High-frequency antigens (like k, Kpᵇ, Jsᵇ) are present in the vast majority of the population (>99%). Antibodies against them are rare because most people have the antigen, but they can cause serious problems finding compatible blood for a patient who lacks the antigen and has formed an antibody.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Joseph Soko – 101 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies