Lab measurements Study guides, Class notes & Summaries

CWEA Grade I Laboratory Analyst, questions and answers 2023 Chloride - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride argentometric and mercuric nitrate Argentometric Titration of sample with standard solution of silver nitrate (AgNO3) - Indicator: Chromate ions (CrO4) -...

HESI Med-Surg Latest 2023 with Complete Solutions What instruction should the nurse include in the discharge teaching plan of a client who had a cataract extraction today? Light housekeeping is permitted but avoid heavy lifting. A male adult comes to the urgent care clinic 5 days after being diagnosed with influenza. He is short of breath, febrile, and coughing green colored sputum. Which intervention should the nurse implement first? Obtain a sputum sample for culture. An elder male client t...

A student focuses sunlight to a point with a thin converging (convex) lens. Which of these direct measurements can the student make as a result of this experiment? A) The approximate focal length of the lens. B) The approximate wavelength of the light used. C) The approximate speed of light. D) The approximate index of refraction of the lens material. CORRECT ANSWER A) Approximate focal length of lens The bending of a wave around an obstacle is known as A. diffraction. B. deflection. C. r...

Mttc Integrated Science Life Sciences And General Knowledge Exam Test With 100% Correct Answers volumetric flask - CORRECT ANSWER-used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - CORRECT ANSWER-can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - CORRECT ANSWER-hand operated pump that dispenses solutions beakers - CORRECT ANSWER-can be used to measure mass or disso...

A 'Patent Defect' is observable by the untrained eye. A 'Latent Defect' is not readily observable to the untrained eye during the reasonable inspection of a property. - correct answer What is the difference between a 'Patent Defect' and a 'Latent Defect'? A material latent defect because it poses a serious risk that can render the home unsafe, unhealthy or otherwise uninhabitable to live it. - correct answer What is the most severe type of latent defect? - Real estate boards...

Define arterial puncture correct answer: puncture of a peripheral artery to obtain an arterial blood sample for direct measurements of pH, PaCo2 and PaO2 List the three primary sites for obtaining an arterial blood sample correct answer: radial, brachial and femoral Explain why the radial artery is the first choice of sites for an arterial puncture correct answer: because of its accessibility and collateral blood flow Describe the purpose of performing a modified allen's test correc...

What syndrome has an increased production of glucocorticoids? Correct! Cushing Addison’s Hypothyroidism Diabetes mellitus Question 2 5 / 5 pts Multiple Choice: The following clinical measurements or lab values are commonly seen with Cushing syndrome EXCEPT: Hypokalemia Hypertension Elevated cortisol Correct! Hyponatremia Question 3 5 / 5 pts Multiple Choice: Signs and symptoms of Addison’s disease include each of the following EXCEPT: Hyperpigmentation Weight loss Musc...

PHY 250L_ESL_V2 Lab 1- Measurements and Uncertainty 2024 Liberty University

CWEA LAB ANALYST GRADE 1 EXAM 2023/2024 LATEST. 1. Celcius: (F-32)5/9 2. HPC media water bath: 45`C, 3hr 3. Precision: a measure of how close a series of measurements are to one another 4. Accuracy: how close a measurement is to the true value 5. Electrical Fire: unplug & sodium bicarbonate 6. analytical balance: a device for determining mass that gives highly accurate measurements 7. top loading balance: used to determine mass; not as precise as an analytical balance 8. triple beam b...

proper lab attire includes - Answer-1. googles or safety glasses 2. lab coat 3. long pants that completely cover legs (no tights, or thin pants) 4. closed, sturdy shoes T or F. Hair must be pulled back - Answer-True, long hair must be pulled back. T of F. You may drink water in the lab. - Answer-False, no eating or drinking in the laboratory. List 3 pieces of emergency equipment in the lab - Answer-1. fire extinguishers (only used by lab instructor) 2. safety shower 3. eyewash station ...