Specimen Collection and Transport Practice Questions

Question 1

Stuart's medium is a transport medium for

Accepted Answer

Neisseria

Answer

Shigella

Answer

Streptococcus

Answer

Vibrio

Question 2

Which is false regarding Spaulding's criteria?

Accepted Answer

Semi critical items need low level disinfection

Answer

Non critical items require only decontamination

Answer

Cardiac catheters are examples of critical items

Answer

Semi critical items are those which come in contact with mucous membrane or non intact skin

Question 3

Which of the following statements about transport media is false?

Accepted Answer

Bacteria multiply vigorously

Answer

Pike's medium is used as transport medium for Streptococcus pyogenes

Answer

Organisms remain viable

Answer

Used for transport of specimens

Question 4

How many blood samples should be drawn in cases of fever of unknown origin to optimize detection of intermittent bacteremia?

Accepted Answer

3

Answer

2

Answer

1

Answer

4

Question 5

What are the reasons a sample may be disqualified for culture?

Accepted Answer

Sample brought in formalin

Answer

Sample brought within 2 hr of collection

Answer

Sample brought in sterile plastic container

Answer

Sample obtained after cleaning the collection site

Question 6

Which of the following statements is MOST true regarding water reabsorption in the nephron?

Accepted Answer

The bulk of water reabsorption occurs in the proximal tubule secondary to Na+ reabsorption.

Answer

Facultative reabsorption primarily occurs in the collecting ducts.

Answer

Obligatory reabsorption occurs regardless of hydration state.

Answer

Water reabsorption can vary significantly depending on the body's hydration needs.

Question 7

A patient presents with suspected diphtheria. What media will be used to diagnose this condition?

Accepted Answer

Loffler's serum slope

Answer

Chocolate agar

Answer

Cary-Blair

Answer

Lowenstein-Jensen

Question 8

Order of drawing blood in vacutainers should be in the following sequence to prevent contamination?

Accepted Answer

Blue, Red, Violet, Grey

Answer

Grey, Blue, Red, Violet

Answer

Blue, Violet, Red, Grey

Answer

Red, Blue, Violet, Grey

Question 9

A patient presented with meningitis, and the CSF sample was subjected to gram staining and microscopy and appears as shown in the microscopic image given below. Which of the following features / tests will be characteristic of the organism?

Accepted Answer

Catalase negative, optochin sensitive.

Answer

Ferments glucose and maltose but not inulin

Answer

Oxidase and catalase negative, does not ferment inulin

Answer

Oxidase and catalase positive and does not ferment maltose or glucose

Question 10

Darting motility which occurs in V.cholerae, also found in -

Accepted Answer

Campylobacter jejuni

Answer

Bacillus anthracis

Answer

Shigella

Answer

Pneumococcus

Specimen Collection and Transport — MCQs

Specimen Collection and Transport — MCQs

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