The nurse caring for the pregnant patient understands that the hormone essential for maintaining pregnancy is:
Estrogen
Oxytocin
Human chorionic gonadotropin (hCG)
Progesterone
The Correct Answer is D
Choice A rationale
Estrogen is not the hormone essential for maintaining pregnancy. Estrogen is a hormone that stimulates the growth and development of the female reproductive organs, the breasts, and the placenta. Estrogen also increases the blood flow and the uterine contractility during pregnancy. However, estrogen alone is not sufficient to sustain the pregnancy, as it needs to be balanced by progesterone.
Choice B rationale
Oxytocin is not the hormone essential for maintaining pregnancy. Oxytocin is a hormone that stimulates the contraction of the uterine and the mammary glands. Oxytocin plays a role in the initiation and the progression of labor, as well as in the milk ejection during breastfeeding. However, oxytocin is not involved in the maintenance of the pregnancy, as it can cause premature labor if released too early.
Choice C rationale
Human chorionic gonadotropin (hCG) is not the hormone essential for maintaining pregnancy. hCG is a hormone that is produced by the placenta and the embryo. hCG supports the corpus luteum, which is the structure that produces progesterone in the early pregnancy. hCG also prevents the immune system from rejecting the fetus, and stimulates the production of other hormones, such as estrogen and progesterone. However, hCG is not the main hormone that maintains the pregnancy, as its levels decline after the first trimester, when the placenta takes over the production of progesterone.
Choice D rationale
Progesterone is the hormone essential for maintaining pregnancy. Progesterone is a hormone that prepares the endometrium, which is the lining of the uterus, for the implantation of the fertilized egg. Progesterone also maintains the pregnancy by preventing the uterine contractions and the immune response against the fetus. Progesterone is produced by the corpus luteum in the early pregnancy, and by the placenta in the later pregnancy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Vaginal discharge is not a finding that indicates preeclampsia. Vaginal discharge is a normal occurrence during pregnancy, as the cervix and vaginal walls soften and produce more mucus. Vaginal discharge can also indicate infections, such as yeast or bacterial vaginosis, which are not related to preeclampsia.
Choice B rationale
Elevated blood pressure is a finding that indicates preeclampsia. Preeclampsia is a condition that causes high blood pressure and proteinuria in pregnant women after 20 weeks of gestation. Preeclampsia can lead to serious complications, such as eclampsia, HELLP syndrome, and placental abruption, which can endanger the mother and the fetus. The nurse should monitor the client's blood pressure and report any readings above 140/90 mm Hg.
Choice C rationale
Joint pain is not a finding that indicates preeclampsia. Joint pain is a common complaint during pregnancy, as the hormones and weight gain cause changes in the joints and ligaments. Joint pain can also indicate other conditions, such as arthritis, gout, or lupus, which are not related to preeclampsia.
Choice D rationale
Increased urine output is not a finding that indicates preeclampsia. Increased urine output is a normal occurrence during pregnancy, as the growing uterus puts pressure on the bladder and the kidneys filter more blood. Increased urine output can also indicate diabetes, urinary tract infection, or diuretic use, which are not related to preeclampsia.
Correct Answer is A
Explanation
A. Provide humidified oxygen.
Humidified oxygen adds moisture to the air, which can help to thin secretions in the airway. Thinning the secretions makes them easier to clear, particularly for patients with copious and tenacious secretions, such as those following a tracheostomy.
B. Perform chest physiotherapy prior to suctioning.
Chest physiotherapy techniques, such as percussion and vibration, can help to mobilize secretions in the lungs and airways. While this may indirectly assist in clearing secretions, it does not directly address the issue of thinning the secretions, which is the primary concern in this scenario.
C. Prelubricate the suction catheter tip with sterile saline when suctioning the airway.
Prelubricating the suction catheter tip with sterile saline before suctioning can help reduce friction and potential trauma to the airway. While this can be beneficial for airway management, it does not directly address the need to thin copious and tenacious secretions.
D. Hyperventilate the client with 100% oxygen before suctioning the airway.
Hyperventilating the client with 100% oxygen before suctioning is not recommended. It can lead to respiratory alkalosis, which is a condition characterized by decreased levels of carbon dioxide in the blood. This can worsen the client's condition and may lead to adverse effects. Additionally, it does not directly address the need to thin secretions.
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