Match each term with its definition
a. seroconversion f. T-lymphocytes
b. chancre g. protozoa
c. bacteria h. parasites
d. viruses i. prodromal
e. B-lymphocytes j. scabies
1. white blood cell that produces antibodies to destroy foreign cells
2. painless sore that occurs at the site of syphilis infection
3. an infestation by mites that burrow into the skin
4. single-celled microorganisms that can cause infection in humans
5. creatures that depend upon a host organism to survive
6. point at which antibodies to an illness, such as HIV, are detectable
7. group of white blood cells involved in cell-mediated immunity
8. single-celled animals, which are more complex than bacteria
9. submicroscopic infectious agents that need a host to grow and reproduce
10. set of symptoms that occur before the onset of an attack or disease
1. ANS: E
2. ANS: B
3. ANS: J
4. ANS: C
5. ANS: H
6. ANS: A
7. ANS: F
8. ANS: G
9. ANS: D
10. ANS: I
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Researchers have found a clear association between marital dissolution and _______.
a) negative affectivity b) positive affectivity c) positive emotionality d) negative neuroses
Which partner is the most over-benefited from the relationship with Andrew? Who is the most under-benefited?
Andrew is currently involved in four casual dating relationships. In each relationship, he makes 10 contributions and receives 20 benefits. Below are the contributions and benefits experienced by his four partners: Partner A makes 10 contributions and receives 30 benefits Partner B makes 20 contributions and receives 20 benefits Partner C makes 5 contributions and receives 10 benefits Partner D makes 15 contributions and receives 5 benefits a) Partner D; Partner B b) Partner A; Partner D c) Partner C; Partner A d) Partner B; Partner C
________ play a critical role in our immune systems by coordinating the actions of other immune system cells.
A. Memory cells B. Goblet cells C. Red blood cells D. T-cells E. Epithelial cells
According to research on the frequency of marital intercourse, _____.
A. the frequency of intercourse tends to decline with age B. an individual's race and religion influences sexual frequency to a great extent C. cohabiting couples have intercourse less frequently than married couples D. the frequency of marital sex has increased sharply since the 1940s