Question 1

In a polarizing microscope,the polarizing filters are:

Accepted Answer

A)  placed on top of each other. 
B)  placed at right angles to each other. 
C)  red and blue in color. 
D)  used to brighten the field being observed. 
A)  placed on top of each other. 
B)  placed at right angles to each other. 
C)  red and blue in color. 
D)  used to brighten the field being observed. B

Question 2

Fluorescent objects (natural,stained,or labeled)can be seen with a fluorescent microscope because they absorb the ____ light and emit light of yellow or ____ wavelength.

Accepted Answer

A)  blue; green 
B)  red; orange 
C)  green; purple 
D)  purple; red 
A)  blue; green 
B)  red; orange 
C)  green; purple 
D)  purple; red A

Question 3

The numerical aperture (NA)is:

Accepted Answer

A)  an index of the resolving power of a lens. 
B)  the distance from an object being viewed to the lens. 
C)  inscribed on each objective lens. 
D)  both a and b. 
A)  an index of the resolving power of a lens. 
B)  the distance from an object being viewed to the lens. 
C)  inscribed on each objective lens. 
D)  both a and b. D

Question 4

The magnifying powers of the usual microscope objectives are:

Accepted Answer

A)  5×, 10×, 20×. 
B)  10×, 20×, 40×. 
C)  10×, 40×, 80×. 
D)  10×, 40×, 100×. 
A)  5×, 10×, 20×. 
B)  10×, 20×, 40×. 
C)  10×, 40×, 80×. 
D)  10×, 40×, 100×.

Question 5

The definition of the microscopic working distance is the distance from the:

Accepted Answer

A)  bottom of the objective to the material being studied. 
B)  ocular to the bottom of the objective. 
C)  ocular to the material being studied. 
D)  top of the objective to the material being studied. 
A)  bottom of the objective to the material being studied. 
B)  ocular to the bottom of the objective. 
C)  ocular to the material being studied. 
D)  top of the objective to the material being studied.

Question 6

The definition of microscopic resolution is:

Accepted Answer

A)  an indication of how small individual dots can be and still be recognizable. 
B)  an indication of how close individual objects (dots) can be and still be recognizable. 
C)  the point at which the appearance of two dots results in a dumbbell appearance. 
D)  both a and b. 
A)  an indication of how small individual dots can be and still be recognizable. 
B)  an indication of how close individual objects (dots) can be and still be recognizable. 
C)  the point at which the appearance of two dots results in a dumbbell appearance. 
D)  both a and b.

Question 7

The term ocular is another name for the microscopic ____ that magnifies an image.

Accepted Answer

A)  objective 
B)  eyepiece 
C)  diaphragm 
D)  nosepiece 
A)  objective 
B)  eyepiece 
C)  diaphragm 
D)  nosepiece

Question 8

The most common type of microscope illumination system used in the clinical laboratory is:

Accepted Answer

A)  brightfield. 
B)  phase contrast. 
C)  polarizing. 
D)  fluorescent. 
A)  brightfield. 
B)  phase contrast. 
C)  polarizing. 
D)  fluorescent.

Question 9

Total magnification is the product of the magnification of the objective ____ the magnification of the ocular.

Accepted Answer

A)  added to 
B)  multiplied by 
C)  divided by 
D)  subtracted from 
A)  added to 
B)  multiplied by 
C)  divided by 
D)  subtracted from

Question 10

The definition of Köhler illumination is the:

Accepted Answer

A)  strength of the transmitted light. 
B)  light path through the microscope. 
C)  light path passing through the condenser of the microscope. 
D)  light path passing through the diaphragm of the microscope. 
A)  strength of the transmitted light. 
B)  light path through the microscope. 
C)  light path passing through the condenser of the microscope. 
D)  light path passing through the diaphragm of the microscope.

Question 11

Oil needs to be removed from the:

Accepted Answer

A)  ocular. 
B)  10× objective. 
C)  40× objective. 
D)  100× objective. 
A)  ocular. 
B)  10× objective. 
C)  40× objective. 
D)  100× objective.

Question 12

An artificial neural network:

Accepted Answer

A)  simulates the action of a robot. 
B)  simulates human brain processing of information. 
C)  simulates automated instruments. 
D)  follows strict algorithms. 
A)  simulates the action of a robot. 
B)  simulates human brain processing of information. 
C)  simulates automated instruments. 
D)  follows strict algorithms.

Question 13

The phase-contrast microscope differs from the brightfield microscope because of changes in:

Accepted Answer

A)  the objective. 
B)  the condenser. 
C)  the oculars. 
D)  both a and b. 
A)  the objective. 
B)  the condenser. 
C)  the oculars. 
D)  both a and b.

Question 14

The most dramatic change in microscopy in the last 3 decades,has been:

Accepted Answer

A)  invention of the electron microscope. 
B)  the ability to digitize images. 
C)  the ability to transmit microscopic images electronically. 
D)  both b and c. 
A)  invention of the electron microscope. 
B)  the ability to digitize images. 
C)  the ability to transmit microscopic images electronically. 
D)  both b and c.

Question 15

A brightfield microscope may be converted to a darkfield microscope by:

Accepted Answer

A)  use of a special darkfield condenser in place of the usual condenser. 
B)  replacement of the usual filters. 
C)  use of a special ocular. 
D)  changing the type of light source. 
A)  use of a special darkfield condenser in place of the usual condenser. 
B)  replacement of the usual filters. 
C)  use of a special ocular. 
D)  changing the type of light source.

In a polarizing microscope,the polarizing filters are:

Fluorescent objects (natural,stained,or labeled)can be seen with a fluorescent microscope because they absorb the light and emit light of yellow or wavelength.

The numerical aperture (NA)is:

The magnifying powers of the usual microscope objectives are:

The definition of the microscopic working distance is the distance from the:

The definition of microscopic resolution is:

The term ocular is another name for the microscopic ____ that magnifies an image.

The most common type of microscope illumination system used in the clinical laboratory is:

Total magnification is the product of the magnification of the objective ____ the magnification of the ocular.

The definition of Köhler illumination is the:

Oil needs to be removed from the:

An artificial neural network:

The phase-contrast microscope differs from the brightfield microscope because of changes in:

The most dramatic change in microscopy in the last 3 decades,has been:

A brightfield microscope may be converted to a darkfield microscope by:

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Principles and Practice of Clinical Hematology

Introduction to Hemostasis

Renal Physiology and Urinalysis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

Filters

Exam 5: The Microscope

In a polarizing microscope,the polarizing filters are:

Fluorescent objects (natural,stained,or labeled)can be seen with a fluorescent microscope because they absorb the ____ light and emit light of yellow or ____ wavelength.

The numerical aperture (NA)is:

The magnifying powers of the usual microscope objectives are:

The definition of the microscopic working distance is the distance from the:

The definition of microscopic resolution is:

The term ocular is another name for the microscopic ____ that magnifies an image.

The most common type of microscope illumination system used in the clinical laboratory is:

Total magnification is the product of the magnification of the objective ____ the magnification of the ocular.

The definition of Köhler illumination is the:

Oil needs to be removed from the:

An artificial neural network:

The phase-contrast microscope differs from the brightfield microscope because of changes in:

The most dramatic change in microscopy in the last 3 decades,has been:

A brightfield microscope may be converted to a darkfield microscope by:

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Principles and Practice of Clinical Hematology

Introduction to Hemostasis

Renal Physiology and Urinalysis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

Filters

Fluorescent objects (natural,stained,or labeled)can be seen with a fluorescent microscope because they absorb the light and emit light of yellow or wavelength.