Free NCLEX-RN Exam Braindumps (page: 246)

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What specific hormone must be present in serum or urine laboratory tests used to diagnose pregnancy?

  1. Human chorionic gonadotropin
  2. Estrogen
  3. -fetoprotein
  4. Sphingomyelin

Answer(s): A

Explanation:

(A) Human chorionic gonadotropin is the biochemical basis for pregnancy tests. It is produced by the placenta to help maintain the corpus luteum. Its levels climb rapidly following conception, peaking at about 8 weeks and then gradually decreasing to low levels after 16 weeks. (B) Estrogen does steadily rise throughout pregnancy, increasing to 30 times that of prepregnancy levels. Although estrogen levels do change during pregnancy, it is not used as the main hormone of evaluation in pregnancy tests. (C) -Fetoprotein is the major protein in the serum of theembryo. It is initially produced by the yolk sac. (D) Lecithin and sphingomyelin are two phospholipids of which fetal lung surfactant is composed. Levels are evaluated to determine fetal lung maturity.



What specific hormone must be present in serum or urine laboratory tests used to diagnose pregnancy?

  1. Human chorionic gonadotropin
  2. Estrogen
  3. -fetoprotein
  4. Sphingomyelin

Answer(s): A

Explanation:

(A) Human chorionic gonadotropin is the biochemical basis for pregnancy tests. It is produced by the placenta to help maintain the corpus luteum. Its levels climb rapidly following conception, peaking at about 8 weeks and then gradually decreasing to low levels after 16 weeks. (B) Estrogen does steadily rise throughout pregnancy, increasing to 30 times that of prepregnancy levels. Although estrogen levels do change during pregnancy, it is not used as the main hormone of evaluation in pregnancy tests. (C) -Fetoprotein is the major protein in the serum of theembryo. It is initially produced by the yolk sac. (D) Lecithin and sphingomyelin are two phospholipids of which fetal lung surfactant is composed. Levels are evaluated to determine fetal lung maturity.



The mother of a 7-year-old mental health center client reports that the client has refused to attend gymnastics for the past 2 weeks. Prior to that time, the child liked going to this class and was attending 3 times a week. In talking with the client, the nurse would:

  1. Ask her why she doesn't like gymnastics anymore
  2. Ask her to describe how things were at gymnastics before she started refusing to go
  3. Tell her that it is OK to be afraid of this activity
  4. Reassure her that things will get better once she begins the classes again

Answer(s): B

Explanation:

(A) The child has not said that she dislikes gymnastics. (B) The nurse will be able to obtain information on what events occurred at gymnastics prior to her refusal to attend. The nurse will also gain information about the child's perception of the problem. (C) The child has not said she is afraid to go to gymnastics. (D) False reassurance is inappropriate.



The mother of a 7-year-old mental health center client reports that the client has refused to attend gymnastics for the past 2 weeks. Prior to that time, the child liked going to this class and was attending 3 times a week. In talking with the client, the nurse would:

  1. Ask her why she doesn't like gymnastics anymore
  2. Ask her to describe how things were at gymnastics before she started refusing to go
  3. Tell her that it is OK to be afraid of this activity
  4. Reassure her that things will get better once she begins the classes again

Answer(s): B

Explanation:

(A) The child has not said that she dislikes gymnastics. (B) The nurse will be able to obtain information on what events occurred at gymnastics prior to her refusal to attend. The nurse will also gain information about the child's perception of the problem. (C) The child has not said she is afraid to go to gymnastics. (D) False reassurance is inappropriate.



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