alloantibody production are complex, including antigen consumption, antigen processing, antigen presentation, T-cell biology.
Answer:
The left motor cortex
Explanation:
The cerebral cortex, also known as the neocortex, is the outer layer of neural tissue of the brain. The cerebral cortex is involved in diverse functions including perception, memory, thought, and voluntary physical activity. On the other hand, cerebral palsy (CP) refers to a group of disorders that alter the ability to move and maintain balance and posture. CP is caused by damage or abnormal development of the cerebral cortex (i.e., the part of the brain that directs muscle movement). CP can be divided depending on the type of disorder in motor skills into 1-spasticity (muscle tightness that makes movement), 2-dyskinesia (muscle imbalance), and 3-ataxia (muscle incoordination problems). People suffering from dyskinetic CP have problems controlling the movements of their hands and arms. The left motor cortex is known to control the movements of the right side of the body, while the right side of the motor cortex controls the movements of the left side of the body. In consequence, it is expected that a person with CP who has movement problems to control their right arm and hand is affected in the left motor cortex.
Answer:
I think A. bc it is the only logical reason in my American mind lol
Explanation:
lol hope this helps :)
have a good one yall :)
im brooke btw :)
