HCA 201b Final part 2
Identify natural body defences that protect us from invasion of an unwanted substance - Answer-•
Nonspecific immunity:
• (1st line)
◦ Mechanical barriers: hair
◦ Chemical barriers: tears
◦ Reflexes: sneeze
• (2nd line)
◦ Inflammation
• Specific immunity:
◦ Antibodies
◦ Lymphocytes
Mrs. Heck is a 79-year-old woman suffering from constipation. What are measures that the HCA can
take to assist her? - Answer-◦ encourage fluid
Identify natural body defences that protect us from invasion of an unwanted substance - Answer-•
Nonspecific immunity:
• (1st line)
◦ Mechanical barriers: hair
◦ Chemical barriers: tears
◦ Reflexes: sneeze
• (2nd line)
◦ Inflammation
• Specific immunity:
◦ Antibodies
◦ Lymphocytes
Mrs. Heck is a 79-year-old woman suffering from constipation. What are measures that the HCA can
take to assist her? - Answer-◦ encourage fluid
