which statement about a blastocyst is true
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ATI RN

Human Growth and Development Exam Questions

1. Which statement about a blastocyst is true?

Correct answer: C

Rationale: The statement that is true about a blastocyst is that between the seventh and ninth days, it burrows deep into the uterine lining. This process, known as implantation, is essential for the blastocyst to establish a connection with the mother's body and receive nutrients for further development. It is a critical stage in prenatal development and sets the foundation for pregnancy. Choices A, B, and D are incorrect. A blastocyst is not a single cell but rather a structure composed of many cells. It is not a structure that feeds the developing organism; instead, it implants in the uterine lining to receive nutrients. It is not a membrane that regulates temperature but plays a crucial role in the initial stages of pregnancy by implanting in the uterus.

2. The __________ reflex helps a newborn find the nipple.

Correct answer: A

Rationale: The rooting reflex is the correct answer. This reflex helps a newborn baby find the nipple by turning their head and opening their mouth when their cheek is stroked or touched. This is crucial for the baby to locate and latch onto the mother's breast for feeding. The rooting reflex typically disappears around 4 months of age.

3. Increasingly, researchers __________.

Correct answer: D

Rationale: Increasingly, researchers see development as a perpetually ongoing process. This perspective emphasizes that development continues throughout the lifespan, rather than stopping at a particular age like adolescence. Researchers now focus on understanding how individuals change and grow over time, recognizing that development is a lifelong journey influenced by both biological and environmental factors.

4. According to Erikson, the major personality attainment of adolescence is __________.

Correct answer: B

Rationale: According to Erikson's theory of psychosocial development, the major personality attainment of adolescence is identity. During adolescence, individuals go through a stage called 'Identity vs. Role Confusion,' where they explore different roles and develop a sense of self. Trust (choice A) is associated with the first stage of Erikson's theory, autonomy (choice C) is linked to the toddler stage, and intimacy (choice D) is a key aspect of the young adulthood stage.

5. Dr. Anodyne found a correlation of +.49 between illegal drug use and levels of adolescent delinquency. This correlation is __________ and __________.

Correct answer: A

Rationale: The correlation of +.49 indicates a moderate strength of relationship between illegal drug use and levels of adolescent delinquency. The positive correlation indicates that as one variable (illegal drug use) increases, the other variable (adolescent delinquency) also tends to increase.

Similar Questions

Which statement about the Nurse-Family Partnership is true?
Despite growing up in a rundown neighborhood, having divorced parents, and rarely seeing her father, Betty is a successful, happy, and healthy adult. Betty's ability to adapt effectively in the face of threats to development is known as __________.
What is a major disadvantage of cross-sectional research?
A 20-week-old fetus can __________.
An inadequate diet during pregnancy can __________.

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