Nursing Elites

1. By the end of Greta's first month of pregnancy, her embryo __________.

• A. can sense its world
• B. is about ¼ inch long
• C. can suck its thumb
• D. can curl its toes

Correct answer: B

Rationale: By the end of Greta's first month of pregnancy, her embryo is about ¼ inch long. During the first month of pregnancy, the embryo is in the very early stages of development, and its size is typically around ¼ inch as it continues to grow and develop in the uterus. Choices A, C, and D are incorrect because sensory abilities like sensing the world, sucking thumb, and curling toes develop later in the pregnancy as the embryo progresses through different stages of development.

2. Which statement about prenatal marijuana exposure is true?

• A. It is linked to impulsivity and overactivity.
• B. Lasting consequences are well-established.
• C. Studies show no negative effects of exposure.
• D. It is linked to an array of physical malformations.

Correct answer: A

Rationale: The correct answer is A: 'It is linked to impulsivity and overactivity.' Prenatal marijuana exposure has been associated with impulsivity and overactivity in children based on research findings. However, lasting consequences of prenatal marijuana exposure are not as well-established compared to other teratogens. Choice B is incorrect because lasting consequences are not firmly established. Choice C is incorrect because studies have shown negative effects of prenatal marijuana exposure. Choice D is incorrect as prenatal marijuana exposure is not primarily linked to physical malformations.

3. During the third stage of labor, __________.

• A. the cervix thins to nothing
• B. uterine contractions begin
• C. the placenta is delivered
• D. the baby is born

Correct answer: C

Rationale: During the third stage of labor, the correct answer is C, the placenta is delivered. This stage occurs after the baby is born and involves the expulsion of the placenta from the uterus. Choice A is incorrect because the thinning of the cervix to nothing typically occurs during the first stage of labor. Choice B is incorrect as uterine contractions usually begin during the first stage of labor to help with the dilation of the cervix. Choice D is incorrect because the baby is typically born in the second stage of labor, not the third.

4. In his research study, Dr. Johnson gives participants false feedback about their performance. Consequently, Dr. Johnson should use __________ after the research session is over. Copyright © 2018 Laura E. Berk. All Rights Reserved. 37 Test Bank for Berk, Development Through the Lifespan, 7e

• A. informed consent
• B. a privacy statement
• C. debriefing
• D. a placebo Answer: C Page Ref: 39 Skill Level: Apply Topic: Ethics in Lifespan Research Difficulty Level: Moderate

Correct answer: C

Rationale: Dr. Johnson should use debriefing after the research session is over because giving participants false feedback may have affected them psychologically. Debriefing involves explaining the true nature of the study, including any deception that occurred, to the participants in order to protect their well-being and address any lingering concerns or misconceptions they may have. It is an important ethical practice in research to ensure participants are fully informed about the study they were involved in.

5. What is the function of the corpus luteum?

• A. is where fertilization usually takes place
• B. secretes hormones that prepare the lining of the uterus to receive a fertilized ovum
• C. is one of two long, thin structures that lead to the hollow, softly lined uterus
• D. is one of two walnut-sized organs located deep inside a woman's abdomen

Correct answer: B

Rationale: The correct answer is B. The corpus luteum is a temporary endocrine structure in the ovary that forms after ovulation. It secretes hormones, particularly progesterone, which help prepare the uterine lining for possible implantation of a fertilized ovum. This process is crucial for maintaining a potential pregnancy. Choices A, C, and D are incorrect. Choice A is inaccurate as fertilization typically occurs in the fallopian tubes. Choice C describes the fallopian tubes, not the corpus luteum. Choice D refers to the ovaries, not specifically the corpus luteum.

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