The leukocytes that produce antibodies to fight foreign toxins are known as __________; the leukocytes that have important antiviral and antitumor functions are known as __________.
A. B-cells; T-cells
B. T-cells; B-cells
C. B-cells; natural killer cells
D. natural killer cells; T-cells
Answer: C
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One of the best ways to increase the proportion of minority groups in the workplace is to:
a. lower the educational requirements for many jobs b. raise the educational level of minority students c. provide more high-tech jobs in the workplace d. encourage minority students to take jobs in manufacturing
Meta-analyses indicate that several traits differentiate excellent leaders from poor leaders. Intelligence is one of the traits and _______ is another.
A) cooperation B) extraversion C) calmness D) masculinity
Which of the following consists of exercises designed to increase self-awareness and to build trust and confidence in others?
a. Gestalt therapy b. rational therapy c. sensitivity groups d. encounter groups
Galileo made significant improvements to the sector. This instrument evolved into others such as the ____
a. single-lens microscope c. abacus b. compound microscope d. slide rule