MMSC 438 quiz questions

What is Dr. Davis' FIRST name? A. Roderick B. Russel C. Richard D. Robert

C. Richard

Anaerobic cultures are generally inappropriate requests for all except _________________. A. catheters B. clean catch urines C. Stool cultures D. IUDs

D. IUDs

Which of these are generally **NOT** required on an acceptable specimen? A.  site (hospital, long term care facility, clinic) B. Name C. Date and Time of collection D. unique identification number

A.  site (hospital, long term care facility, clinic)

Most hospital laboratories are equipped to handle environmental samples. A. True B. False

B. False

Which of these specimens should be rejected by the microbiology laboratory for testing? A. A CSF for PCR 1 hour past stability B. an IUD for anaerobic culture C. A swab collected during surgery D. None should be rejected

D. None should be rejected

Data generated by the laboratory is directly influenced by _________________. A. the air quality in the laboratory. B. the quality of the specimen and its condition when received. C. the physician’s decision to do the test. D. quality control performed on a monthly basis.

B. the quality of the specimen and its condition when received.

How should specimen collection instructions be given to the patient to ensure collection of a good specimen for culture? A. Verbally, in many different languages B. Both verbal and written instruction in simple language C. Verbally, only in English D. Written only in English

B. Both verbal and written instruction in simple language

Sputum specimens are often collected for the diagnosis of __________________. A. dysentery B. acute pharyngitis C. bacterial pneumonia D. meningitis

C. bacterial pneumonia

Proper identification of each specimen includes a label firmly attached to the container with all the following information, ***except ________________________.*** A. Identification number B. diagnosis C. date D. name

B. diagnosis

All of these are primary pathogens in the GI tract EXCEPT______________________. A. Yersinia enterocolitica B. Salmonella enterica subs Typhimurium C. Klebsiella pneumoniae D. Shigella sonnei

C. Klebsiella pneumoniae

Traveler's diarrhea (known by many racially insensitive names like "Delhi belly" and "Montezuma's revenge") is primarily caused by __________________. A. C. dificile B. Campylobacter spp. C. EIEC D. EHEC E. ETEC

E. ETEC

Common food vehicles for GI infections / food poisoning include all of the following EXCEPT ______________________. A. eggs B. shellfish C. fried rice D. pasteurized milk E. undercooked chicken

D. pasteurized milk

All of these bacterial pathogens are generally cultured EXCEPT _______________. A. C. Difficile B. Salmonella enterica Typhi C. Shigella spp. D. Campylobacter Jejuni E. Vibrio spp

A. C. Difficile

The selective agar of choice for isolating *Salmonella spp.* is _________________. A. Hektoen Enteric (HE) B. CIN C. SMAC D. TCBS

A. Hektoen Enteric (HE)

Each of these organisms is part of the microbiome (normal flora) except ___________________. A. Peptostreptococcus araerobius B. Enterobacter aerogenes C. E. histolytica D. Bacteroides fragilis

C. E. histolytica

___________________________ is the syndrome which typically involves bloody diarrhea and fever and is generally caused by *Shigella* spp. A. cholera B. constipation C. dysentery D. persistent diarrhea

C. dysentery

Generally, serology is NOT sufficient to determine the pathogenicity of an *E. coli* , but there is one exception. Name it. A. O111:H2 B. O124:H30 C. O63:H12 D. O157:H7

D. O157:H7

The infection with _____________ is very common in children under 5 years of age. A. rotavirus B. Enteric adenoviruses C. Giardia lamblia D. astrovirus

A. rotavirus

The most common cause of gastroenteritis worldwide is ____________________________. A. Shigella sonnei B. Campylobacter jejuni C. Vibrio vulnificus D. EAggEC E. EPEC

disease- causing bacteria in the bladder is called ________. A. pyelonephritis B. cystitis C. ureteritis cystica D. urethritis

B. cystitis

what characteristics of urine inhibits growth of many pathogens? A. high pH B. low pH C. high glucose level D. high protein level

B. low pH

bacteria gain access to the urinary tract by all the following routes except: A. the neurologic route B. the lymphatic route C. the hematogenous route D. the ascending route

A. the neurologic route

what is the most common cause of uncomplicated UTIs? A. Staphylococcus epidermidis B. Escherichia coli C. Pseudomonas aeruginosa D. Streptococcus agalactiae

B. Escherichia coli

What group has the most UTIs caused by Staphylococcus saprophyticus? A. asymptomatic older adult men B. very elderly women C. symptomatic middle age men D. symptomatic sexually active young women

D. symptomatic sexually active young women

What is the most commonly used method to collect urine samples? A. Suprapubic aspirate B. Voided midstream specimen C. First morning voided specimen D. Catheterized specimen

B. Voided midstream specimen

What do specimens with multiple uropathogens (i.e. three or more) indicate? A. Polymicrobial infection B. Probable contamination C. Bacteremia D. Septicemia

B. Probable contamination

What is the PREFERRED used method to collect urine samples? A. Catheterized specimens B. Suprapubic aspirate C. Voided midstream specimen D. First morning specimen

D. First morning specimen

While Gardnerella vaginalis can be a cause of UTIs, its presence in urine generally indicates A. Poor personal hygiene B. immune suppression C. Vaginal contamination D. Fecal contamination

C. Vaginal contamination

Who gave the lecture on MALDI-ToF? A. Bob Jerris B. Bob Belas C. Rich Davis D. Carrie Holdren Serrell

A. Bob Jerris

Who gave the lecture on automation? A. Karissa Culbreath B. Donna Wolk C. Bob Jerris D. Jennifer Dien-Bard

A. Karissa Culbreath

With what population does Dr. Jerris work? A. children B. elderly C. military recruits D. the disabled

A. children

What type of organism would we NOT likely identify with MALDI-ToF? A. E. coli B. Mycobacterium spp C. Fungal isolates D. non-fermenters like Burkholderia

A. E. coli

Where does Dr. Culbreath work? A. New Mexico B. Philadelphia C. Seattle D. Atlanta

A. New Mexico

It is likely that automation will eventually replace human medical laboratory scientists. A. true B. false

B. false

The one true advantage to automated microbiology is ____________________. A. increased productivity B. no more nasty smells in microbiology C. cost savings on MAC plates

A. increased productivity

One of the advantages to MALDI-ToF is that it allows _________________. A. identification of non-fermenters B. identification of fastidious organisms C. rapid identification of isolates D. all of the above E. none of the above

D. all of the above