What causes asthma?
select one:
a. bacteria that are resistant to antibiotics infect t...
Biology, 28.01.2020 06:31 janetshirinyan
What causes asthma?
select one:
a. bacteria that are resistant to antibiotics infect the body.
b. particular antigens trigger muscle contractions that make it difficult to breathe.
c. antibodies and cytotoxic t cells attack cells in the lining of the heart.
d. antibodies and cytotoxic t cells attack cells in the tissues of the lungs.
what causes asthma?
select one:
a. bacteria that are resistant to antibiotics infect the body.
b. particular antigens trigger muscle contractions that make it difficult to breathe.
c. antibodies and cytotoxic t cells attack cells in the lining of the heart.
d. antibodies and cytotoxic t cells attack cells in the tissues of the lungs.
how do some human white blood cells destroy pathogenic bacteria?
select one:
a. producing toxins that compete with bacterial toxins
b. inserting part of their dna into the bacterial cells
c. engulfing and digesting the bacteria
d. causing mutations in the bacteria
which of the following describes your immune system's specific defenses?
select one:
a. they respond to a general threat of infection.
b. they respond to a particular pathogen.
c. they include fever and inflammation of the infection site.
d. all of the above
the immune response produced by virus infected cells that other cells resist viral infection, and are often used in fighting other diseases, is known as
select one:
a. interferon.
b. an antigen.
c. a receptor protein.
d. an antibody.
which of the following is the body's most important nonspecific defense?
select one:
a. spleen
b. liver
c. skin
d. white blood cells
people that are allergic to bee stings can suffer a very serious reaction known as anaphylactic shock. this condition results from
select one:
a. mucous production and inflammation of the tissues of the nasal passages.
b. the production of antihistamines that prevent mast cells from transporting oxygen to other body cells.
c. delayed hypersensitive reaction to the allergen.
d. the release of histamine, which restricts breathing and affects blood pressure.
what is one effect of a fever?
select one:
a. it speeds up the growth of parasites.
b. it decreases the rate of chemical reactions.
c. it decreases the heart rate.
d. it slows or stops the growth of some pathogens.
next
Answers: 3
Biology, 22.06.2019 01:00
Works together in the synthesis, modification, packaging, and transport of lipids and proteins
Answers: 1
Biology, 22.06.2019 02:30
Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe
Answers: 1
Biology, 22.06.2019 11:40
Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above
Answers: 1
Biology, 22.06.2019 13:20
Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome
Answers: 1
Mathematics, 20.05.2021 03:20
Mathematics, 20.05.2021 03:20
Mathematics, 20.05.2021 03:20
Mathematics, 20.05.2021 03:20
History, 20.05.2021 03:20
Mathematics, 20.05.2021 03:20
Mathematics, 20.05.2021 03:30
Mathematics, 20.05.2021 03:30
Mathematics, 20.05.2021 03:30
Mathematics, 20.05.2021 03:30
Mathematics, 20.05.2021 03:30
Chemistry, 20.05.2021 03:30
English, 20.05.2021 03:30
Mathematics, 20.05.2021 03:30