Question 1

What part of the urinary tract is most susceptible to infection?

Accepted Answer

A)  Urethral mucosa 
B)  Bladder 
C)  Ureters 
D)  Nephrons 
A)  Urethral mucosa 
B)  Bladder 
C)  Ureters 
D)  Nephrons

Question 2

Bacteria gain access to the urinary tract by all of the following routes, except

Accepted Answer

A)  the ascending route. 
B)  the neurologic route. 
C)  the hematogenous route. 
D)  the lymphatic pathways. 
A)  the ascending route. 
B)  the neurologic route. 
C)  the hematogenous route. 
D)  the lymphatic pathways.

Question 3

What group has the most UTIs caused by Staphylococcus saprophyticus?

Accepted Answer

A)  Asymptomatic older adult men 
B)  Symptomatic sexually active young women 
C)  Symptomatic middle-age men 
D)  Elderly women 
A)  Asymptomatic older adult men 
B)  Symptomatic sexually active young women 
C)  Symptomatic middle-age men 
D)  Elderly women

Question 4

In what type of specimen is the etiologic agent of acute prostatitis usually recovered?

Accepted Answer

A)  Voided midstream urine 
B)  Suprapubic aspirate 
C)  Straight catheterization 
D)  All of the above 
A)  Voided midstream urine 
B)  Suprapubic aspirate 
C)  Straight catheterization 
D)  All of the above

Question 5

What is the most common cause of uncomplicated UTIs?

Accepted Answer

A)  Pseudomonas aeruginosa 
B)  Staphylococcus epidermidis 
C)  Streptococcus agalactiae 
D)  Escherichia coli 
A)  Pseudomonas aeruginosa 
B)  Staphylococcus epidermidis 
C)  Streptococcus agalactiae 
D)  Escherichia coli

Question 6

What size calibrated loops should be used to inoculate a urine sample that was collected by suprapubic aspiration?

Accepted Answer

A)  0.001 mL 
B)  0.01 mL 
C)  0.1 mL 
D)  1.0 mL 
A)  0.001 mL 
B)  0.01 mL 
C)  0.1 mL 
D)  1.0 mL

Question 7

All of the following features should be considered in a UTI workup, except

Accepted Answer

A)  colony count of a pure or predominant organism. 
B)  measurement of pyuria. 
C)  presence or absence of symptoms. 
D)  nitrite positive. 
A)  colony count of a pure or predominant organism. 
B)  measurement of pyuria. 
C)  presence or absence of symptoms. 
D)  nitrite positive.

Question 8

What is the definitive method for collecting uncontaminated urine specimens?

Accepted Answer

A)  Catheterized specimen 
B)  Suprapubic aspirate 
C)  First morning specimen 
D)  Voided midstream specimen 
A)  Catheterized specimen 
B)  Suprapubic aspirate 
C)  First morning specimen 
D)  Voided midstream specimen

Question 9

What characteristic of urine inhibits growth of many pathogens?

Accepted Answer

A)  High glucose level 
B)  Low pH 
C)  High protein level 
D)  High pH 
A)  High glucose level 
B)  Low pH 
C)  High protein level 
D)  High pH

Question 10

While Gardnerella vaginalis can be a cause of UTIs, its presence in urine generally indicates

Accepted Answer

A)  fecal contamination. 
B)  vaginal contamination. 
C)  immune suppression. 
D)  poor personal hygiene. 
A)  fecal contamination. 
B)  vaginal contamination. 
C)  immune suppression. 
D)  poor personal hygiene.

Exam 37: Urinary Tract Infections

What part of the urinary tract is most susceptible to infection?

Bacteria gain access to the urinary tract by all of the following routes, except

What group has the most UTIs caused by Staphylococcus saprophyticus?

In what type of specimen is the etiologic agent of acute prostatitis usually recovered?

What is the most common cause of uncomplicated UTIs?

What size calibrated loops should be used to inoculate a urine sample that was collected by suprapubic aspiration?

All of the following features should be considered in a UTI workup, except

What is the definitive method for collecting uncontaminated urine specimens?

What characteristic of urine inhibits growth of many pathogens?

While Gardnerella vaginalis can be a cause of UTIs, its presence in urine generally indicates

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Hostparasite Interaction

The Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Materials From Infected Sites

Use of Colony Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antimicrobial Agent Mechanisms of Action and Resistance Mechanisms

Antimicrobial Susceptibility Testing

Staphylococci

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

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus, Hacek, Legionella, and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio, Aeromonas, and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

The Spirochetes

Chlamydia, Rickettsia, and Similar Organisms

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Nontuberculous Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror and Forensic Microbiology

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

Genital Infections and Sexually Transmitted Infections

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

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