A nurse is caring for a client who is at risk for shock. Which of the following findings should the nurse expect?

Choice A rationale Hypotension occurs during shock because of a decrease in cardiac output or systemic vascular resistance. As the body loses the ability to compensate, the blood pressure drops significantly. This lack of pressure impairs the perfusion of vital organs and tissues, leading to cellular hypoxia. In early stages, compensatory mechanisms might maintain pressure, but as shock progresses into the decompensated phase, a systolic blood pressure less than 90 mm Hg is a hallmark clinical finding for clinicians. Choice B rationale Hyperactive bowel sounds are not expected in shock because the body prioritizes blood flow to essential organs like the brain and heart. Through sympathetic nervous system activation, blood is shunted away from the gastrointestinal tract. This vasoconstriction leads to decreased peristalsis and diminished or absent bowel sounds, often resulting in an ileus. Hyperactive sounds would indicate increased gastric motility, which is the opposite of the physiological response seen during acute systemic circulatory failure or stress. Choice C rationale Bradycardia is generally not an expected finding in most types of shock, such as hypovolemic or cardiogenic shock. Instead, the heart rate typically increases, known as tachycardia, to compensate for reduced stroke volume and to maintain cardiac output. While neurogenic shock can cause bradycardia due to loss of sympathetic tone, the standard physiological response to falling blood pressure and decreased tissue oxygenation is an elevated heart rate to move remaining blood more quickly. Choice D rationale Increased urine output is inconsistent with shock because the kidneys receive less blood flow when systemic perfusion fails. The body triggers the renin-angiotensin-aldosterone system to retain sodium and water to boost circulating volume. Additionally, antidiuretic hormone is released to concentrate urine. Normal urine output is 30 to 50 mL per hour; in shock, this typically drops to less than 30 mL per hour, reflecting poor renal perfusion and potentially leading to acute kidney injury.