Radioactive Study guides, Class notes & Summaries

uestion Number Answer Mark 1(a) The only correct answer is C a place where an organism lives A is incorrect because a group of organisms of different species living in the same area is a community B is incorrect because a group of organisms of the same species living in the same area is a population D is incorrect because the role of an organism is its niche (1) Question Number Answer Additional guidance Mark 1(b)(i) A description that makes reference to three of the following • ...

An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? - 8 and 17 How many and what type of bonds does sulfur usually form in biology? - 2 covalent A molecule that has all non polar covalent bonds would be________. - hydrophobic What substance makes up the interior of a potato tuber? - starch What is an example of a lipid? - triglyceride One characteristic shared by sucrose, lactose, and maltose is that __________. -they are all dissacharides The over...

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

Option 1: While we often think of radiation as dangerous, radioactive isotopes are widely used in the field of healthcare as well as in many other fields. For your initial post, choose a radioactive isotope used in healthcare or another field and report on how your isotope is used. Be sure to answer both of the following questions as part of your initial post: a. What type(s) of radioactive decay does your isotope undergo? b. How is your isotope used? Use at least one outside source and ci...

HazMat Endorsement Questions and Answers | Latest Update | 2024/2025 | Already Passed When is it mandatory for a driver to have a certified gas mask readily accessible? A. When transporting flammable substances B. When carrying radioactive materials C. When hauling chlorine D. When dealing with corrosive chemicals C. When hauling chlorine When operating a vehicle with hazardous materials placards, at what distance should you stop from a railroad track? A. 10 to 15 feet ...

2024 NURSING HESI EXIT EXAM (180 Q & As) ALL ANSWERS 100% CORRECTLY/VERIFIED LATEST UPDATE RATED A+ A nurse is caring for a client who is in a seclusion room following violent behavior. The client continues to display aggressive behavior. Which of the following actions should the nurse take? A.. Confront the client about this behavior. B.Express sympathy for the client’s situation. C.Speak assertively to the client. D.Stand within 30 cm (1 ft) of the client when speaking with them....

Nuclear Medicine Board review-732 Questions with Complete Solutions 2023 U.S Nuclear Regulatory Commission (NRC) - CORRECT ANSWER what agency is responsible for regulation of the purchase, receipt, use, and disposal of radioactive materials Agreement State - CORRECT ANSWER a state that accepts responsibility for the regulation of all radioactive materials Federal facilities (ex. VA hospitals and military installations) - CORRECT ANSWER Which facilities in agreement states are still ...

Which of the following is composed of a single central nucleus? - ANS - A-Correct What is the time it takes a radioactive isotope to transform 50 percent of its atoms by radioactive decay? - ANS - C-Correct Which is a form of non-nuclear radiation? - ANS - A-Incorrect What is the SI (international) unit for activity? - ANS - A-Correct RADIAC instruments that collect and measure the ion pairs created when radiation interacts with matter utilizes which operating principle? - ANS - D...

NBSTSA Certification Exam Test Bank| Questions and Verified Answers with Rationales (2023/ 2024 Latest Update)- 100% Correct Q: If cultures cannot be immediately transported from the surgery department to pathology, they should be: A. Placed in an incubator B. Placed in a refrigerator C. Kept at room temperature D. Submerged in media Answer: B. Placed in a refrigerator •If the cultures are not immediately transported to the pathology department, they should be placed in a ref...

ENL1501 Assignment 1 Semester 1 2024 (Solutions) Question 1 Answer saved Marked out of 1.00 Flag question Question text How can packaging support the environment? a. By providing clear environmental information b. By using excessive materials c. By making products more expensive d. By being visually unappealing Clear my choice Question 2 Answer saved Marked out of 1.00 Flag question Question text What is the primary role of air for bioresources? a. Providing structural s...