A nurse is assessing a client who is postpartum and is experiencing hemorrhagic shock.
Which of the following findings should the nurse expect?
Hypertension.
Bradypnea.
Tachycardia.
Polyuria.
The Correct Answer is C
Choice A rationale
Hemorrhagic shock results from significant blood loss, leading to decreased circulating blood volume and subsequent hypotension. Therefore, hypertension is not expected; instead, the nurse should anticipate hypotension as a classic sign, indicating the body's compensatory mechanisms are failing to maintain adequate perfusion. Systolic blood pressure below 90 mmHg is a common indicator of shock.
Choice B rationale
Initial compensatory mechanisms in shock, driven by the sympathetic nervous system, usually include tachypnea (increased respiratory rate) to enhance oxygenation and address resulting metabolic acidosis. Bradypnea (abnormally slow respiratory rate, normal 12-20 breaths/min) is a late and ominous sign, reflecting profound central nervous system depression and circulatory failure.
Choice C rationale
Tachycardia (heart rate >100 beats/min) is an early and compensatory sign of hemorrhagic shock, triggered by the release of catecholamines (epinephrine, norepinephrine). The sympathetic nervous system increases the heart rate and contractility to compensate for the reduced stroke volume caused by the hypovolemia and maintain cardiac output and tissue perfusion.
Choice D rationale
Hemorrhagic shock causes a severe reduction in renal blood flow due to vasoconstriction and low systemic pressure. This results in oliguria (urine output <30 mL/hr) or anuria, not polyuria. Decreased urine output is a critical indicator of inadequate perfusion to the kidneys and is a classic finding in progressing shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Skin mottling, characterized by a patchy, net-like, reddish-blue discoloration of the skin, is typically caused by vasoconstriction in response to cold exposure or by circulatory changes in individuals with poor peripheral perfusion. This is not a typical, expected body change during a normal pregnancy; expected skin changes relate more to hyperpigmentation (e.g., chloasma, linea nigra).
Choice B rationale
During pregnancy, hormonal changes, particularly the increase in estrogen, shift a greater proportion of hair follicles into the anagen (growth) phase, leading to thicker, fuller hair. Hair thinning (telogen effluvium) is commonly experienced postpartum when hormone levels drop and the hair follicles shift rapidly back into the telogen (resting) phase, thus it is not expected at 14 weeks gestation.
Choice C rationale
Nipple inversion is a structural variation where the nipple is retracted into the areola; it is not a change that typically develops during pregnancy. Expected breast changes include areolar darkening (hyperpigmentation), prominent Montgomery's tubercles, and nipple erection. Nipple inversion is a pre-existing condition that may present challenges for breastfeeding.
Choice D rationale
Breast enlargement (hypertrophy) is an expected and early body change during pregnancy, beginning in the first trimester (around 6 weeks). This growth is driven by elevated estrogen and progesterone levels, stimulating the development of the mammary glands in preparation for lactation, and is often accompanied by tenderness and increased vascularity.
Correct Answer is B
Explanation
Choice A rationale
Bilirubin monitoring is critical for jaundice due to hemolysis, often seen in ABO incompatibility or cephalohematoma. While Large for Gestational Age (LGA) infants can have polycythemia, hypoglycemia is a more immediate and life-threatening risk that requires priority monitoring in the first hours of life. The normal total bilirubin range is typically less than 5 mg/dL in the first 24 hours.
Choice B rationale
LGA infants are often born to mothers with uncontrolled or gestational diabetes, leading to fetal hyperinsulinism. After birth, the maternal glucose supply is cut off, and the high insulin levels persist, causing a rapid and profound drop in the newborn's blood glucose, hence hypoglycemia is a major concern. The normal newborn glucose range is 40 to 60 mg/dL and should be monitored.
Choice C rationale
White blood cell (WBC) count is primarily monitored to detect neonatal sepsis or infection. While all newborns are at risk, the LGA classification does not inherently place them at a higher, unique risk for infection compared to the immediate metabolic derangement risks like hypoglycemia. The normal WBC count range is 9,000 to 30,000 cells/mm.
Choice D rationale
Arterial Blood Gases (ABGs) are used to assess the newborn's respiratory status and acid-base balance, particularly in respiratory distress syndrome or persistent pulmonary hypertension. While LGA infants can experience birth trauma or meconium aspiration, ABG monitoring is not routine unless significant respiratory symptoms are present.
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