Severe acute respiratory syndrome (SARS) is caused by a virus from this family.
Question 50 options:
Coronaviridae
Paramyxoviridae
Retroviridae
Picornaviridae
SaveQuestion 51 (1 point)
The ______________ immune system responds to foreign invaders (such as bacteria and viruses) with a nonspecific, or generalized, attack.
Question 51 options:
Adaptive
Innate
Generalized
Natural
SaveQuestion 52 (1 point)
Phagocytic cells, inflammation and fever are all part of this stage of the immune response.
Question 52 options:
second line of the adaptive immune response
first line of the innate immune response
third line of the adaptive immune response
second line of the innate immune response
SaveQuestion 53 (1 point)
The skin helps to protect us by producing sebum. How does this protect us?
Question 53 options:
sebum contains fatty acids that inhibit the growth of certain microbes.
robs microbes of moisture they need to survive.
providing a slick environment which impedes binding of microbes to skin cells.
all of the above answers are correct.
SaveQuestion 54 (1 point)
Tears, saliva, and urine contain lysozyme which degrades __________ in Gram __________ bacteria
Question 54 options:
phospholipids, positive
peptidoglycan, negative
peptidoglycan, positive
phospholipids, negative
SaveQuestion 55 (1 point)
This is another terms for white blood cells.
Question 55 options:
lymphocytes
neutrophils
leukocytes
B cells and T cells
SaveQuestion 56 (1 point)
These immune cells are found in the blood, spleen, lymph nodes, and bone marrow, fighting tumor and viral infected cells by releasing enzyme-filled granules and inducing apoptosis.
Question 56 options:
B cells
Antibodies
Natural killer cells
Basophils
SaveQuestion 57 (1 point)
Which of the following is a result of complement activation in the body during an infection?
Question 57 options:
opsonization
cell lysis
inflammation
all of these are possible outcomes of complement activation
SaveQuestion 58 (1 point)
These cells are responsible for secreting large amounts of antibodies into circulation.
Question 58 options:
T cells
Macrophages
Plasma cells
Natural killer cells
SaveQuestion 59 (1 point)
Which of the following is NOT a way in which antibodies function in the body.
Question 59 options:
opsonization
neutralization
activation of complement
activation of cytotoxic T cells
SaveQuestion 60 (1 point)
This type of immunity occurs when a vaccine is given to an individual.
Question 60 options:
Naturally acquired active immunity
Artifically acquired active immunity
Artifically acquired passive immunity
Naturally acquired passive immunity
SaveQuestion 61 (1 point)
All bacterial cells have a peptidoglycan cell wall.
Question 61 options:
True
False
SaveQuestion 62 (1 point)
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