The pesticide DDT is a type of:
a. organophosphate.
b. organochlorine.
c. chlordane.
d. petrochemical.
B
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The process that results in fertilization of an ovum in a laboratory dish is called
A. artificial (intrauterine) insemination. B. in vitro fertilization. C. laparoscopic fertilization. D. surrogate pregnancy.
When a skeletal muscle is attached to two bones, the more movable of the bones is located where the muscle ends and is called the:
A) insertion. B) action. C) origin. D) tendon.
Dr. Dean Ornish views ____ as a risk factor for heart disease that is equally as important as high cholesterol levels or obesity
a. isolation b. worrying c. anger d. grief e. poverty
The sinoatrial node, the atrioventricular node, and the atrioventricular bundle are specialized ________ tissues of the heart
A) endocardial B) myocardial C) neuromuscular D) pericardial