Which of the following regarding cancer is TRUE?
a. It is a group of diseases.
b. It is a disease with higher mortality rates among European Americans compared to African Americans.
c. The incidence rates for all cancers combined has increased from 1900 through 2004.
d. The different types of cancers have remarkably similar incidence and mortality rates..
D
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Which of the following is probably not a biological cause of affective disorders?
A. Imbalances in the brain's neurotransmitters B. Abnormally low levels of the stress hormone cortisol C. Defects in brain regions involved in mood D. Malfunctions of the endocrine system
_____________ ensures that a child receives 23 chromosomes from each parent
A) Meiosis B) Crossing over C) Mitosis D) Nonshared environment
Teenage parents are likely to
A) exhibit a supportive and caring parenting style. B) provide stimulating environments for their infants. C) be empathetic and patient with their infants. D) have unrealistic expectations for their infants.
Nicotinic and muscarinic receptors are two types of ___ receptors
A) tobacco B) serotonin C) acetylcholine D) dopamine