Midterm 1

Question 1

What are the pros and cons of morphological tests for detecting parasites?

Answer 1

Pros -> usually inexpensive and allows you to see more parasites
Cons -> need a trained tech

Question 2

A direct saline smear allows you to see what?

Answer 2

Trophozoites -> Giardia and Tritrich
-Never the most senstive test available

Question 3

What is sensitivity and specificity?

Answer 3

Sensitivity ->a measure of false negatives
Specificity -> a measure of false positive

Question 4

What is the baermann test used for?

Answer 4

Diagnostic for parasites whos larval stage is diagnostic