QUESTION 1
Match the parts of a microscope to their description.
- A. B. C. D. Stage
- A. B. C. D. Condenser Diaphragm
- A. B. C. D. Dimmer Switch
- A. B. C. D. Objectives
A. This part controls contrast
B. Contain the lenses
C. Turns the light source on/off and controls the intensity of the light.
D. The platform on which you place your slides.
1 points
QUESTION 2
When adjusting your focus at LOW power, what is the order of the following actions?
- 1. 2. 3. 4.
Use the course focus to get the sample into focus.
- 1. 2. 3. 4.
Use both the diaphragm & coarse control to get into focus.
- 1. 2. 3. 4.
Check that there is play in the fine focus.
- 1. 2. 3. 4.
Adjust the diaphragm to control the brightness of your view.
1 points
QUESTION 3
Once you go to any objective higher than 10x, the coarse focus adjustment is not used.
True
False
1 points
QUESTION 4
The image that you see through the eyepieces is actually and relative to how that object is oriented on the slide.
1 points
QUESTION 5
During the __________ century, Abbas Ibn Firnas, an Arabic-speaking North African living in Spain, invented the first corrective lenses.
a. 9th
b. 15th
c. 12th
d. 9th
1 points
QUESTION 6
Check the Iodine MSDS Sheet for the information. What are the proper PPE to use when using Iodine?
Safety glasses.
Gloves.
Shorts/Skirts
Protective clothing (includes lab coat)
QUESTION 1
Match the parts of a microscope to their description.
|
|
1 points
QUESTION 2
When adjusting your focus at LOW power, what is the order of the following actions?
- 1. 2. 3. 4.
Use the course focus to get the sample into focus.
- 1. 2. 3. 4.
Use both the diaphragm & coarse control to get into focus.
- 1. 2. 3. 4.
Check that there is play in the fine focus.
- 1. 2. 3. 4.
Adjust the diaphragm to control the brightness of your view.
1 points
QUESTION 3
Once you go to any objective higher than 10x, the coarse focus adjustment is not used.
True
False
1 points
QUESTION 4
The image that you see through the eyepieces is actually and relative to how that object is oriented on the slide.
1 points
QUESTION 5
During the __________ century, Abbas Ibn Firnas, an Arabic-speaking North African living in Spain, invented the first corrective lenses.
| a. | 9th | |
| b. | 15th | |
| c. | 12th | |
| d. | 9th |
1 points
QUESTION 6
Check the Iodine MSDS Sheet for the information. What are the proper PPE to use when using Iodine?
| Safety glasses. | ||
| Gloves. | ||
| Shorts/Skirts | ||
| Protective clothing (includes lab coat) |
Related textbook solutions
Related questions
QUESTION 1
The ocular of a compound microscope has a magnification of 10x and the objective has a magnification of 10x. The total magnification of the microscope is ___---
| a. | 10x | |
| b. | 20x | |
| c. | 100x | |
| d. | 1000x |
QUESTION 2
The part of the microscope that focuses the light on an object is the ___________.
| a. | Iris Diaphragm | |
| b. | Coarse Focus | |
| c. | Condenser | |
| d. | Body Tube |
QUESTION 3
The polarizing filter in a PLM that is located above the objective is called the _________________.
| a. | Polarizer | |
| b. | Analyzer | |
| c. | Abbe condenser | |
| d. | Iris |
QUESTION 4
A substance that reacts the same to light polarized in any direction is _________________.
| a. | an isotope | |
| b. | anisotropic | |
| c. | isotropic | |
| d. | divergent |
QUESTION 5
The part of the comparison microscope that allows the examiner to view two objects simultaneously is called the _________________.
| a. | comparator | |
| b. | comparison bridge | |
| c. | spectroscope | |
| d. | stage |
1 points
QUESTION 6
A stereo microscope can best be described as _____________________.
| a. | Two compound microscopes aligned so that they each see a slightly different part of an object. | |
| b. | Two compound microscopes aligned with a comparison bridge. | |
| c. | A compound microscope with two separate stages and one ocular. | |
| d. | A compound microscope with two eyepieces and a camera mount. |
QUESTION 7
In microscopy, resolution is a measure of ________________.
| a. | The ability of the lenses to separate two tiny details that are close together. | |
| b. | The total magnification power of the microscope. | |
| c. | The empty magnification power of the microscope. | |
| d. | The ability of an electron microscope to determine the presence of a large number of elements. |
QUESTION 8
Two polarizers (polarizing filters) aligned 90° from each other will block out all light.
True
False
QUESTION 9
A simple convex lens creates a magnified real image of an object.
True
False
QUESTION 10
A trinocular microscope has three objective lenses mounted on a turret.
True
False
QUESTION 11
Liquids and gases are usually isotropic.
True
False
QUESTION 12
Match each of the following terms with Its Definition
Compound microscope a. Has a polarizer and an analyzer
Electron microscope b. Permits viewing two objects at once
Stereomicroscope c. Consists of a single convex lens
Comparison microscope d. Long working distance, three-dimensional
Simple hand magnifier e. Basic 2 convex lens microscope
Polarizing microscope f. Can magnify images more than 100,000 times
QUESTION 4
A substance that reacts the same to light polarized in any direction is _________________.
| a. | an isotope | |
| b. | anisotropic | |
| c. | isotropic | |
| d. | divergent |
QUESTION 5
The part of the comparison microscope that allows the examiner to view two objects simultaneously is called the _________________.
| a. | comparator | |
| b. | comparison bridge | |
| c. | spectroscope | |
| d. | stage |
QUESTION 6
A stereo microscope can best be described as _____________________.
| a. | Two compound microscopes aligned so that they each see a slightly different part of an object. | |
| b. | Two compound microscopes aligned with a comparison bridge. | |
| c. | A compound microscope with two separate stages and one ocular. | |
| d. | A compound microscope with two eyepieces and a camera mount. |
QUESTION 7
In microscopy, resolution is a measure of ________________.
| a. | The ability of the lenses to separate two tiny details that are close together. | |
| b. | The total magnification power of the microscope. | |
| c. | The empty magnification power of the microscope. | |
| d. | The ability of an electron microscope to determine the presence of a large number of elements. |
QUESTION 8
Two polarizers (polarizing filters) aligned 90° from each other will block out all light.
True
False
QUESTION 9
A simple convex lens creates a magnified real image of an object.
True
False
QUESTION 10
A trinocular microscope has three objective lenses mounted on a turret.
True
False
QUESTION 11
Liquids and gases are usually isotropic.
True
False
QUESTION 12
Match each of the following terms with Its Definition
Compound microscope a. Has a polarizer and an analyzer
Electron microscope b. Permits viewing two objects at once
Stereomicroscope c. Consists of a single convex lens
Comparison microscope d. Long working distance, three-dimensional
Simple hand magnifier e. Basic 2 convex lens microscope
Polarizing microscope f. Can magnify images more than 100,000 times
