environment that may cause problems on the system. musculoskeletal O Physical hazard O Biological hazard O None of the choices O Ergonomic hazard O Safety hazard
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- The avg. toxicity of animal-based foods is about 0.4pg (picogram) of TCDD equivalent per 1g of food, and the LD50for 2,3,7,8 - TCDD is about 0.001 mg per kg of body weight. What mass, in kg, of animal-based food would you have to consume to ingest a fatal dose of it? (Assume your body mass is 60 kg.)6. The side effects of using synthetic materials in cosmetics can be minimized by... A. increased levels of compounds in cosmeticsB. the use of a combination of ingredients with the same effectC. use regularly so that resistance occursD. modification of cosmetic dosage formsClassify pure urea, H2NCONH2 fertilizer as NPK. Write your numerical answer in the order N, followed by P, followed by K, i.e., without using colon (:). E.g., if the answer is 10N, 25P, 33K, then write your answer as 102533.
- Vitamin D3 25,000 UNT Oral Capsule Generic name and popular Trade name(s) for this drug Drug classification What is this drug typically used for? Describe the pharmacokinetics of the drug: Onset (O) Peak (P) Duration (D) Half-life (1/2) Metabolized where (M) Excreted (E) Major side effect and/or Adverse Reactions of the drug? Nursing Implications (What do you need to assess, know or plan for with this medication?) Patient Education (What will you tell the patient and family about this drug? What do you need to teach the patient or family to safely take this medication).The LD50 of ethlyl alcohol (ethanol) is 5 g/kg a.) How many grams of ethanol would constitute a lethal dose for an adult weighing 164pounds?The measurement of LDH in the serum can be used to diagnose whether tissue damage hasoccurred.Students were tasked with the development of an assay for LDH activity in human serum samplesfrom a control patient (healthy) and a patient who had suffered cardiac damage. Two samples wereprovided, labelled C and D (Control and Diseased serum).The students decided to follow the loss of absorbance of NADH in an appropriate assay buffercontaining pyruvate as the substrate. Q1 (a) By examining the absorbance spectra(in the image attached) of both NAD+ and NADH below, comment why this approach is suitable strategy. Q1 (b). What would be the optimum wavelength at which they should measure absorbance? Give a reason for your answer. The students conducted the assay for LDH activity using the two serum samples. Each cuvette (path length 1 cm) contained 3ml of a suitable assay buffer (including pyruvate as substrate). 20 microlitres of either serum was added to the cuvette and the absorbance values…
- 600g of molybdenum (C-0.25) is heated from 250K to 650K. What is delta H?Ten grams of hamburger (from a container of hamburger) were added to 90 mL of sterile buffer. This was mixed well in a blender. One-tenth of a mL of this slurry was added to 9.9 mL of sterile buffer. After thorough mixing, this suspension was further diluted by successive 1/100 and 1/10 dilutions. One-tenth of a mL of this final dilution was plated onto nutrient agar. After incubation, 52 colonies were present. How many colony-forming units were present in one gram of hamburger?State and explain the appropriate gas laws involved in the spread of covid-19 outbreak in aircraft cabins and explain how the suitable gas involved can cause Covid-19 virus to spread rapidly in aircraft cabins.
- Describe the basic principle employed to preserve food; you may mention chemical processes, unit operating principles in use, or uses of biological principles and reactions. Fermentation of vegetables Canning of sardines Drying of fish Preparation of mango jam Irradiation of corn and other cereal products Curing of ham Vacuum frying of potatoes Spray drying of fruit juices Brining of eggs (itlog maalat)C6H8O6(aq) + C12H7O2NCL2(aq) ----> C6H6O6(aq) + C12H9O2NCL2(aq) - C12H7O2NCL2 is abbreviated as DCIP - Molar Lass of C6H8O6(s) is 176.14 g/mol - Daily recommended intake (DRI) for adults: 90 mg of Vitamin C Askor & Bich found that it required 23.14 mlof 1.32 x 10^-3 M DCIP soliution to reach the endpoint when titrating a 7.50ml aliquot of pear juice. How many mg of ascorbic acid, C6H8O6 are present in the juice aliquot? _5.38_____(can you please show how to calculate this answer) How many ml of this juice would Bich have to drink in order to meet the daily recommended intake (DRI)?__126__ (Which one of the following is the correct statement? a. Anaerobic Digestion process takes place in Absence of Air inside the Digester tank. b. Anaerobic Digestion process takes place in Absence of Air outside the Digester tank. c. Anaerobic Digestion process takes place in Nuclear Reactor. d. Anaerobic Digestion process takes place in Presence of Air inside the Digester tank.