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11 Aug 2018

11. Which type of immunityoccurs as a response to illness or vaccination?

Acquired active

Acquired passive

Natural


12. What are the uniquecharacteristics of the immune system?

repository, recognition, defense

self recognition, specificity, memory

interception, defense, notification

specificity, memory, defense


13. Which of the followingis not one of the three unique characteristics ofthe immune system?

memory

sensitivity

specificity

self-recognition


14. Which of the followingis an age related change associated with the immune system?

Increase in the number of macrophages and monocytes

The thymus continues to produce the same number of T cells withage

The rate of B-cell production declines with age

Immune memory declines with aging


15. A decrease in ________secretion causes a lowering of blood volume and blood pressure andan increase is body osmotic pressure.

FSH

GH

LDH

T3

ADH


16. Which of the followingstatements regarding antibodies is true?

they destroy antigens by engulfing them

IgA activates the complement system

IgE antibodies release histamine and cause inflammation

Antibodies are manufacture and by platelets


17. Which condition causesautoimmune damage to receptors for acetylcholine at theneuromuscular junction?

Multiple sclerosis

Rheumatoid arthritis

Myasthenia gravis

Crohn's disease


18. Which is true inregards to Immune memory?

the number of memory cells increase with age due to the fact thebody has been exposed to numerous antigens throughout life

the strength of the memory cells is not altered with aging butthe speed in which the memory cells responds decreases with age

the function of the memory cells is not really altered until thepatient reaches approximately eighty years of age

less decline in the ability to maintain memory that was producedduring youth or young adulthood, as oppose to memory that came onin older adulthood


19. All of the followingare ways to minimize the undesirable effects of aging on our immunesystem, except what?

diet low in complex carbs

regular vaccinations

seek early treatment when ill

wearing sun protection


20. Which type of immunesystem cell is formed from an unspecialized lymphocyte because ofthe influence of the thymus on the lymphocyte?

A-Cell

D-Cell

G-Cell

M-Cell

T-Cell

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Nelly Stracke
Nelly StrackeLv2
11 Aug 2018
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