Which of the following statements is true about the period of the zygote?
A) It lasts from implantation to the eighth week of pregnancy.
B) During this period, the primitive brain and spinal cord appear.
C) During this period, the blastocyst burrows into the uterine lining.
D) It spans the first and second trimester of pregnancy.
C
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Marita is always complaining to her kindergarten teacher and her classmates. If she does not
modify her behavior, she will most likely a. not learn impulse control. b. suffer peer rejection. c. develop a shy personality. d. become popular in class.
Anthony's grandfather puts his index finger in Anthony's hand; Anthony curls his whole hand around his grandfather's finger. What reflex is Anthony demonstrating?
A) the Moro reflex B) the rooting reflex C) the holding reflex D) the grasping reflex