Ap Report

AP-1 Lab 01 – Lab Report Name: _Pete Dorris___________

Section: _Biology 110-OL1_____

Laboratory Report: Exercise 1: Using the Microscope

Purpose: What is the purpose of this exercise? Are there any safety concerns associated with this exercise? If so, list what they are and what precautions should be taken.

QUESTIONS:

1. The following statements are true or false. If true, write a “T” on the answer line. If false, write a word or phrase in the blank to make the statement true.

_F__ a) The microscope lens may be cleaned with any soft tissue.

_F___ b) The coarse adjustment knob maybe used in focusing with all objective lenses.

_T___ c) When beginning to focus, the lowest power lens should be used.

_F___d) Resolution decreases as the amount of light coming in on the object increases.

_F___ e) When focusing always focus toward the specimen.

2. Match the microscope structures in column B with the statements or phrases about them in column A.

Column A Column B

__C_ 1) Platform on which the slide rests for viewing. a. nosepiece

_D__ 2) Used for precise focusing after initial focusing b. eyepiece

_E__ 3) Used to increase the amount of light passing c. stage

through the specimen.

_B__ 4) Lens located on the superior end of the body tube. d. fine focus knob

_A__ 5) Carries the objective lenses and rotates to change e. iris diaphragm

magnification.

3. Explain the proper technique for transporting a microscope.

Transport in an upright position with one hand on its arm and the other supporting the base. Avoid swinging or slamming it down.

Define the following terms:

field of view

The diameter of the circle of light that you see when you look through the eye piece

resolution

Measures how much detail someone can see through the microscope

total magnification

The total power of magnification refers to how big you can actually size the view...