Question 1

What is the most common infection of the lacrimal gland?

Accepted Answer

A)  Blepharitis 
B)  Dacryocystitis 
C)  Canaliculitis 
D)  Conjunctivitis 
A)  Blepharitis 
B)  Dacryocystitis 
C)  Canaliculitis 
D)  Conjunctivitis

Question 2

What contains enzymes and other factors that protect the conjunctiva from microbial invasion?

Accepted Answer

A)  Skin 
B)  Tears 
C)  Upper lid 
D)  Lower lid 
A)  Skin 
B)  Tears 
C)  Upper lid 
D)  Lower lid

Question 3

When performing ophthalmic cultures,what is very important?

Accepted Answer

A)  The specimen must be taken immediately to the lab. 
B)  The sample must be collected in a sterile, leak-proof container. 
C)  The specimen requisition must be filled out completely. 
D)  The ophthalmologist must communicate with the personnel performing the culture. 
A)  The specimen must be taken immediately to the lab. 
B)  The sample must be collected in a sterile, leak-proof container. 
C)  The specimen requisition must be filled out completely. 
D)  The ophthalmologist must communicate with the personnel performing the culture.

Question 4

Retinitis with this organism is common in AIDS patients.

Accepted Answer

A)  Epstein-Barr virus (EBV) 
B)  Arenavirus 
C)  Cytomegalovirus (CMV) 
D)  Herpes simplex virus (HSV) 
A)  Epstein-Barr virus (EBV) 
B)  Arenavirus 
C)  Cytomegalovirus (CMV) 
D)  Herpes simplex virus (HSV)

Question 5

How do bacteria cause keratitis associated with contact lenses?

Accepted Answer

A)  Biofilm formation 
B)  Growth in the contact lens 
C)  Attachment to the lens 
D)  Contamination of the fluid coating the lens 
A)  Biofilm formation 
B)  Growth in the contact lens 
C)  Attachment to the lens 
D)  Contamination of the fluid coating the lens

Question 6

Which condition is a medical emergency in children?

Accepted Answer

A)  Chronic sinusitis 
B)  Lacrimitis 
C)  Preseptal cellulitis 
D)  Orbital cellulitis 
A)  Chronic sinusitis 
B)  Lacrimitis 
C)  Preseptal cellulitis 
D)  Orbital cellulitis

Question 7

What is the indigenous ocular microbial flora?

Accepted Answer

A)  Mobiluncus and Lactobacillus 
B)  Coagulase-negative Staphylococcus and Corynebacteria 
C)  Coagulase-negative Staphylococcus and Lactobacillus 
D)  Moraxella and Corynebacteria 
A)  Mobiluncus and Lactobacillus 
B)  Coagulase-negative Staphylococcus and Corynebacteria 
C)  Coagulase-negative Staphylococcus and Lactobacillus 
D)  Moraxella and Corynebacteria

Question 8

The visual system is composed of all the following EXCEPT:

Accepted Answer

A)  Eyelid 
B)  Neural pathways 
C)  Orbital bones 
D)  Muscles 
A)  Eyelid 
B)  Neural pathways 
C)  Orbital bones 
D)  Muscles

Question 9

In warm climate,what organism is the most frequently isolated pathogen?

Accepted Answer

A)  Haemophilus influenzae 
B)  Neisseria meningitidis 
C)  N. gonorrhea 
D)  Staphylococcus aureus 
A)  Haemophilus influenzae 
B)  Neisseria meningitidis 
C)  N. gonorrhea 
D)  Staphylococcus aureus

Question 10

All of the following are risk factors associated with ocular infection EXCEPT:

Accepted Answer

A)  Age 
B)  Sex 
C)  Personal hygiene 
D)  Social economic status 
A)  Age 
B)  Sex 
C)  Personal hygiene 
D)  Social economic status

Question 11

What is the thinnest skin covering in the body?

Accepted Answer

A)  Eyeball 
B)  Lips 
C)  Eyelids 
D)  Nose 
A)  Eyeball 
B)  Lips 
C)  Eyelids 
D)  Nose

Question 12

What is the composition of the sclera?

Accepted Answer

A)  Mucous membrane 
B)  Collagen 
C)  Epithelial cells 
D)  Vitreous humor 
A)  Mucous membrane 
B)  Collagen 
C)  Epithelial cells 
D)  Vitreous humor

Exam 41: Ocular Infections

What is the most common infection of the lacrimal gland?

What contains enzymes and other factors that protect the conjunctiva from microbial invasion?

When performing ophthalmic cultures,what is very important?

Retinitis with this organism is common in AIDS patients.

How do bacteria cause keratitis associated with contact lenses?

Which condition is a medical emergency in children?

What is the indigenous ocular microbial flora?

The visual system is composed of all the following EXCEPT:

In warm climate,what organism is the most frequently isolated pathogen?

All of the following are risk factors associated with ocular infection EXCEPT:

What is the thinnest skin covering in the body?

What is the composition of the sclera?

Bacterial Cell Structure, physiology, Metabolism, and Genetics

Host-Parasite Interaction

Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Infected Materials

Use of Colonial Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antibiotic Mechanisms of Action and Resistance

Antimicrobial Susceptibility Testing

Staphylococci

Streptococcus, enterococcus, and Other Catalase-Negative Gram-Positive Cocci

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio,aeromonas,plesiomonas and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

Spirochetes

Chlamydia and Rickettsia

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Other Nontuberculosis Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror

Biofilms: Architects of Disease

Upper and Lower Respiratory Tract Infections

Skin and Soft Tissue Infections

Gastrointestinal Infections and Food Poisoning

Infections of the Central Nervous System

Bacteremia and Sepsis

Urinary Tract Infections

Genital Infections and Sexually Transmitted Diseases

Infections in Special Populations

Zoonotic Diseases

Filters