front 1 Which of the following is the smallest?
| back 1 c. nanometer |
front 2 A nanometer is __________ than a micrometer
| back 2 d. 1000 x smaller |
front 3 Resolution is best described as _________
| back 3 c. the ability to distinguish between two adjacent objects |
front 4 Curbed glass lenses _________ light.
| back 4 d. both refract and bend |
front 5 Which of the following factors is important in making an image appear larger?
| back 5 d. all of the above |
front 6 which of the following is different between light microscopy and transmission electron microscopy?
| back 6 d. all of the above |
front 7 Which of the following types of microscopes produces a three dimensional image with a shadowed appearance?
| back 7 b. differential interference contrast microscope |
front 8 Which of the following microscopes combines the greatest magnification with the best resolution?
| back 8 a. confocal microscope |
front 9 Negative stains such as eosin are also called _______________________.
| back 9 a. capsule stains |
front 10 In the binomial system of nomenclature, which term is always written in lowercase letters?
| back 10 d. specific epithet |
front 11 If an object magnifies 40 x and each binocular lens magnifies 15 x, the total magnification of the object being viewed is _____________. | back 11 600 x |
front 12 The type of fixation developed by Koch for bacteria is ___________________. | back 12 heat fixation |
front 13 Immersion oil ___________ (increases/decreases) the numerical aperture, which _______________(increases/decreases) resolution because ______________ (more/fewer) light rays are involved. | back 13 increases increases more |
front 14 ___________ refers to differences in intensity between two objects | back 14 contrast |
front 15 Cationic chromophores such as mthylene blue ionically bond to ______________ (positively/negatively) charged chemicals such as DNA and proteins. | back 15 negatively |