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HESI Veterinary (HESI--VET) Practice Tests & Test Prep by Exam Edge - Free Test


Our free HESI Veterinary Technology Exit (HESI--VET) Practice Test was created by experienced educators who designed them to align with the official Health Education Systems, Inc content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

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HESI Veterinary Technology Exit - Free Test Sample Questions

Acute blood loss can result in which of the following?





Correct Answer:
hypovolemic shock
acute blood loss can result in a medical condition known as hypovolemic shock. this type of shock is characterized by a significant reduction in the volume of blood in the body, which can dramatically impair the delivery of oxygen and nutrients to various organs and tissues. it is crucial to understand how this condition unfolds and its potential consequences.

hypovolemic shock occurs when the body loses more than 20% of its blood or fluid supply. this substantial loss can happen due to various reasons including severe bleeding from injuries, surgical procedures, or less commonly from internal bleeding conditions such as gastrointestinal ulcers or ruptured aneurysms. when there is not enough blood circulating in the body, the blood pressure drops, reducing the blood flow to vital organs including the brain, kidneys, and heart.

the clinical signs of hypovolemic shock can vary but generally include cold and clammy skin, rapid but weak pulse, low blood pressure (hypotension), and reduced urine output. these symptoms occur as the body tries to maintain blood flow to the vital organs. the skin feels cold and clammy because the body is diverting blood away from the skin and other less vital areas to preserve blood flow to the critical organs. patients may also experience a sense of weakness or dizziness due to reduced blood flow to the brain.

in severe cases, the body's compensatory mechanisms may not be sufficient to maintain adequate circulation and organ function, leading to an increase in blood lactate concentrations. elevated lactate levels indicate that the tissues are not receiving enough oxygen and are relying more on anaerobic metabolism, which is less efficient and produces lactate as a byproduct. this condition, if not promptly and effectively treated, can lead to organ failure and death.

specific to veterinary medicine, horses experiencing acute blood loss may show additional symptoms such as sweating and signs of abdominal pain or colic. this is because horses, like many animals, have specific physiological responses to stress and shock. sweating and colic could be indicative of severe discomfort and the body's response to significant circulatory disturbances.

it is important to distinguish hypovolemic shock from other types of shock such as cardiogenic shock, where the heart's ability to pump blood is impaired; neurogenic shock, which is caused by a loss of tone in the blood vessels due to a spinal injury or other neural disruptions; and anaphylactic shock, which is an allergic reaction causing widespread vasodilation and increased vascular permeability. each type of shock requires specific interventions and understanding the underlying cause is critical for effective treatment.

in summary, acute blood loss most commonly leads to hypovolemic shock, a critical condition that requires immediate medical attention to restore blood volume, maintain blood pressure, and prevent organ damage and other severe complications. early recognition and aggressive management are key to improving outcomes in patients suffering from this type of shock.