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23 Nov 2019

Describe when to use the coarse adjustment knob and when to use the fine adjustment knob.

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Keith Leannon
Keith LeannonLv2
2 Oct 2019
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Related questions

You can use the coarse adjustment with the scanningobjective and the low power objective in place.

True or False

In order to trigger the releaseof neurotransmitter from a neuron terminal, calciumions:

a. exit the synaptic knob through diffusion

b. bind to proteins on the surface of synaptic vesicles

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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)

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