Lab Exam 1-4

Question 1

Describe the function of the Ocular, and Identify it.

Answer 1

The Ocular is the piece that is looked through and contains magnifying lenses.

Question 2

Describe the function of the Objective, and Identify it.

Answer 2

The function of the objective arm is to hold further magnifying lenses

Question 3

Describe the function of the Arm, and identify it.

Answer 3

The function of the arm is that it is used as a hand grip (the other hand should be on the bottom of the microscope)

Question 4

Describe the function of the Stage, and Identify it.

Answer 4

The function if the Stage is to support the slide or specimen above the hole through which light is allowed

Question 5

Describe the function of a Coarse-Focus Knob, and identify it.

Answer 5

The function of a Course-Focus Knob is that it changes distance between the objective lenses and the stage to roughly focus the specimen

Question 6

Describe the function of a Blue filter and Identify it.

Answer 6

The function of a blue filter is to increase resolution by decreasing the wavelength of light

Question 7

Describe the function of a Mechanical Stage and Identify it.

Answer 7

The function of a Mechanical stage is to hold the slide on the stage and allow for exact slide manipulation

Question 8

Describe the function of the Mechanical stage knobs and identify them.

Answer 8

The function of the Mechanical stage knobs is to move the stage very pricisly vertically and horizontally.

Question 9

Describe the function of the Fine Focus Knob and identify it.

Answer 9

The function of the Fine Focus Knob is to decrease the distance between the objective lenses, focusing the specimen more precisely

Question 10

Describe the function of the Condenser and identify it.

Answer 10

The function of the Condenser is to use 2 lenses to focus light onto the specimen

Question 11

Describe the Function of the Iris Diaphragm and Identify it.

Answer 11

The Function of the Iris Diaphragm is to regulate the amount of light passing through the 2 lenses in the condenser, therefore adjusting the intensity of the light on the specimen.

Question 12

Describe the Function of a Condenser Adjustment and Identify it.

Answer 12

The Function of the Condenser Adjustment is to move the condenser up and down.

Question 13

Describe the Function of a Lamp Switch and Identify it.

Answer 13

The Function of a Lamp Switch to turn on or off the light source

Question 14

Describe the Function of the Lamp Intensity Dial and Identify it.

Answer 14

The Function of the Lamp Intensity Dial is to increase or decrease the intensity of the light produced by the light source

Question 15

Describe the Function of the Stage Clips and Identify them.

Answer 15

The function of the stage clips is to hold the slide in position on the stage

Question 16

Describe the Function of the Main Switch and identify it.

Answer 16

The Function of the Main Switch is to turn on and off the main supply of power to the dissecting microscope

Question 17

Describe the Function of the T-Switch, and Identify it.

Answer 17

The Function of the T-Switch is to turn on and off the light under the specimen

Question 18

Describe the Function of the I-switch and Identify it.

Answer 18

The Function of the I-Switch is to turn off and on the switch above the specimen