A nurse is caring for a 73-year-old client in the emergency department (ED)
Insert a nasogastric (NG) tube.
Type and cross-match for 2 units of packed RBCs.
Administer broad-spectrum antibiotics.
Measure lactate level.
Rapidly administer 30 ml/kg of normal saline.
Obtain blood cultures.
Obtain a urine specimen.
Obtain a wound culture.
Correct Answer : C,D,E,F
A. Administering antibiotics helps target the suspected infection and prevent its spread. Broad-spectrum antibiotics are typically initiated until the specific pathogen is identified through cultures. This action should be completed as soon as possible within the first hour.
D. Lactate measurement is important in assessing tissue perfusion and the severity of sepsis. Elevated lactate levels indicate tissue hypoperfusion and can help identify patients at higher risk of mortality. Monitoring lactate levels guides resuscitation efforts and helps in assessing the response to treatment.
E. Fluid resuscitation is a cornerstone in the management of sepsis. Administering a large volume of intravenous fluids helps restore intravascular volume, improve tissue perfusion, and prevent further organ dysfunction. The recommended initial fluid bolus is 30 ml/kg of crystalloid solution, such as normal saline, administered rapidly within the first few hours of recognition of sepsis.
F. Blood cultures help identify the causative organism(s) responsible for the sepsis. This information is crucial for guiding antibiotic therapy, especially in cases of severe sepsis or septic shock. Blood cultures should be obtained before initiating antibiotic therapy to maximize their sensitivity and specificity.
B. Type and cross-match for packed red blood cells (PRBCs) are indicated in situations where blood transfusion may be required, such as severe anemia or active bleeding. While sepsis can lead to various complications, such as disseminated intravascular coagulation (DIC), the priority in the first hour is resuscitation and antibiotic administration.
G. Obtaining a urine specimen may be indicated to assess for urinary tract infection (UTI), which can be a potential source of sepsis. However, in the initial management of sepsis, obtaining blood cultures (option F) takes precedence as blood cultures provide more critical information for guiding antibiotic therapy.
H. Obtaining a wound culture may help identify the specific pathogens present in the wound and guide antibiotic therapy if the wound is suspected to be the source of sepsis. However, in the first hour of managing sepsis, the priority is to initiate broad-spectrum antibiotics and obtain blood cultures, as these interventions are more urgent in preventing further complications from sepsis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A heart murmur typically indicates turbulent blood flow through a heart valve. This turbulence can occur due to various reasons, such as valve stenosis (narrowing), regurgitation (leakage), or structural abnormalities of the valves. The turbulent flow produces audible sounds that can be heard with a stethoscope during cardiac auscultation.
B. A heart murmur is not caused by blood entering an inflexible chamber. Instead, it is caused by turbulent blood flow through the heart valves. The sound produced by this turbulent flow may vary depending on the underlying pathology of the valve.
C. While heart murmurs can be described based on their characteristics (such as high-pitched or low- pitched), the presence of a heart murmur does not necessarily indicate a narrow valve. Murmurs can occur due to various valve abnormalities, including stenosis (narrowing) or regurgitation (leakage). The pitch and quality of the murmur may vary depending on the underlying pathology and the location of the abnormality.
D. A heart murmur is not typically associated with inflammation around the heart. While inflammation of the heart (such as myocarditis or pericarditis) can cause symptoms and abnormal sounds, these conditions would not be described specifically as a "heart murmur."
Correct Answer is ["B","C"]
Explanation
B. stroke volume is the amount of blood ejected from the left ventricle with each contraction (systole) of the heart. Changes in stroke volume directly affect cardiac output. An increase in stroke volume leads to an increase in cardiac output, while a decrease in stroke volume results in a decrease in cardiac output. Factors that can affect stroke volume include preload, afterload, and contractility of the heart.
C. Heart rate refers to the number of heartbeats per minute. Heart rate directly affects cardiac output by determining how frequently the heart contracts and pumps blood. An increase in heart rate (tachycardia) leads to an increase in cardiac output, while a decrease in heart rate (bradycardia) results in a decrease in cardiac output. Factors such as sympathetic and parasympathetic nervous system activity, hormones, and medications can influence heart rate.
A. Respiratory rate does not directly affect stroke volume or heart rate but changes in respiratory rate can indirectly impact cardiac output through their effects on venous return and preload.
D. Blood pressure represents the force exerted by the blood against the walls of the arteries. While blood pressure does not directly affect cardiac output, it is influenced by cardiac output and systemic vascular resistance (SVR).
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