ATI LPN
Introduction to Maternity and Pediatric Nursing 9th Edition Test Bank
Chapter 3 Questions
Question 1 of 5
What is the total number of chromosomes contained in a mature sperm or ovum?
Correct Answer: B
Rationale: Gametes (sex cells) contain 23 chromosomes.
Question 2 of 5
A pregnant woman states, 'My husband hopes I will give him a boy because we have three girls.' What will the nurse explain to this woman?
Correct Answer: D
Rationale: When a Y-bearing sperm fertilizes an ovum, a male child is produced.
Question 3 of 5
What is the most common site for fertilization?
Correct Answer: B
Rationale: Fertilization takes place in the outer third of the fallopian tube, which is closest to the ovary.
Question 4 of 5
The embryo is termed a fetus at which stage of prenatal development?
Correct Answer: C
Rationale: The fetus (third stage of prenatal development) begins at the ninth week and continues until the 40th week of gestation or until birth.
Question 5 of 5
The nurse is reviewing fetal circulation with a pregnant patient and explains that blood circulates through the placenta to the fetus. What vessel(s) carry blood to the fetus?
Correct Answer: A
Rationale: The umbilical vein transports richly oxygenated blood from the placenta to the fetus.