Last year the maternity wing of Cedar Glen Hospital celebrated 1,000 births. How many of these events celebrated identical twins?
A. 1
B. 2
C. 4
D. 8
Answer: C
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When the heart begins to beat in the developing embryo,
a. it is usually during the fourthweek after conception. b. the organism weighs a fraction of an ounce. c. the organism is only two to three inches in length. d. the endoderm is fusing with the ectoderm.
A significant body of research indicates ____ for exam stress; large scale disasters; loss of a spouse; response to viral challenge including herpes simplex, Epstein Barr, HIV, and cold virus; and long-term caregiving by loved ones of persons with dementia. a. immune system growth c. increased growth of phagocytes b. immune system suppression d. immune dysregulation
Fill in the blank(s) with correct word
Both encoding and retrieval together influence memory performance in ______.
A. depth-of-processing effects B. environmental-dependent effects C. mood-dependent effects D. transfer-appropriate processing
If the fetus has the sex chromosomes XX, its genotype is ____
a. female b. male c. undetermined d. dimorphic