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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Which statement about prenatal rubella is true?
- A. The greatest damage occurs when rubella strikes during the fetal period.
- B. The organ damage inflicted by prenatal rubella can lead to lifelong health problems.
- C. Routine vaccination has made new rubella outbreaks extremely rare worldwide.
- D. Infection during the embryonic period is less harmful than during other prenatal periods.
Correct Answer: B
Rationale: The statement that the organ damage inflicted by prenatal rubella can lead to lifelong health problems is true. Rubella infection during pregnancy can cause serious harm to the developing fetus, including organ damage, deafness, heart defects, and intellectual disabilities. This highlights the importance of prevention and vaccination to protect both pregnant women and their unborn babies from the harmful effects of rubella.
__________ theory was the first to stress the influence of the early parentƒ¢¢â€š¬¢â‚¬â„¢child relationship on development.
- A. Darwin's
- B. Freud's
- C. Erikson's
- D. Watson's
Correct Answer: B
Rationale: Freud's theory was the first to stress the influence of the early parentƒ¢¢â€š¬¢â‚¬â„¢child relationship on development. Sigmund Freud's psychoanalytic theory emphasized the importance of the child's interactions with caregivers, particularly during the early stages of development, in shaping personality and behavior.
You can tell her that healthy women in their thirties have __________ as those in their twenties.
- A. lower rates of miscarriage
- B. higher rates of pregnancy complications
- C. lower rates of pregnancy complications
- D. about the same rates of pregnancy complications
Correct Answer: D
Rationale: Healthy women in their thirties typically have about the same rates of pregnancy complications as those in their twenties. While it is true that the risk of fertility issues and certain pregnancy complications may increase with age, generally speaking, women in their thirties who are healthy and do not have preexisting conditions do not necessarily experience higher rates of pregnancy complications compared to women in their twenties.
A 20-week-old fetus can __________.
- A. be stimulated as well as irritated by sounds
- B. survive, if born early
- C. breathe without oxygen assistance, if born early
- D. control its own body temperature
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Regarding a baby's adaptation to labor and delivery, stress hormones __________.
- A. endanger the newborn
- B. arouse the infant into alertness
- C. cause the cervix to thin and the uterine wall to contract
- D. cause the mother to breathe deeply, increasing the infant's oxygen supply
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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