
Blood Physiology Lec. 8
Dr. Basim A. Al-Ka’abi
MBChB (Medicine)
MSc, PhD (Medical Physiology)

Abnormalities of hemostasis:
• von Willebrand disease
• Hemophilia A, B and C

Abn.s of hemost. (cont’d): Vit. K deficiency:
• Effect, vit. K-dependent clotting factors
• Source of vit. K
• Causes of deficiency

Abn.s of hemost. (cont’d): Thrombocytopenia:
• Meaning
• Difference from hemophilia
• When to bleed

Immunity:
• Definition
• “Innate immunity”, mechanisms
• “Acquired immunity”, types

Humoral immunity:
• Action
• Type of cell involved
• Mechanism of antibody action


Cellular immunity:
• Type of cell involved
• Action


Types of T cells:
• Cytotoxic
• Helper
• Suppressor

Immune tolerance:
• Meaning
• Reason
• “Autoimmune disease”

Good Luck