Pupil diameter

a. does not change

b. adjusts to the temperature of the external environment.
c. responds only to the amount of light present in the environment.
d. responds to the amount of light present in the environment as well as the organism's emotional state.

d

Psychology

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What prenatal technique uses high-frequency waves to examine the characteristics of the fetus in-utero?

a. amniocentesis b. chorionic villus sampling c. alphafetal protein d. ultrasound

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Assess the issues which make the practice of abusing heroin dangerous and potentially deadly. Would these issues be resolved if heroin use was considered medicinal (similar to medical marijuana)? Why or why not?

What will be an ideal response?

Psychology