Med TechNet Demo Quiz

The following set of questions represent the typical format of a quiz adminstered through Med TechNet's Web site. Simply select an answer for each question, then click the "Submit" button at the bottom of this form. Your quiz will be graded and a report will be returned in a few moments. (Images included here are lower resolution than those used in the actual presentations.)

After filling in the information below, click the "Submit Query" button at the bottom of this page to automatically process your responses. (Don't worry; this is a demo quiz -- no penalty for wrong answers.)


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Med TechNet Login Name:

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Question 1. In the autorad shown below, A-1 to A-5 consist of the DNA standards ranging from 25 ng to 1 ng of human DNA. B-1 is a negative control; B-2 is an 8 ng control. From this information, estimate the content of slot C-2.

[Picture](From Polymerase Chain Reaction Talk)

A. 25 ng
B. 12 ng
C. 4 ng
D. 0.1 ng
E. (Less than 0.1 ng)

Your choice:


Question 2. The definitive test for H. pylori would be the recovery of the organism from biopsy specimens obtained by endoscopy. The organism is most likely to be found in the ________ portion(s) of the stomach [see Figure below].

[Picture](From Helicobacter pylori Talk)

A. Fundic and antral (the fundic portion does not secrete acids).
B. Fundic
C. Antral
D. Fundic and antral (the antral portion does not secrete acids).
E. (None of the above.)

Your choice:


Question 3. To produce laser light, a semiconductor laser diode must be ...

[Picture](From Lasers in Instrumentation Talk)

A. forward biased (DC source)
B. reverse biased (DC source)
C. forward biased (AC source)
D. reverse biased (AC source)
E. (Both A and B are correct.)

Your choice:


Question 4. A pH-sensitive glass membrane electrode responds to the pH of an external solution by

[Picture](From Electrochemistry/Instrumentation Talk)

A. a changing membrane potential, due to H+ crossing the membrane.
B. a changing membrane potential, due to chemical pressure of H+ across membrane.
C. a changing membrane current
D. an exchange of liquids
E. (Both A and C)

Your choice:


Question 5. The tissue below, featured in the talk, was ...

[Picture](From Tumor Associated Antigens Talk)

A. breast adenocarcinoma
B. breast adenocarcinoma, stained w/ primary antibody
C. breast adenocarcinoma, stained w/ primary antibody, then w/ avidin biotin peroxidase
D. a peripheral blood smear
E. (None of the above.)

Your choice:


Question 6. Expert systems in the clinical laboratory

[Picture](From Expert Systems Talk)

A. are "set and forget" systems
B. are essentially infallible
C. require no initial information because they "learn" with use
D. require periodic checks and updates
E. are rarely found in today's laboratories

Your choice:


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Last Updated: Thursday, January 4, 1996