NR 507 Week 1 Quiz
Question no 1
What of the following remains a significant cause of morbidity and mortality worldwide?
Question no 2
Which statement about vaccines is true?
Question no 3
After sexual transmission of HIV, a person can be infected yet seronegative for _____ months.
Question no 4
Cells in _____ may act as a reservoir in which HIV can be relatively protected from antiviral drugs.
Question no 5
Once they have penetrated the first line of defense, which microorganisms do neutrophils actively attack, engulf, and destroy by phagocytosis?
Question no 6
Which statement is true about fungal infections?
Question no 7
In a type II hypersensitivity reaction, when soluble antigens from infectious agents enter circulation, tissue damage is a result of
Question no 8
Hypersensitivity is best defined as a(n)
Question no 9
A person with type O blood is likely to have high titers of anti-___ antibodies.
Question no 10
During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
Question no 11
Deficiencies in which element can produce depression of both B- and T-cell function?
Question no 12
What is the mechanism in type III hypersensitivity reactions?
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Question no 13
What is the mechanism in type II hypersensitivity reactions?
Question no 14
Exhaustion occurs if stress continues and _____ is not successful nr 507 week 1 quiz
Question no 15
What effect does estrogen have on lymphocytes?
Question no 16
Stress-induced norepinephrine results in
Question no 17
During a stress response, increased anxiety, vigilance, and arousal is … by
Question no 18
Intestinal polyps are benign neoplasms and the first stage in development of colon cancer. These findings support the notion that
Question no 19
Which of the viruses below are oncogenic DNA viruses?
Question no 20
By what process does the ras gene convert from a proto-oncogene to an oncogene?
Question no 21
Many cancers create a mutation of ras. What is ras?
Question no 22
Which of the following represents the correct nomenclature for benign and malignant tumors of adipose tissue, respectively?
Question no 23
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?
Question no 24
Tobacco smoking is … with cancers of all of the following except
Question no 25
What congenital malformation is common to acute leukemia in children?