- انشأ بتاريخ: الثلاثاء، 23 شباط/فبراير 2016 10:58
- كتب بواسطة: Super User
- الزيارات: 110
1-Which of the following is mismatched concerning the shape of bacteria?
A) cocci - spherical
B) bacilli - octagonal
C) spirillum - spiral-shaped
D) All of the choices are correct.
2-Which of the following is a primary lymphatic organ?
A) red bone marrow
D) red bone marrow and the thymus
3-_______ are proteins produced by the body in response to a foreign substance called an _______.
A) Antigens; antibody
B) Allergies; antigen
C) Antibodies; antigen
D) Allergies; antibody
4-B cells give rise to plasma cells, which produce
D) memory cells.
5-Active immunity is dependent upon the presence of
A) memory B cells.
B) memory T cells.
D) memory B cells and memory T cells.
6-Which of the following is not a viral disease?
7-Which of the following is not a secondary lymphatic organ?
C) lymph nodes
8-Axillary lymph nodes are located
A) in the thorax.
B) in the groin.
C) under the arms.
D) above the spleen.
9-As an adult human grows older, the thymus gland
A) becomes larger.
B) becomes smaller.
C) remains the same size.
D) takes on new functions.
10-Peyer's patches are lymphatic organs associated with the
B) digestive tract.
D) respiratory system.
11-Which of the following provides a barrier that keeps pathogens from entering body tissue?
A) skin and mucous membranes
B) stomach acid
C) intestinal bacteria (normal flora)
D) skin, mucous membranes, stomach acid, and intestinal bacteria (normal flora)
12-The hallmark signs of inflammation include
C) pain and redness.
D) swelling, heat, pain, and redness.
13-Pus is formed from _______ that were destroyed defending the body against pathogens.
14-The shape of receptors on lymphocytes is complementary to a specific
C) complement protein.
15-Which pairing of antibody and location or function is correct?
A) IgA - main antibody in circulation that activates complement
B) IgM - main antibody in milk and saliva
C) IgE - antibodies responsible for allergic reactions
D) IgD - largest antibody; clumps cells
16-The _______ is very important in considering transplant surgeries.
17-__________ contain perforin molecules that punch holes in the plasma membranes of potential pathogens.
B) B cells
C) Cytotoxic T cells
18-Substances that contain an antigen to which the immune system responds are called
D) mast cells.
19-_____________ is an immediate allergic response that can be life threatening.
A) Anaphylactic shock
C) Autoimmune response
D) None of the choices are correct.
20-Human illnesses caused by an attack on tissues by the body's own antibodies and T cells are called
A) antibody diseases.
B) autoimmune diseases.
C) allergic reactions.
D) allergen diseases.