Question 1

All of the following are true of a stereomicroscope, except

Accepted Answer

A)  it can also be called a dissecting microscope. 
B)  it is used to view large, opaque specimens. 
C)  the image of the specimen is reversed and inverted. 
D)  it can be used to view an object 3-dimensionally. 
E)  it provides less magnification than a compound light microscope. 
A)  it can also be called a dissecting microscope. 
B)  it is used to view large, opaque specimens. 
C)  the image of the specimen is reversed and inverted. 
D)  it can be used to view an object 3-dimensionally. 
E)  it provides less magnification than a compound light microscope. C

Question 2

A compound microscope is one that has two ocular lenses.

Accepted Answer

A) True 
 B)False  False

Question 3

If a microscopic lens is not clean, after cleaning it with lens paper or a cotton swab and lens cleaner, it should be cleaned with hydrochloric acid.

Accepted Answer

A) True 
 B)False  False

Question 4

What is the proper way to carry a microscope?

Accepted Answer

A)  Wrap one hand around the arm of the microscope. 
B)  Carry it with both hands supporting the stage. 
C)  Use one hand on the arm of the microscope, and the other hand supporting the base. 
D)  Carry it with one hand on each side of the base. 
E)  Carry it with one hand on the body tube, and the other hand under the base. 
A)  Wrap one hand around the arm of the microscope. 
B)  Carry it with both hands supporting the stage. 
C)  Use one hand on the arm of the microscope, and the other hand supporting the base. 
D)  Carry it with one hand on each side of the base. 
E)  Carry it with one hand on the body tube, and the other hand under the base.

Question 5

Which part of the microscope is responsible for making small changes in focus when using the high-power objective lens?

Accepted Answer

A)  Fine adjustment knob 
B)  Iris diaphragm lever 
C)  Rotating nosepiece 
D)  Coarse adjustment knob 
E)  Substage illuminator 
A)  Fine adjustment knob 
B)  Iris diaphragm lever 
C)  Rotating nosepiece 
D)  Coarse adjustment knob 
E)  Substage illuminator

Question 6

Why is it important to use only the fine adjustment knob when using the high-power or oil immersion lenses?

Accepted Answer

A)  Using the coarse adjustment knob might crack the coverslip or slide, due to the close working distance. 
B)  You will not be able to focus on the specimen with the coarse adjustment knob. 
C)  There will not be enough light on the specimen to see it, if the coarse adjustment knob is used. 
D)  The condenser does not function when using the coarse adjustment knob. 
E)  The iris diaphragm does not function when using the coarse adjustment knob. 
A)  Using the coarse adjustment knob might crack the coverslip or slide, due to the close working distance. 
B)  You will not be able to focus on the specimen with the coarse adjustment knob. 
C)  There will not be enough light on the specimen to see it, if the coarse adjustment knob is used. 
D)  The condenser does not function when using the coarse adjustment knob. 
E)  The iris diaphragm does not function when using the coarse adjustment knob.

Question 7

When viewing a specimen on a compound light microscope, the image is right-side-up but reversed.

Accepted Answer

A) True 
 B)False

Question 8

All of the following practices should be followed when making a wet mount, except

Accepted Answer

A)  the specimen should be covered with a drop of water. 
B)  the wet specimen should be covered with a coverslip. 
C)  the specimen can be opaque and up to 1mm in thickness. 
D)  the microscope should not be tilted. 
E)  if using the oil immersion lens, open the iris diaphragm to illuminate the specimen. 
A)  the specimen should be covered with a drop of water. 
B)  the wet specimen should be covered with a coverslip. 
C)  the specimen can be opaque and up to 1mm in thickness. 
D)  the microscope should not be tilted. 
E)  if using the oil immersion lens, open the iris diaphragm to illuminate the specimen.

Question 9

The magnification of a specimen viewed with a 10x eyepiece and a 40x high-power objective lens is ________.

Accepted Answer

A)  50x 
B)  40x 
C)  10x 
D)  400x 
E)  500x 
A)  50x 
B)  40x 
C)  10x 
D)  400x 
E)  500x

Question 10

Which of the following parts of the microscope concentrates the light onto the microscopic slide?

Accepted Answer

A)  Iris diaphragm lever 
B)  Substage illuminator 
C)  Fine adjustment knob 
D)  Condenser 
E)  Objective lens 
A)  Iris diaphragm lever 
B)  Substage illuminator 
C)  Fine adjustment knob 
D)  Condenser 
E)  Objective lens

Question 11

What is the typical magnification provided by the eyepiece (ocular) lens system?

Accepted Answer

A)  100x 
B)  10x 
C)  4x 
D)  1,000x 
E)  0x (the eyepiece lens system does not provide any magnification) 
A)  100x 
B)  10x 
C)  4x 
D)  1,000x 
E)  0x (the eyepiece lens system does not provide any magnification)

Question 12

The greatest magnification on the compound light microscope can be achieved by using the high power objective lens.

Accepted Answer

A) True 
 B)False

Question 13

When first focusing a microscope on a specimen, which objective lens should always be used first?

Accepted Answer

A)  Low-power 
B)  Scanning 
C)  Oil immersion 
D)  High-power 
E)  It does not matter; any objective lens can be used first. 
A)  Low-power 
B)  Scanning 
C)  Oil immersion 
D)  High-power 
E)  It does not matter; any objective lens can be used first.

Question 14

A parfocal microscope is one that keeps the specimen in focus (or very close to it) when a higher-power objective lens is rotated into position, after focusing with a lower-power objective.

Accepted Answer

A) True 
 B)False

Question 15

What is the working distance on a microscope?

Accepted Answer

A)  The distance between your eye and the ocular lens 
B)  The distance between the condenser and the slide 
C)  The distance between the specimen and the slide 
D)  The distance between the objective lens and the slide 
E)  The distance between the ocular lens and the objective lens 
A)  The distance between your eye and the ocular lens 
B)  The distance between the condenser and the slide 
C)  The distance between the specimen and the slide 
D)  The distance between the objective lens and the slide 
E)  The distance between the ocular lens and the objective lens

Exam 4: Care and Use of the Microscope

All of the following are true of a stereomicroscope, except

A compound microscope is one that has two ocular lenses.

If a microscopic lens is not clean, after cleaning it with lens paper or a cotton swab and lens cleaner, it should be cleaned with hydrochloric acid.

What is the proper way to carry a microscope?

Which part of the microscope is responsible for making small changes in focus when using the high-power objective lens?

Why is it important to use only the fine adjustment knob when using the high-power or oil immersion lenses?

When viewing a specimen on a compound light microscope, the image is right-side-up but reversed.

All of the following practices should be followed when making a wet mount, except

The magnification of a specimen viewed with a 10x eyepiece and a 40x high-power objective lens is ________.

Which of the following parts of the microscope concentrates the light onto the microscopic slide?

What is the typical magnification provided by the eyepiece (ocular) lens system?

The greatest magnification on the compound light microscope can be achieved by using the high power objective lens.

When first focusing a microscope on a specimen, which objective lens should always be used first?

A parfocal microscope is one that keeps the specimen in focus (or very close to it) when a higher-power objective lens is rotated into position, after focusing with a lower-power objective.

What is the working distance on a microscope?

Scientific Method and Measurements

Body Organization, Membranes, and Terminology

Chemistry of Life

Cell Structure and Function

Movements Through Membranes

Cell Cycle

Epithelial Tissues

Connective Tissues

Muscle and Nervous Tissues

Integumentary System

Bone Structure and Classification

Organization of the Skeleton

Skull

Vertebral Column and Thoracic Cage

Pectoral Girdle and Upper Limb

Pelvic Girdle and Lower Limb

Fetal Skeleton

Joint Structure and Movements

Skeletal Muscle Structure and Function

Electromyography: Biopac Exercise

Muscles of the Head and Neck

Muscles of the Chest, Shoulder, and Upper Limb

Muscles of the Vertebral Column, Abdominal Wall, and Pelvic Floor

Muscles of the Hip and Lower Limb

Surface Anatomy

Nervous Tissue and Nerves

Meninges, Spinal Cord, and Spinal Nerves

Reflex Arc and Somatic Reflexes

Brain and Cranial Nerves

Reaction Time: Biopac Exercise

Electroencephalography I: Biopac Exercise

Dissection of the Sheep Brain

General Senses

Smell and Taste

Eye Structure

Visual Tests and Demonstrations

Ear and Hearing

Ear and Equilibrium

Endocrine Structure and Function

Diabetic Physiology

Blood Cells

Blood Testing

Blood Typing

Heart Structure

Cardiac Cycle

Electrocardiography: Biopac Exercise

Blood Vessel Structure, Arteries, and Veins

Pulse Rate and Blood Pressure

Lymphatic System

Respiratory Organs

Breathing and Respiratory Volumes

Spirometry: Biopac Exercise

Control of Breathing

Digestive Organs

Action of a Digestive Enzyme

Metabolism

Urinary Organs

Urinalysis

Male Reproductive System

Female Reproductive System

Meiosis, Fertilization, and Early Development

Genetics

Filters