Which of the following best describes the primary source of energy for Earth's climate system?

Solar radiation

Geothermal heat

Tidal forces

Human activities

Answer and Explanation

The Correct Answer is A

Choice A reason: Solar radiation delivers approximately 99.97% of Earth's climate system energy. The sun emits electromagnetic waves, primarily in visible and infrared spectra, absorbed by Earth's surface and atmosphere. This energy fuels atmospheric circulation, ocean currents, and the hydrological cycle, establishing temperature gradients that drive global weather and climate patterns. Sunspot cycles cause minor variations but affirm solar dominance.

Choice B reason: Geothermal heat, from radioactive decay in Earth's core and mantle plus residual formation heat, contributes only about 0.025% to the climate energy budget. It powers volcanic activity and tectonic processes, with localized effects like geothermal springs, but its role in atmospheric or oceanic circulation is negligible compared to solar radiation’s extensive influence.

Choice C reason: Tidal forces, driven by gravitational interactions between Earth, the moon, and the sun, produce oceanic tides, contributing less than 0.001% to the climate system’s energy. Tides influence coastal mixing but lack the magnitude to drive atmospheric circulation or global climate, making them insignificant compared to solar radiation’s vast energy input.

Choice D reason: Human activities, such as fossil fuel burning and deforestation, release greenhouse gases, altering climate by trapping solar heat. These are secondary effects, not primary energy sources, with negligible direct energy contribution. They modify solar radiation absorption, acting as feedback mechanisms, not independent drivers like the sun’s direct energy.

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Correct Answer is D

Explanation

Choice A reason: Hepatorenal failure involves liver and kidney dysfunction, typically from chronic liver disease or shock. Elevated amylase and lipase, with pain and vomiting, point to pancreatic inflammation, not hepatorenal issues. Pancreatitis is more consistent with the client’s post-cholecystectomy presentation and lab findings.

Choice B reason: Biliary duct obstruction causes jaundice and elevated bilirubin, not amylase or lipase. Pain may radiate, but vomiting and fever with high pancreatic enzymes suggest pancreatitis, a known post-cholecystectomy complication, rather than a blocked bile duct, which lacks pancreatic enzyme elevation.

Choice C reason: Surgical site infection causes localized pain, erythema, and fever but not elevated amylase or lipase. Radiating pain and vomiting align with pancreatitis, not wound infection. Pancreatic enzyme elevation is specific to pancreatic inflammation, making infection less likely than pancreatitis in this scenario.

Choice D reason: Acute pancreatitis is characterized by elevated amylase and lipase, epigastric pain radiating to the back, vomiting, and fever. Post-cholecystectomy, bile duct manipulation or gallstone migration can trigger pancreatitis. These findings align perfectly with the client’s symptoms and lab results, making it the correct condition.

A. Instruct the client to avoid foods with gluten, such as wheat bread B. Explain that the need to restrict fluids is the primary limitation C. Describe the use of an elimination diet to find trigger foods D. Advise the client to limit foods that are high in calcium and iron

Correct Answer is C

Explanation

Choice A reason: Gluten avoidance is specific to celiac disease, not Crohn’s, which involves autoimmune inflammation of the gut. Crohn’s dietary triggers vary individually, and gluten is not a universal issue. An elimination diet identifies specific triggers, making this response incorrect for Crohn’s management.

Choice B reason: Fluid restriction is not a primary limitation in Crohn’s disease, which often requires adequate hydration due to diarrhea. Restricting fluids could worsen dehydration. An elimination diet to identify trigger foods is more appropriate, as dietary management focuses on individual sensitivities, not fluid limits.

Choice C reason: An elimination diet identifies trigger foods causing Crohn’s flare-ups, as sensitivities vary. By systematically removing and reintroducing foods, patients pinpoint irritants like dairy or fiber, personalizing dietary management. This is the most effective approach, as Crohn’s lacks universal dietary restrictions, making it the correct response.

Choice D reason: Limiting calcium and iron is not standard for Crohn’s, as these nutrients are often deficient due to malabsorption. Supplementation may be needed. An elimination diet better addresses symptom triggers, as nutrient restriction could exacerbate deficiencies without targeting inflammatory food triggers.

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Which of the following best describes the primary source of energy for Earth's climate system?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

A client with newly diagnosed Crohn’s disease asks the nurse about dietary restrictions. How should the nurse respond?

Correct Answer is C

Explanation

To assess the quality of an adult client’s pain, which approach should the nurse use?

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The nurse is caring for a client with type 2 diabetes mellitus who reports frequent episodes of hypoglycemia. Which action should the nurse prioritize?

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A client with open-angle glaucoma asks the nurse how long the prescribed medication must be used. Which response by the nurse is accurate?

The nurse is assessing a client with suspected hepatitis. Which finding is most indicative of this condition?

The nurse is planning care for a client with a direct (sliding) hiatal hernia. Nursing actions should be planned to meet which goal?