Care and Structure of the Compound Microscope 1. Label all indicated parts of the microscope. A B C D E F G 2. Explain the proper technique for transporting the microscope. H I J K L M N
The Correct Answer and Explanation is:
Labeled Parts of the Compound Microscope:
A – Ocular Lens (Eyepiece)
B – Body Tube
C – Stage
D – Stage Clips
E – Diaphragm
F – Light Source / Illuminator
G – Base
H – Arm
I – Nosepiece (Rotating Turret)
J – Objective Lenses
K – Mechanical Stage Control
L – Coarse Adjustment Knob
M – Fine Adjustment Knob
N – Power Switch
Explanation (Including Proper Transport Technique):
The compound microscope is a fundamental tool in biology and medical labs, designed for magnifying small specimens using a series of lenses. Understanding its structure ensures accurate use and helps prevent damage. The ocular lens (A) is where you look through, usually providing 10x magnification. Light travels through the body tube (B) to reach your eyes. The stage (C) holds the slide, secured by stage clips (D), while the diaphragm (E) controls the amount of light. The light source (F), located in the base (G), provides illumination.
The arm (H) supports the body tube and connects to the base. The nosepiece (I) holds the objective lenses (J), which offer different magnifications (e.g., 4x, 10x, 40x). The mechanical stage control (K) allows for precise slide positioning. The coarse adjustment knob (L) moves the stage up/down quickly for general focusing, while the fine adjustment knob (M) allows for sharp focus. The power switch (N) controls the light source.
Proper Transport Technique:
To safely transport a microscope, always use two hands. One hand should firmly grip the arm (H), and the other should support the base (G). This ensures balance and prevents the microscope from falling or components from being damaged. Never carry a microscope by the stage, knobs, or eyepiece to avoid misalignment or breakage. Additionally, ensure the power is turned off and the cord is secured to prevent tripping hazards or tugging.
