Question 41. Where are Peyer's patched located in the body?

		Throughout the body.
		Large intestine.
		Small intestine.
		Oral cavity.

QUESTION 42

1. The thymus gland increases in size as we age.

   True

   False

2 points   

QUESTION 43

1. Which type of COVID-19 antibodies are clinicians interested indetecting in recovered patients?

   		IgE.
   		IgD.
   		IgA.
   		IgG.

2 points   

QUESTION 44

1. Which type of immunity would occur from a vaccine for COVID-19based on its genetic sequence?

   		Naturally acquired active immunity.
   		Naturally acquired passive immunity.
   		Artificially acquired active immunity.
   		Artificially acquired passive immunity.

2 points   

QUESTION 45

1. Which describes the ability of an antibody to bind pathogeniccomponents of toxins and block its toxic effects?

   		Inflammation.
   		Opsonization.
   		Neutralization.
   		Agglutination.

2 points   

QUESTION 46

1. Which cell secrete antibodies?

   		Plasma cells.
   		T cells.
   		Dendritic cells
   		Antigen-presenting cells.

2 points   

QUESTION 47

1. All are cardinal signs of inflammation EXCEPT:

   		Swelling.
   		Heat.
   		Pain.
   		Bruising.

2 points   

QUESTION 48

1. Class II MHC molecules are only found on the surfaces ofantigen-presenting cells.

   True

   False

2 points   

QUESTION 49

1. Which are a group of 30 plasma antimicrobial proteins that areactivated in a series of enzymatic reactions?

   		Complement.
   		Interferons.
   		Immunoglobulins.
   		Lysozymes.

2 points   

QUESTION 50

1. Which type of cells are reduced in AIDS?

   		Helper T cells.
   		Cytotoxic T cells.
   		Memory T cells.
   		B cells.