During the period of the embryo, the __________ becomes the __________.
- A. mesoderm; nervous system, lungs, internal organs, and skin
- B. chorion; endocrine system, muscles, placenta, and skeleton
- C. ectoderm; circulatory system, skin, skeleton, and internal organs
- D. endoderm; digestive system, lungs, urinary tract, and glands
Correct Answer: D
Rationale: During the period of the embryo, the endoderm becomes the digestive system, lungs, urinary tract, and glands. The endoderm is one of the primary germ layers that give rise to various internal organs in the developing embryo. It plays a crucial role in the formation of organs such as the digestive system, respiratory system, and glandular structures.
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Dr. Wu observes children's responses to bullying by watching them play in a park. This is an example of a(n) __________.
- A. ethnographic study
- B. naturalistic observation
- C. structured observation
- D. clinical interview
Correct Answer: B
Rationale: Dr. Wu's observation of children's responses to bullying by watching them play in a park is an example of naturalistic observation. Naturalistic observation involves observing behavior in a natural setting without any manipulation or intervention. Dr. Wu is simply observing the children's behavior in a real-world setting to gain insights into how they respond to bullying, making it a naturalistic observation.
During her labor, Renee asks for a mild dose of painkillers to help her relax. Renee will probably be given __________.
- A. an anesthetic
- B. an analgesic
- C. folic acid
- D. an anti-inflammatory medication
Correct Answer: B
Rationale: Renee will likely be given an analgesic during her labor to help manage her pain and provide relaxation. Analgesics are painkillers that can help reduce pain without causing loss of consciousness, making them suitable for labor pain management. Examples of analgesics commonly used during labor include opioids like morphine and non-opioids like acetaminophen.
Increasingly, researchers __________.
- A. assume that development stops at adolescence
- B. view old age as a period of decline
- C. view heredity as more influential than the environment
- D. see development as a perpetually ongoing process
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.
The __________ reflex helps a newborn find the nipple.
- A. rooting
- B. Moro
- C. Babinski
- D. tonic neck
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.
Which of the following is a situational barrier to seeking early prenatal care?
- A. psychological stress
- B. difficulty arranging transportation
- C. ambivalence about the pregnancy
- D. demands of taking care of other young children
Correct Answer: B
Rationale: Difficulty arranging transportation can be a situational barrier to seeking early prenatal care because it can prevent pregnant individuals from being able to physically get to their healthcare provider for appointments. This barrier may make it challenging for individuals to access the necessary prenatal care and support for a healthy pregnancy.