Which of the following areas will be the focus of the inspection during a laboratory's routine annual inspection, primarily concerning equipment maintenance logs?
Mechanical safety
Chemical safety
Radiation safety
Electrical safety
The Correct Answer is A
Choice A reason:
Mechanical safety is a critical aspect of laboratory inspections, especially when focusing on equipment maintenance logs. These logs are essential for ensuring that all mechanical equipment is functioning correctly and safely. Regular maintenance and inspection can prevent mechanical failures that could lead to workplace accidents or compromise the integrity of experiments.
Choice B reason:
Chemical safety is undoubtedly important in a laboratory setting; however, it is not the primary focus when the inspection is centered on equipment maintenance logs. Chemical safety would involve the proper storage, handling, and disposal of chemicals, which is a separate concern from the mechanical functioning of equipment.
Choice C reason:
Radiation safety is another vital area in laboratories that work with radioactive materials. However, the maintenance logs for equipment would not typically be the main focus of radiation safety inspections. Instead, radiation safety inspections would concentrate on ensuring proper shielding, monitoring, and training are in place.
Choice D reason:
Electrical safety is also essential, but similar to chemical and radiation safety, it is not the primary focus when inspecting equipment maintenance logs. Electrical safety would involve checking for proper wiring, grounding, and protection against electrical hazards.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
Inverting the tube 5 to 8 times ensures that the clot activator mixes thoroughly with the blood, promoting proper clotting. Setting the tube aside for 30 minutes allows sufficient time for the blood to clot before centrifugation. This is the recommended procedure to ensure that the serum is properly separated from the clot, resulting in a quality specimen suitable for testing.
Choice B reason:
Inverting the tube only 1 to 3 times may not be enough to mix the clot activator with the blood adequately, which could lead to incomplete clotting and potentially compromised test results. Additionally, setting the tube for 1 hour before centrifugation is longer than necessary and does not offer any advantage over the recommended 30 minutes.
Choice C reason:
Inverting the tube 2 to 4 times might not fully mix the clot activator with the blood, and setting it for only 15 minutes does not provide enough time for proper clot formation. This could result in a suboptimal separation of serum and clot, affecting the integrity of the test results.
Choice D reason:
Inverting the tube 8 to 10 times could potentially cause hemolysis or disruption of the blood cells due to excessive agitation. Setting the tube for 2 hours prior to centrifugation is not recommended as it could lead to serum degradation or other changes that may affect the test results.
Correct Answer is A
Explanation
Choice A reason:
Glucose and triglyceride levels are influenced by recent food intake, so it is essential to measure these levels after a period of fasting to obtain accurate results. Fasting ensures that the glucose measurement reflects the body's baseline glucose level without the influence of a recent meal, which is crucial for diagnosing and managing conditions like diabetes. Similarly, triglycerides, which are fats in the blood, can be elevated after eating, so a fasting sample gives a clear picture of the lipid profile for assessing cardiovascular risk.
Choice B reason:
While BUN (Blood Urea Nitrogen) levels can be affected by diet, fasting is not typically required for BUN or alkaline phosphatase tests. These tests are often part of a comprehensive metabolic panel that may or may not require fasting. However, fasting is not specifically necessary for accurate measurement of these two tests.
Choice C reason:
Creatinine and total protein levels are generally not affected by short-term dietary intake, so fasting is not required for these tests. Creatinine is a waste product from muscle metabolism and is used to evaluate kidney function, while total protein levels can indicate a variety of conditions including liver and kidney disorders, but they reflect the body's long-term nutritional status rather than immediate food intake.
Choice D reason:
Lactate dehydrogenase (LDH) and albumin tests do not require fasting. LDH is an enzyme found in almost all body tissues and is released into the bloodstream when tissues are damaged, so its levels are not dependent on food intake. Albumin is the most abundant protein in the blood and is produced by the liver; its levels are used to assess liver and kidney function, nutritional status, and other conditions, but fasting is not necessary for accurate measurement.
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