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Human Growth and Development Exam 1

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ATI RN
Growth And Development
Human Growth and Development Exam 1

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Question 1 of 50

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:

Rationale:

Question 2 of 50

During Irina's first week of pregnancy, __________.

A. heart muscles begin to develop

B. the zygote multiplies and forms a blastocyst

C. a primitive brain and spinal cord appear

D. the embryo can move

Correct Answer:

Rationale:

Question 3 of 50

During pregnancy, the placenta __________.

A. forms in the second trimester of pregnancy

B. encloses the developing organism in amniotic fluid

C. contains one large vein that delivers nutrients to the embryo

D. delivers food and oxygen to the developing organism

Correct Answer:

Rationale:

Question 4 of 50

Jalynn is in the last half of the first month of her pregnancy. Which of the following is developing the fastest?

A. circulatory system

B. endocrine system

C. nervous system

D. skin

Correct Answer:

Rationale:

Question 5 of 50

Katie wonders when she will first be able to hear her fetus's heartbeat through a stethoscope. You tell her that this should happen by the __________.

A. fourth week of pregnancy

B. third month of pregnancy

C. end of the second trimester

D. beginning of the third trimester

Correct Answer:

Rationale:

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