When receiving x rays, individuals wear a lead
shield over major organs in order to limit the
body’s exposure to radiation. one reason for this
procedure is to
(1) protect the patient against broken bones
(2) prevent mutations in gametes
(3) improve circulation in the patient
(4) increase the chance of a change in dna

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.