Clinical Lab Practice Quiz For Module 2
This jerk cat came from a cat hospital built by some jerks who think cat's are more important than sick children. #kidslivesmatter
- 1.All of the following are traveler infections except
- A.
Typhoid fever
- B.
Leishmaniasis
- C.
Dengue Fever
- D.
Leptosporosis
- E.
Meningitis
- F.
Yellow Fever
- G.
Dysentary
- 2.The Lab is closed for Safety Stand-down and will not return to work until the following day. You have just withdrawn several different specimens from a pt who you suspect may have some sort of septicemia and pneumonia which is causing him idiopathic kidney pain. What is the proper method of storage for the following specimens: urine, blood culture, pleural aspiration
- A.
Urine-Fridge, Blood-Fridge, Pleural Aspiration-Freeze
- B.
Urine-Fridge, Blood-Room Temp, Pleural Aspiration-Room Temp
- C.
Urine-Room Temp, Blood-Room Temp, Pleural Aspiration-Fridge
- D.
Urine-Room Temp, Blood-Fridge, Pleural Aspiration-Fridge
- 3.49 y/o pt presents to the clinic with 101F internal temp, nausea, and vomiting. You have treated this pt 6 times for Group A streptococcal pharyngitis in the last 12 months. You suspect the pt may have an acute infection of the blood and request a blood culture. The techs are only able to obtain 10mLs via syringe from the pt as he is extremely dehydrated. Which tube(s) do you send to the lab with the 10mL specimen?
- A.
10mLs into anaerobic tube
- B.
5mLs into aerobic tube, 5 mLs into anaerobic tube
- C.
5mLs into virology specimen transporter, 5mLs into aerobic tube
- D.
10mLs into aerobic tube
- 4.Blood culture results for an expected pt with endocarditis are returned to you for review. In addition to Viridians Streptococci, several Cornyebacterium, Baccilus and Propionbacterium are also present. Are these test results consistent with endocarditis?
- A.
Yes, Viridian Streptocci, Cornyebacterium, Baccilus and Propionbacterium are all causal microbes for endocarditis.
- B.
No, none of the microbes present are causal to endocarditis
- C.
No, Virdians Streptoccci and Propionbacterium are from the pt’s oral Flora
- D.
Yes, Viridian Streptocci is a causal microbe of endocarditis. Corynebacterium, Baccilus and Propionbacterium are all part of the pt’s skin Flora
- 5.After performing an LP on a pt, you submit the specimens to the lab for analysis. When do you expect to see the preliminary results and what information can you expect?
- A.
Within 4-8 hrs of submission. Results will contain gram stain analysis and bacterial antigen analysis
- B.
Within 72hrs. Results will contain gram stain analysis, bacterial antigen analysis, viral antigen analysis and susceptibility study
- C.
Within 1hr. Results will contain gram stain analysis and bacterial antigen analysis
- D.
Within 2-4 hrs. Results will contain gram stain analysis and bacterial antigen analysis
- 6.6 y/o male presents to clinic with a “whopping” cough, nasal exudate, and 103F fever. You want to run a viral panel on the pt. Where do you instruct your medics to obtain a specimen?
- A.
Using a swab, collect specimen from inferior tongue
- B.
Using a saline washing, ask the pt to spit into a collection cup
- C.
Using a swab, collect specimen from nasopharynx
- D.
Using an aerobic blood culture tube, instruct medics to draw blood from right or left medial cubital vein
- 7.62 y/o female is intubated in the SICU where you are performing a surgical rotation. The Charge Nurse flags you and alerts you that the pt’s bp is spiked and that she is running a 102F fever. After taking heroic actions to stabilize the pt, the Nurse asks if you would like to run some labs on the pt in order to rule out any hospital contracted diseases. You request several tests including a bacterial pneumonia panel you personally crafted with the Lab. What special instructions should you give to the nurse regarding the collection of a specimen for the bacterial pneumonia panel?
- A.
The nurse should use a swab and collect the specimen from the pt’s throat
- B.
The nurse should use a swab and collect the specimen from the pt’s nasopharynx
- C.
The nurse should retrieve a sputum culture from the intubated pt.
- D.
The nurse should utilize bronchiolavage fluid to retrieve a specimen
- 8.21 y/o AD female arrives to Sick Call with c/c of lower back pain and dysuria. You suspect some sort of upper urinary tract pathology. What test should you run to confirm your suspicions?
- A.
Utilizing a catheter, retrieve specimen from the pt and run a urine culture
- B.
Obtain a “clean catch” urine specimen from the pt and run a urine culture
- C.
Obtain a wet mount specimen and perform a saline wet prep microscopy
- D.
Utilizing a swab, obtain a specimen from the pt’s external uretheral meatus and run a urine culture
- 9.19 y/o AD male arrives to Sick Call with c/c of dysuria. You suspect acute urethritis, how should you collect a specimen to run a culture?
- A.
Obtain a “Clean Catch” specimen in a urine collection cup
- B.
Obtain a blood culture set from the pt
- C.
Utilizing a urethral swab, obtain specimen from the pt
- D.
Utilizing a saline wet prep, perform a quantitative urine analysis on the pt’s urine.
- 10.After obtaining the correct specimen from the 19 y/o AD male in the previous question, he explains that he has been engaging in unprotected coitus with several of his female counterparts. Should you perform a gonorrhea culture from the pt and if so, why?
- A.
Yes, if the pt is engaging in unprotected coitus, he may possibly be spreading an infection
- B.
Yes, the lab will provide antibiotic resistance panel to accompany the culture to determine if the microbe present in the pt is resistant to specific antibiotics
- C.
No, it is obvious the pt is suffering from gonorrhea and should be administered antibiotics ASAP
- D.
No, it is obvious the pt is suffering from gonorrhea and should be administered antibiotics ASAP
- 11.A 62 y/o female admitted to the hospital 7 days ago is complaining of abdominal cramping, periumbilical pain, and free flowing stool for the last 72hrs. You suspect the pt may be infected with C. difficile antibiotic associated diarrhea (CDAD), what test should you run to confirm your suspicions?
- A.
Collect a stool sample and run a stool culture
- B.
Collect a stool sample and run a toxin assay
- C.
Collect a stool sample and run a fecal smear
- D.
Obtain a blood culture set from the pt and run a culture for C. Difficile
- 12.Which of the following special considerations should be taken when submitting a viral specimen for analysis?
- A.
Viruses require living cells and must be transported in a Viral Transport Medium with antibiotics/antifungals
- B.
Viruses must be transported via a dark collection tube as they are anaerobic
- C.
Viruses must be transported via a collection tube which contains a 10% saline solution
- D.
Viruses do not require special considerations
- 13.The facility where you are assigned for Phase 2 has a BSL3 equipped lab for mycobacteria. In order to maximize this resource, when is the best time to collect a specimen from a pt whom you suspect to have active TB?
- A.
There is no such thing as a BSL3 equipped lab for mycobacteria.
- B.
As TB is diurnal and is most active in the evening, collect a sputum sample after 2000
- C.
Mycobacterial specimens are best when collected in the morning
- D.
Mycobacterial specimens are best when collected after the pt eats
- 14.What special characteristic is given to stool specimen collection containers when parasites are suspected?
- A.
Parasitic stool collections require a living host
- B.
Parasitic stool collections contain KOH in order to eliminate non-parasitic particles
- C.
Parasitic stool collections contain antibiotics/antifungals in order to best
- D.
Parasitic stool collections contain preservatives
- 15.What characteristic of Extremely Drug Resistant (XDR) organisms distinguishes them from Multi-drug resistant (MDR) organisms
- A.
XDR are non-susceptible to at least 2 agents in all but one or fewer antimicrobial categories
- B.
XDR are non-susceptible to at least 1 agent in all but two or fewer antimicrobial categories
- C.
XDR are non-susceptible to at least 1 agent in all but three or fewer antimicrobial categories
- D.
XDR are non-susceptible to all agents in antimicrobial categories
- 16.Which of the following cell types is not part of the ADAPTIVE immune response
- A.
Lymphocytes
- B.
Plasma Cells
- C.
Neutrophils
- D.
Cytotoxic T-Cells
- 17.Which type of immunity yields a prompt response to antigens through the rapid secretion of immunoglobins
- A.
Innate Immunity
- B.
Passive Immunity
- C.
Active Immunity
- D.
Cell-Mediated Immunity
- 18.Which class of immunoglobin is secreted FIRST in a Secondary response?
- A.
IgA
- B.
IgG
- C.
IgM
- D.
IgF
- 19.A pt receives a titer test with a 1:30 ratio of IgM. If you perform a second titer test on this pt in 5 days, what ratio is needed to confirm an ACUTE infection?
- A.
1:10
- B.
1:90
- C.
1:100
- D.
0.120
- 20.Which of the following infection would be classified as self-limiting?
- A.
Hep A
- B.
Hep B
- C.
Hep C
- D.
Strep Throat
- 21.Which of the following antigens is not used as a marker for Hep B?
- A.
Surface
- B.
Core
- C.
Gram E
- D.
E-Antigen
- 22.The EIA Assay is a common screening test for which disease?
- A.
Pertusis
- B.
Hep B
- C.
Hep C
- D.
HIV/AIDS
- 23.The RIBA assay is a _______ test for Hep C
- A.
Screening
- B.
Confirmatory
- C.
Negatory
- D.
Sensitive
- 24.Which of the following would a Viral Load test provide for a pt/clinician?
- A.
Concentration of Anti-HBCAg
- B.
Concentration of Anti-HBeAg
- C.
Concentration of HCV
- D.
Titer of IgG or IgM
- 25.
Point C represents which of the following?- A.
Primary Response
- B.
Secondary Response
- C.
Concentration of antigen A
- D.
Concentration of antigen B
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