The human body is capable of defeating a wide range of viruses; however, HIV is universally fatal. What characteristic of HIV seems responsible for its lethal effect?
a) The virus directly attacks heart muscle.
b) It attacks the bones, leading to multiple fractures.
c) The virus attaches to neurons, reducing the ability to transmit signals.
d) Rapid mutation of HIV makes it difficult for the immune system to defeat its action.
D
Psychology
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a) occurs during the first two weeks after fertilization. b) occurs from 2 to 8 weeks after fertilization. c) occurs from approximately 8 weeks after fertilization to birth. d) occurs from 7 to 10 weeks after fertilization.
Psychology
Individuals who do not believe that they can change are
a. more open to learning b. less willing to confront challenges c. better able to bounce back from failure d. better able to face challenges
Psychology