The following research on the origin of sexual orientation is true except:
a. the origin still remains unclear.
b. having gay/lesbian parents is linked to increased incidence of homosexuality of the children.
c. prenatal hormones can affect the brain in animals.
d. genes may play a role.
B
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Full-range-of-motion spine exercises performed soon after waking can lead to injury because
A) coordination is lower. B) circulation is reduced. C) disks are full of fluid. D) core muscles are stiff.
Experts believe the _____ of sleep are the most vital for well-being on an 8 hour per night sleep schedule
a. first 2 hours b. middle 2 hours c. first and last hour d. last 2 hours
Mild-to-severe chest pain caused by ischemia of the myocardium is called ________
A) cardiomegaly B) a myocardial infarction C) a bruit D) angina pectoris
A clot attached to a diseased blood vessel or heart lining is called a ________.
Fill in the blank(s) with the appropriate word(s).