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ATI RN · Growth and development · Human Growth and Development Final Exam Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

__________ increases tenfold from the twentieth week until birth.

A. Amniotic fluid

B. Brain weight

C. Fetal length

D. Neuron production

Correct Answer: Brain weight

Question 2 of 5

During which period does the germinal period occur?

A. Occurs during the second trimester of pregnancy

B. Lasts about six weeks

C. Lasts about two weeks

D. Is the final period of a 38-week pregnancy

Correct Answer: Lasts about two weeks

Question 3 of 5

What is the function of the amniotic fluid?

A. Delivers food and oxygen to the developing organism

B. Helps keep the temperature of the prenatal world constant

C. Delivers nutrients and removes waste products

D. Produces blood cells until the organs are mature enough to take over this function

Correct Answer: Helps keep the temperature of the prenatal world constant

Question 4 of 5

During prenatal development, the ectoderm becomes the __________.

A. muscles and skeleton

B. nervous system and skin

C. circulatory system and other internal organs

D. digestive system, lungs, urinary tract, and glands

Correct Answer: nervous system and skin

Question 5 of 5

During the second month of pregnancy, __________.

A. the umbilical cord first appears as a primitive body stalk

B. touch sensitivity extends to most of the body

C. the heart develops separate chambers

D. the heartbeat can be heard through a stethoscope

Correct Answer: the heart develops separate chambers