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NUR 257 ( LATEST 2024 / 2025 ) EXAM 1 | COMPLETE QUESTIONS & ANSWERS (SOLVED) 100% CORRECT
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NUR 257 ( LATEST 2024 / 2025 ) EXAM 1 | COMPLETE QUESTIONS & ANSWERS (SOLVED) 100% CORRECT
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NUR 257 Exam 11. immunity
Answer
The body's specific protective response to foreign agent or organisms
- Resistance to disease, specifically infectious disease
2. Immunopathology
Answer
the study of diseases that results from dysfunction of the immune system
3. Components of the immune system
Answer
Bone marrow
T cells and
B cells Lymphoid tissue
spleen and lymph nodes
4. True/False Immunity refers to the body's nonspecific protective response to an invading
foreign agent or organism
Answer
False
,- Immunity refers to the body's specific protective response to an invading foreign agent or
organism
5. B lymphocytes mature in the .
Answer
bone marrow
6. T lymphocytes mature in the .
Answer
Thymus, where they also differentiate into cells with various functions
7. Functions of the immune system
Answer
To remove foreign antigens such as viruses and bacteria to maintain homeostasis
- Phagocytosis
- Inflammatory response
8. Phagocytosis
Answer
Monocytes are responsible for engulfing and destroying foreign bodies and toxins
9. Inflammatory response
Answer
nonspecific defense reaction to tissue damage caused by injury, infection, or invading organisms
,10. Inflammatory response process
Answer
Chemical mediators minimize blood loss, wall off invading organisms, activate phagocytes,
promote formation of scar tissue, and regeneration of injured tissue.
11. Natural immunity
Answer
Nonspecific response to any foreign invader
- White blood cell action
- Inflammatory response
- Physical barriers
12. White blood cell action
Answer
Release cell mediators such as histamine, bradykinin, and prostaglandins and engulf
(phagocytize) foreign substances.
13. Physical barriers
Answer
Intact skin, chemical barriers, and acidic gastric secretions or enzymes in tears and saliva.
14. Aquired immunity
, Answer
Specific against a foreign antigen
- Result of prior exposure to an antigen
- Active or passive
15. Active immunity
Answer
- Immunologic defenses developed by person's own body
- Lasts many years, may last a lifetime
16. passive immunity
Answer
- Temporary
- Results from transfer of a source outside of the body that has developed immunity
through previous disease or immunization
- Examples
Transfer of antibodies from mother to infant through breast feeding; receiving immune globulin
through injections
17. Which leukocytes are associated with inflammation?
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