Nokea
What does breast milk provide in addition to nourishment for the infant?
- A. Maternal antibodies
- B. Stimulus for red blood cell production
- C. Endorphins that soothe the infant
- D. Hormones that stimulate growth
Correct Answer: A
Rationale: Breast milk provides maternal antibodies to the infant that give the child acquired immunity from some diseases for several months.
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What will the nurse state based on an understanding of changes associated with puberty?
- A. Your daughter will have her first period.'
- B. You'll recognize puberty by the mood swings.'
- C. The child becomes interested in the opposite sex.'
- D. Secondary sex characteristics, such as pubic hair, appear.'
Correct Answer: D
Rationale: Puberty begins when the secondary sex characteristics appear.
What signifies the end of puberty for a male?
- A. Facial hair is evident.
- B. Erections can be sustained.
- C. Ejaculate is greater than 5 mL.
- D. Mature sperm are formed.
Correct Answer: D
Rationale: Puberty ends for a male when mature sperm are formed by the testes.
What correct information will the nurse provide?
- A. Fertilization of an ovum requires penetration by several sperm.'
- B. An ovum must be fertilized within 24 hours of ovulation.'
- C. It takes 4 to 5 days for sperm to reach the fallopian tubes.'
- D. Sperm live for only 24 hours following ejaculation.'
Correct Answer: B
Rationale: After ovulation, the egg lives for only 24 hours. Sperm must be available during that time if fertilization is to occur.
When describing the female reproductive tract to a pregnant woman, the nurse would explain that which uterine layer is involved in implantation?
- A. Perimetrium
- B. Endometrium
- C. Myometrium
- D. Internal os
Correct Answer: B
Rationale: The endometrium is the inner mucosal layer of the uterus that is governed by cyclical hormonal changes. It is functional during menstruation and during the implantation of a fertilized ovum.
What is the nurse's best response?
- A. Worrying is not the answer.'
- B. I will talk to the pediatrician about a gynecological referral.'
- C. I can only discuss this with your daughter.'
- D. Early cycles are often irregular.'
Correct Answer: D
Rationale: Early cycles are often irregular and may be anovulatory. Regular cycles are usually established within 6 months to 2 years of the menarche.