In 1910, what German microbiologist developed an arsenic-containing chemical that destroyed bacteria that caused syphilis and prevented paresis?

a. Sigmund Freud
b. Paul Ehrlich
c. John Haslam
d. Jean Fournier


Answer: b.

Psychology

You might also like to view...

Evaluations of Piaget's theory have suggested that:

A. children are passive participants in their cognitive development B. his stages are not as rigid as he proposed C. cognitive development should not be divided into subareas for research D. the order in which cognitive skills are acquired is not affected by culture

Psychology

In Adler's view, the main driving force in personality is a striving for _____, that is, a struggle to overcome weaknesses and a drive for competence.

A) ?enlightenment. B) ?sophistication. C) ?introspection. D) ?superiority.

Psychology

Which of these questions will best be understood receptively at the child's youngest age?

a. "Why did the alien land his flying saucer in Roswell?" b. "Did you see the alien arrive?" c. "Where did the alien's flying saucer land?" d. "Where was the alien?"

Psychology

Compare and contrast naturalistic and structured observations

What will be an ideal response?

Psychology