Immunology - 05

Question 1

What are the symptoms of inflammation?

Answer 1

• rubor (redness)
• calor (heat)
• dolor (pain)
• tumor (swelling)

Question 2

What are the functions of inflammation?

Answer 2

• To remove or limit the spread of the injurious agent

* repair tissue and cleanup damage

Question 3

What is the process by which we get fever?

Answer 3

1 - IL-1 secreted by phagocytes travels in blood to hypothalamus
2 - hypothalamus secretes prostaglandin, which resets hypothalamic thermostat
3 - nerve impulses cause shivering, higher metabolic rate, inhibition of sweating, and vasoconstriction
4 - these increase body temperature to the point set by the hypothalamic thermostat

Question 4

Is fever considered part of the localized immune response or the systemic arm?

Answer 4

The systemic arm. It is an acute phase response

Question 5

Is the adaptive immune response specific to a given antigen?

Answer 5

Yes

Question 6

What cells are involved in the immune response? And what is a common feature among these cells?

Answer 6

• Macrophages
• dendritic cells
• granulocytes
• B lymphocytes
• T lymphocytes
• NK cells

The common feature is that they all come from the same progenitor cell

Question 7

What does the common myeloid precursor give rise to?

Answer 7

• Monocytes
• macrophages
• mast cells
• dendritic cells

All start with the letter M except dendritic cells

Question 8

What does the common lymphoid precursor give rise to?

Answer 8

• B cells
• T cells
• NK cells