In a client's seventh month of pregnancy, she reports feeling "dizzy, like I'm going to pass out, when I lie down ﬂat on my back". The nurse explains that this is due to:
Select one:

Physiologic anemia due to maternal increased plasma volume.

Pressure of the gravid uterus on the maternal inferior vena cava and aorta.

Pressure of the presenting fetal part on the maternal diaphragm.

A 50% increase in maternal blood volume during pregnancy.

Answer and Explanation

The Correct Answer is B

Choice A Reason: Physiologic anemia due to maternal increased plasma volume. This is an incorrect answer that refers to a diﬀerent condition that aﬀects hemoglobin levels, not blood pressure. Physiologic anemia is a condition where the maternal plasma volume increases more than the red blood cell mass during pregnancy, which dilutes the hemoglobin concentration and lowers the hematocrit value. Physiologic anemia does not cause significant symptoms or complications in pregnant women, as it is an adaptive mechanism that enhances oxygen delivery and prevents ﬂuid overload.

Choice B Reason: Pressure of the gravid uterus on the maternal inferior vena cava and aorta. This is because this statement explains the cause of supine hypotensive syndrome, which is a condition where lying ﬂat on the back causes compression of the major blood vessels by the gravid uterus, which reduces venous return and cardiac output, which lowers blood pressure and perfusion to vital organs. Supine hypotensive syndrome can cause symptoms such as dizziness, lightheadedness, nausea, pallor, or syncope in pregnant women, especially in the third trimester.

Choice C Reason: Pressure of the presenting fetal part on the maternal diaphragm. This is an incorrect answer that indicates a diﬀerent condition that aﬀects respiratory function, not blood pressure. Pressure of the presenting fetal part on the maternal diaphragm is a result of cephalic engagement or lightening, which occurs when the fetal head descends into the pelvis and occupies more space in the abdominal cavity. Pressure of the presenting fetal part on the maternal diaphragm can cause symptoms such as dyspnea, heartburn, or rib pain in pregnant women.

Choice D Reason: A 50% increase in maternal blood volume during pregnancy. This is an incorrect answer that describes a normal physiological change that occurs during pregnancy, not a cause of supine hypotensive syndrome. A 50% increase in maternal blood volume during pregnancy is due to increased production of plasma and red blood cells, which helps meet the increased oxygen and nutrient demands of the fetus and placenta, and prepares the mother for blood loss during delivery. A 50% increase in maternal blood volume during pregnancy does not cause hypotension or dizziness in pregnant women.

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Correct Answer is D

Explanation

Choice A Reason: Retained placental fragments. This is an incorrect answer that refers to a diﬀerent cause of late postpartum hemorrhage, which is less common than uterine atony. Retained placental fragments are pieces of placenta that remain atached to the uterine wall after delivery, which prevent uterine contraction and involution, and provide a source of bleeding and infection. Retained placental fragments can be caused by abnormal placentation (such as placenta accreta), manual removal of placenta, or incomplete separation of placenta.

Choice B Reason: Cervical or vaginal lacerations. This is an incorrect answer that refers to a diﬀerent cause of late postpartum hemorrhage, which is more likely to cause early postpartum hemorrhage than late postpartum hemorrhage. Cervical or vaginal lacerations are tears or cuts in the cervix or vagina that occur during delivery, which can cause bleeding from the damaged blood vessels. Cervical or vaginal lacerations can be caused by rapid or instrumental delivery, large or malpositioned fetus, or episiotomy.

Choice C Reason: Uterine inversion. This is an incorrect answer that refers to a diﬀerent cause of late postpartum hemorrhage, which is rare and life-threatening. Uterine inversion is a condition where the uterus turns inside out and protrudes through the cervix and vagina after delivery, which can cause massive bleeding and shock. Uterine inversion can be caused by excessive traction on the umbilical cord, fundal pressure, or uterine relaxation.

Choice D Reason: Uterine atony. This is because uterine atony is a condition where the uterus fails to contract and retract after delivery, which leads to bleeding from the placental site. Uterine atony is the most common cause of late postpartum hemorrhage, accounting for about 75% of cases. Late postpartum hemorrhage is excessive bleeding from the uterus or genital tract that occurs more than 24 hours but less than 12 weeks after delivery. Late postpartum hemorrhage can be caused by retained placental fragments, subinvolution of the uterus, infection, or coagulation disorders.

A. Obtain a bilirubin level. B. Place a pulse oximeter on the newborn. C. Obtain a blood glucose level. D. Take the newborn's vital signs.

Correct Answer is C

Explanation

Choice A Reason: Obtain a bilirubin level. This is an incorrect answer that indicates an irrelevant and unnecessary nursing action for a newborn with tremors or jiteriness. Obtaining a bilirubin level is a nursing action that is indicated for a newborn with jaundice (yellowish discoloration of the skin and mucous membranes), which can occur due to increased bilirubin production or decreased bilirubin excretion. Jaundice does not cause tremors or jiteriness in newborns.

Choice B Reason: Place a pulse oximeter on the newborn. This is an incorrect answer that suggests an inappropriate and insufficient nursing action for a newborn with tremors or jiteriness. Placing a pulse oximeter on the newborn is a nursing action that measures oxygen saturation and heart rate, which can indicate hypoxia (low oxygen level) or distress in newborns. Hypoxia can cause tremors or jiteriness in newborns, but it is not the only or most likely cause. Placing a pulse oximeter on the newborn does not provide enough information to diagnose or treat hypoglycemia.

Choice C Reason: Obtain a blood glucose level. This is because tremors or jiteriness are common signs of hypoglycemia (low blood glucose) in newborns, which can occur due to various factors such as prematurity, maternal diabetes, infection, or cold stress. Hypoglycemia can cause neurological damage or death if not treated promptly and eﬀectively. Obtaining a blood glucose level is a nursing action that has the highest priority for a newborn with tremors or jiteriness, as it can confirm the diagnosis and guide the treatment.

Choice D Reason: Take the newborn's vital signs. This is an incorrect answer that implies an inadequate and delayed nursing action for a newborn with tremors or jiteriness. Taking the newborn's vital signs is a nursing action that monitors temperature, pulse, respiration, and blood pressure, which can indicate general health status and stability in newborns. Taking the newborn's vital signs may reveal signs of hypoglycemia, such as hypothermia, tachycardia, tachypnea, or hypotension, but it is not a specific or definitive test for hypoglycemia. Taking the newborn's vital signs may also waste valuable time that could be used to obtain a blood glucose level and initiate treatment.

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In a client's seventh month of pregnancy, she reports feeling "dizzy, like I'm going to pass out, when I lie down ﬂat on my back". The nurse explains that this is due to: Select one:

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Naxlex Comprehensive Predictor Exams

When reviewing the causes of late postpartum hemorrhage, which of the following would the nurse identify as the most common cause? Select one:

Correct Answer is D

Explanation

The Mother-Baby nurse is caring for a two hour old newborn who is 36 4/7 weeks gestation. The nurse assesses that the newborn is experiencing tremors (jiteriness). What nursing action has the highest priority? Select one:

Correct Answer is C

Explanation

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In a client's seventh month of pregnancy, she reports feeling "dizzy, like I'm going to pass out, when I lie down ﬂat on my back". The nurse explains that this is due to:
Select one: