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?