NUR 507 /NUR 507 QUIZ 1 AND QUIZ 2 (COMBINED) QUESTIONS AND ANSWERS. LATEST 2020/21. A+ GRADED. CHAMBERLAIN COLLEGE OF NURSING. Once they have penetrated
... [Show More] the first line of defense, which microorganisms do neutrophils actively attack, engulf, and destroy by phagocytosis? (Points : 2)
Bacteria
Which statement is true about fungal infections? (Points : 2) They occur only on skin, hair, and nails.
What of the following remains a significant cause of morbidity and mortality worldwide? (Points : 2)
Infectious disease
What is the role of reverse transcriptase in HIV infection? (Points : 2)
It converts RNA into double-stranded DNA.
Cells in
may act as a reservoir in which HIV can be relatively protected from antiviral
drugs. (Points : 2)
the central nervous system
After sexual transmission of HIV, a person can be infected yet seronegative for (Points : 2)
months.
6 to 14
The class of antibody involved in type I hypersensitivity reactions is (Points : 2)
IgE.
During an IgE-mediated hypersensitivity reaction, what causes bronchospasm? (Points : 2)
Deficiencies in which element can produce depression of both B- and T-cell function? (Points : 2)
Zinc
In which primary immune deficiency is there a partial to complete absence of T-cell immunity? (Points : 2)
DiGeorge syndrome
What mechanism occurs in Raynaud phenomenon that classifies it as a type III hypersensitivity reaction? (Points : 2)
Immune complexes are deposited in capillary beds, blocking circulation.
In a type II hypersensitivity reaction, when soluble antigens from infectious agents enter circulation, tissue damage is a result of (Points : 2)
neutrophil granules and toxic oxygen products.
What is the mechanism in type II hypersensitivity reactions? (Points : 2)
Antibodies bind to the antigens on the cell surface.
Exhaustion occurs if stress continues and
is not successful. (Points : 2)
adaptation
Stress-induced norepinephrine results in (Points : 2)
peripheral vasoconstriction.
What effect does estrogen have on lymphocytes? (Points : 2)
Depression of T cells and enhancement of B cells
Which hormone increases the formation of glucose from amino acids and free fatty acids? (Points : 2)
Cortisol
Which of the viruses below are oncogenic DNA viruses? (Points : 2) Papovaviruses, adenoviruses, and herpesviruses
By what process does the ras gene convert from a proto-oncogene to an oncogene? (Points : 2)
By alternating one or more nucleotide base pairs
Which cytokine is involved in producing cachexia syndrome? (Points : 2)
Tumor necrosis factor (TNF)
In chronic myeloid leukemia (CML), a piece of chromosome 9 fuses to a piece of chromosome 22. This is an example of which mutation of normal genes to oncogenes? (Points : 2)
Chromosome translocation
Which of the following cancers originate from connective tissue? (Points : 2) Osteogenic sarcoma
Cells from a muscle tumor show a reduced ability to form new muscle and appear highly disorganized. This is an example of (Points : 2)
anaplasia.
Tobacco smoking is associated with cancers of all of the following except (Points : 2) lung.
skin. bladder. kidney. pancreas.
What percentage of children with cancer can be cured? (Points : 2)
70% (more than 80% per book)
Which statement about vaccines is true? (Points : 2)
Vaccines require booster injections to maintain lifelong protection.
Hypersensitivity is best defined as a(n) (Points : 2)
altered immunologic response to an antigen that results in disease.
A person with type O blood is likely to have high titers of anti-
(Points : 2)
antibodies.
A and B
What disease involves the deposition of circulating immune complexes containing an antibody against host DNA, resulting in tissue damage? (Points : 2)
Systemic lupus erythematosus (SLE) [Show Less]