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 A
Explanation
Choice A rationale
Fundal height measurement is a simple clinical tool used to estimate gestational age and monitor fetal growth. The correct technique involves using a non-stretchable measuring tape to measure the distance in centimeters from the upper border of the symphysis pubis (a fixed bony landmark) to the highest point of the uterine fundus.
Choice B rationale
A full bladder can artificially elevate the uterine fundus, leading to an overestimation of the fundal height and an inaccurate assessment of fetal growth and gestational age. The nurse should instruct the client to empty their bladder before the measurement is taken to ensure the most reliable result.
Choice C rationale
The fundal height measurement is taken vertically, along the midline of the client's abdomen, from the symphysis pubis to the fundus. Measuring horizontally would not provide a clinically relevant or reproducible measure for assessing fetal growth or comparing against expected gestational age measurements.
Choice D rationale
Fundal height measurement should be performed with the client in the supine position with the knees slightly flexed. Placing the client in the left-lateral position is done to prevent supine hypotension syndrome (aorta-caval compression) but would make a standardized and accurate fundal height measurement impossible to obtain.
Correct Answer is A
Explanation
Choice A rationale
The umbilical cord stump typically dries, shrivels, and spontaneously separates from the infant's abdomen due to a process similar to dry gangrene (ischemic necrosis) within one to three weeks after birth; therefore, this statement indicates correct understanding of the normal timeline for cord care and healing.
Choice B rationale
A newborn's skin is sensitive and prone to drying, and daily tub baths are unnecessary and may cause skin irritation; sponge baths are used until the cord stump falls off, and then typically only two to three baths per week are recommended initially to maintain skin integrity.
Choice C rationale
The correct procedure for using a bulb syringe is to compress the bulb before insertion into the mouth (or nose) to create the negative pressure, then release the compression slowly to suction mucus; compressing it after insertion would expel air into the baby's mouth instead of suctioning.
Choice D rationale
Placing a baby on their side to sleep increases the risk of the baby rolling onto their stomach, which is associated with an elevated risk of Sudden Infant Death Syndrome (SIDS); the universally recommended safe sleep position is supine (on the back).
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