puffylover

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bs section question 142:

a microbe pathogen was hypothesized as the causative agent of the disease because:
I. suspicious objects were found in the blood samples from ill patients
II. in vitro cultivation of the probable pathogen was difficult
III. the disease was infectious

answer: III only

so the pathogen was a virion... wouldn't it be found in the blood of the patient??
 

RogueUnicorn

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don't recall off the top of my head but i'm highly suspicious of the context of the question, i.e. the passage
 

PhilIvey

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bs section question 142:

a microbe pathogen was hypothesized as the causative agent of the disease because:
I. suspicious objects were found in the blood samples from ill patients
II. in vitro cultivation of the probable pathogen was difficult
III. the disease was infectious

answer: III only

so the pathogen was a virion... wouldn't it be found in the blood of the patient??
This passage is brilliant and highly representative of what you'll see on test day. You must read carefully. I missed it too and was angry. You do not see virus particles in the blood. The only reason they noticed that is because they obtained a blood sample and looked at it under the microscope.

The beginning of the passage states there was an infectious agent. I know it's annoying but get in the habit of really dissecting the passage. I took it on 3/27 and 95% was all reading comprehension and understanding experiments.

When it comes to viruses, we do tests to determine whether they are present or not. Good luck in your studies.