Which of the following would result in mental retardation after an excess of an amino acid?

A. Phenylketonuria
B. Huntington's disease
C. Sickle-cell anemia
D. Tay-Sachs disease

Answer: A

Psychology

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The subjects of the vast majority of clinical trials are

A) human volunteers. B) rats. C) mice. D) monkeys. E) genes.

Psychology

Natalia, who suffers from epilepsy, experiences a seizure in which she completely loses consciousness, stops breathing, and thrashes about uncontrollably. Natalia experienced which type of seizure?

a. ?partial tonic-clonic b. ?partial myoclonic c. ?generalized tonic-clonic d. ?generalized myoclonic

Psychology