Unit 19 Blood Lab Report-1

4. Calcium Hydroxide Solution (Lime Water) and olive oil are used because an emulsifying agent is formed in situ when these 2 solutions are agitated together. What is the emulsifying agent that is formed? a. calcium succinate b. calcium oleate c. succinic hydroxide d. palmitic hydroxide

See picture. Any idea what these would look like?

An erythrocyte placed in pure water will lyse, but bacteria usually won’t. This is because        A. Bacteria grow best in pure water B. The cell wall prevents bacterial lysis C. Most bacteria will simply produce spores in that situation D. Bacteria cane move quickly

A college student who has been feeling fatigue decides to take an energy-boosting supplement advertised on a television infomercial and endorsed by a professional athlete. She reports feeling more energetic after taking the supplement but later discovers the supplement is only made of salt. What did the student experience?     A. The effectiveness of the energy supplement working in her body   B. The placebo effect; the student believing the supplement was working to increase energy   C. An increase in nerve conduction caused by the salt tablet   D. An increase in blood pressure

The process that drives dialysis is dependent on a. the dispersing medium b. vapor pressure c. the Tyndall effect d. osmosis

17. When drugs are absorbed into the body and then eliminated, a graph of concentration in the body vs. time will have the general shape shown at right. Using a drug with a slower elimination rate will Absorption 0.9 0.8 Elimination 0.7 0.6 the area 0.5 under the curve. 0.4 A. decrease 03 B. increase 0.2 C. not change 0.1 20 30 40 50 60 70 Time Concentration

4) A heart failure patient shows digoxin toxicity. She received 125 mcg as standard dose. Serum levels were reported to be 2 ng/mL (2 mcg/L). Target therapeutic level is 0.8 ng/mL. What dose should she receive? A. 25 mcg. B. 50 mcg. C. 75 mcg. D 100 mcg. E. 125 mcg. THE ANSC

Which of the following statements is not true?   a. It is okay to taste a chemical   b. No food or drink, including water, is allowed in laboratory   c. Read and re-read labels on containers of chemicals before opening them   d. Dispose the chemical waste to appropriate waste container

1. Did the slime pick up water soluble or water insoluble inks in? From these results, what can you conclude about the polarity of slime molecules? Explain. 2. Explain how you determined your hypothesis about whether or not the slime would pick up water soluble inks. What scientific information did you incorporate to formulate the hypothesis? Was your hypothesis correct?

10. Acetic acid is treated with Isopentyl alcohol. A catalyst (concentrated sulfuric acid) is added to the mixture and heated for 15 minutes at 60C. What is this reaction called? A. Esterification B. Acid Base (neutralization) reaction O C. Acid hydrolysis D. Base hydrolysis

Why does scratching the side of the flask with a spatula help form crystals? a. The scratch provides a nucleation site for crystal growth to start.  b. The spatula is made of iron, which helps crystallization. c. Crystals can form on the spatula surface. d. The spatula cools the solution, aiding recrystallization.

An injectable preparation comes packaged as a 4 g vial and states that you should add 35 mL to achieve a final concentration of 200 mg/2 mL. How much diluent should you add to achieve a final concentration of 125 mg/2 mL? O a. 52 mL O b.59 mL O c. 55 mL O d. 48 mL