Chapter 10, Problem 4RQ

Photoelectric effect increases the _________ in an x-ray image while Compton scattering increases the _________ . Therefore, _________ is not desirable in diagnostic imaging. Select one: a. image noise; radioactivity; photoelectric effect b. image contrast; image noise; Compton scattering c. radioactivity; image noise; Compton scattering d. image noise; image contrast; photoelectric effect

My field is COSMETIC SCIENCE What information can be obtained from UV-vis Spectra and how this can be applied in your chosen field? (maximum of 500 words)

A capsule stain is kind of: A Simple and Negative Stain B Differential and negative stain C Simple Stain D Differential stain E Negative Stain

Do you feel that laboratory animals should be used in experiments in toxicology? Why or why not?

Why are products mixed with phenols and surfactants preferred when cleaning surfaces?   Question 14 options:   More cost effective   These remove visible residue   Better for skin allergies   Saves time/more effective with one step cleaning and disinfectants

13.  Which of the following will absorb and decolorize the highest amount of iodine solution? Click all answers that apply Water Butanol Clove oil Peanut oil Peppermint oil   14. Which of the following will leave a stain but NOT grease on paper after a few minutes of exposure to air? Click all answers that apply Water Butanol Clove oil Peanut oil Peppermint oil   15. Which of the following will turn the paper translucent? Click all answers that apply Water Butanol Clove oil Peanut oil Peppermint oil   17. Which of the following will absorb and decolorize the highest amount of iodine solution? Click all answers that apply Water Butanol Clove oil Peanut oil Peppermint oil

Increasing the tube voltage on a clinical x-ray unit:     a. Improves the resolution of an x-ray image.     b. Increases the intensity of the Characteristic x-rays.     c. Increases the intensity of the Bremsstrahlung x-rays.     d. Increases the energy of the Bremsstrahlung x-rays.     e. Increases the energy of the Characteristic x-rays.   and why??

Smudge cells are frequently seen in:   Question 6 options:   A)  CLL.   B)  CML.   C)  ALL.   D)  AML.

The quality of essential oils has been tested using different methods including: (Select all that apply) Choose at least one answer. a. Gas Chromatography (GC) b. Gas Spectrometry (GS), c. Chiral Chemical Analysis (CCA) d. Mass Spectrometry (MS)