A nurse is caring for a client who sustained blood loss. Which of the following is a manifestation of hypovolemia?
Decreased heart rate
Increased blood pressure
Weak pulse
Dyspnea
The Correct Answer is C
Choice A reason: Decreased heart rate is not a manifestation of hypovolemia. Hypovolemia is a condition where there is a decreased volume of blood in the body, which can result from blood loss, dehydration, or fluid shifts. Hypovolemia can cause the heart rate to increase, not decrease, as the body tries to compensate for the low blood pressure and maintain adequate perfusion.
Choice B reason: Increased blood pressure is not a manifestation of hypovolemia. Hypovolemia can cause the blood pressure to decrease, not increase, as the blood volume and cardiac output are reduced. The body may try to constrict the blood vessels to increase the blood pressure, but this is usually not enough to overcome the effects of hypovolemia.
Choice C reason: Weak pulse is a manifestation of hypovolemia. Hypovolemia can cause the pulse to become weak, thready, or difficult to palpate, as the blood flow and pressure are diminished. The pulse may also become irregular or rapid, as the heart tries to pump faster and harder to deliver oxygen to the tissues.
Choice D reason: Dyspnea is not a specific manifestation of hypovolemia. Dyspnea is a term for difficulty breathing, which can have many causes, such as asthma, pneumonia, or pulmonary edema. Hypovolemia can cause dyspnea if it leads to shock, which is a life-threatening condition where the organs and tissues are not receiving enough oxygen. However, dyspnea alone is not enough to indicate hypovolemia.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Gastritis is not the most likely condition that these clinical manifestations indicate. Gastritis is an inflammation of the stomach lining, which can cause abdominal pain, nausea, vomiting, and loss of appetite. Gastritis may cause heartburn or dyspepsia, but it does not usually cause dysphagia, which is difficulty swallowing.
Choice B reason: GERD is the most likely condition that these clinical manifestations indicate. GERD stands for gastroesophageal reflux disease, which is a chronic condition where the stomach acid flows back into the esophagus, causing irritation and inflammation. GERD can cause heartburn, which is a burning sensation in the chest or throat, dysphagia, which is difficulty swallowing or a feeling of a lump in the throat, and dyspepsia, which is indigestion or discomfort in the upper abdomen.
Choice C reason: Peptic ulcer disease is not the most likely condition that these clinical manifestations indicate. Peptic ulcer disease is a condition where there are open sores or ulcers in the lining of the stomach or duodenum, which can cause bleeding, perforation, or obstruction. Peptic ulcer disease can cause dyspepsia, which is indigestion or discomfort in the upper abdomen, but it does not usually cause heartburn or dysphagia, which are more characteristic of GERD.
Choice D reason: Pancreatitis is not the most likely condition that these clinical manifestations indicate. Pancreatitis is an inflammation of the pancreas, which can cause severe abdominal pain, nausea, vomiting, fever, and jaundice. Pancreatitis does not cause heartburn, dysphagia, or dyspepsia, which are more characteristic of GERD.
Correct Answer is A
Explanation
Choice A reason: This is the correct answer because weighing 28% above ideal body weight is a sign of obesity. Ideal body weight is an estimate of the weight that corresponds to the lowest mortality for a given height and gender. Obesity is defined as having a body weight that is 20% or more above ideal body weight.
Choice B reason: This is not the correct answer because having a waist circumference of 81.3 cm (32 in) is not a manifestation of obesity. Waist circumference is a measure of abdominal fat, which is associated with increased health risks. However, the cut-off point for waist circumference varies by gender and ethnicity. For women, a waist circumference of more than 88 cm (35 in) is considered high.
Choice C reason: This is not the correct answer because having a BMI of 28 is not a manifestation of obesity. BMI is a measure of body mass index, which is calculated by dividing weight in kilograms by height in meters squared. BMI is used to classify weight status and health risks. For adults, a BMI of 18.5 to 24.9 is considered normal, 25 to 29.9 is considered overweight, and 30 or more is considered obese.
Choice D reason: This is not the correct answer because having a body fat of 22% is not a manifestation of obesity. Body fat is a measure of the percentage of fat in the body, which is determined by various methods such as skinfold thickness, bioelectrical impedance, or underwater weighing. Body fat is influenced by age, gender, and physical activity. For women, a body fat of 21 to 33% is considered normal, 33 to 39% is considered high, and more than 39% is considered very high.
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