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CHEM 120 Unit 3 Discussion 2: Molarity and Solution Calculations Question Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reasons. If you wear contacts, you probably use a saline solution to rinse your contacts. What solutions do you use at work? How would you calculate the amount of solute to the solvent to prepare this solution? If you do not wear contacts but you use or make cleaning solutions for your housework, ...

CHEM 120 Week 1 Quiz 1. Question : (TCO 1) You have been growing the same variety of corn for over 5 years. In the past two years, you have noticed that the yield has decreased by 10% each year. You grow corn on 10 acres of land and your yield should be 1,000 bushels per acre. Growing conditions have been consistent for the past 5 years. You want to identify another variety of corn that will produce 1,000 bushels per acre. You currently grow Variety ZQB. You want to test two new varieti...

CHEM 120 Final Exam Review Questions Covered 1. Know what is the atomic number, atomic mass, protons, neutrons and electrons 2. Describe the shapes of molecules H2S, CBr4, and PCl3 3. Calculating types of bonding (ionic, covalent, nonpolar covalent) 4. Non – polar covalent bonds and polar covalent bonds and electron sharing 5. Know the structure and makeup of DNA and RNA, know what DNA replication, transcription and translation are and ribosomes role in protein synthesis. 6. Know wh...

CHEM 120 WEEK 7 DISCUSSION QUESTIONS WITH ANSWERS CHEM 120 Week 7 DQ 1 – Carbohydrate, Lipid, and Protein Structures Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home. Let’s see how many different examples can be described. CHEM-120 Week 7 DQ 2 – Nucleic Acid Structure and Flow of Genetic Information In the news, we often hear examples of how DNA or the transfer of genetic information ...

CHEM 120 Week 4 DQ: Acids & Bases While we often do not realize it, acidic & basic solutions are a part of our daily lives. Describe an example of when you have used an acidic or basic solution in your home. Let’s see how many different examples we can describe. Answer An acidic solution that I consume almost every morning before I start my day would be orange juice. On the other h&, a basic solution ...

CHEM 120 Week 2 Discussion 1 - Chemical Names Sulfates, sulfites, nitrates, nitrites—how does one keep all of these similar but different names straight? Let’s begin this discussion by talking about the naming of different compounds. Why would it be important to make sure that you know which compound is associated with which name? To apply these concepts, look at problems 18 & 22 on page 122. Choose one part of the problem, & provide your answer. A...

Med Surg Visual and Auditory Problems The nurse evaluates that wearing bifocals improved the patient's myopia and presbyopia by assessing for a. strength of the eye muscles. b. both near and distant vision. c. cloudiness in the eye lenses. d. intraocular pressure changes. ANS: B The lenses are prescribed to correct the patient's near and distant vision. The nurse may also assess for cloudiness of the lenses, increased intraocular pressure, and eye movement, but these data do not eval...

Med Surg, Integumentary System 1. When the nurse is assessing a 42-year-old woman, the patient states that she is using topical fluorouracil (Efudex, Fluoroplex) to treat actinic keratoses on her face. Which additional information will be most important for the nurse to obtain? a. Method of birth control the patient is using b. History of extensive sun exposure by the patient c. Length of time the patient has used the medication d. Appearance of the treated areas on the patients face ...

Med Surg, Nervous System Study Questions Study 1. When admitting an acutely confused patient with a head injury, which action should the nurse take? a. Ask family members about the patient's health history. b. Ask leading questions to assist in obtaining health data. c. Wait until the patient is better oriented to ask questions. d. Obtain only the physiologic neurologic assessment data. ANS: A When admitting a patient who is likely to be a poor historian, the nurse should obtain hea...

Med Surge Respiratory Fever can cause _________ because of excessive fluid loss due to diaphoresis. Increased temperature also increases _________ and the demands for 02. Dehydration, metabolism Clients at high risk for pneumonia 1.) Altered level of consciousness 2.) depressed or absent gag and cough reflex 3.) Susceptible to aspirating oropharyngeal secretions, including alcoholics, anesthetized individuals 4.) Brain injury 5.) drug overdose 6.) stroke victims 7.) Immunocompromised ...