| Course | PA 514 Comprehensive Clinical Module Infectious Disease |
|---|---|
| Week | 1 |
| Paper type | Discussion post with two replies |
| Length | About 560 words |
| Format | Discussion post with APA 7 citations |
| School | Chamberlain University |
| Program | Master of Physician Assistant Studies (MPAS) |
| Updated | October 2026 |
Free sample paper for PA 514 Week 1
Week 1 Discussion: Initial Post
Six Easter Chicks in a Laundry Room Tote, a Lake Cabin Well and a Week of Deli Turkey: Arguing From One Exposure at a Time for a Febrile 63-Year-Old on Methotrexate
Initial Post
The patient in our case is a 63-year-old retired school librarian in central Minnesota with rheumatoid arthritis on weekly methotrexate, admitted with two days of fever, cramping and watery diarrhea that began on the evening of Tuesday, April 7. I am arguing from three exposures, one at a time, and attaching to each the organisms it puts in play.
Exposure 1: live poultry. Where: the patient's laundry room. When: daily from Saturday, March 28, when six chicks were bought at a farm store for the grandchildren, through admission; the patient cleaned their tote by hand on April 6. Route: swallowed, from hands to mouth. Organisms: nontyphoidal Salmonella above all. Contact with young poultry is a recognized source of human salmonellosis, with dozens of outbreaks traced to chicks from mail-order hatcheries (Behravesh et al., 2014).
Exposure 2: untreated water. Where: a private well at a lake cabin. When: April 3 and 4. Route: swallowed. Organisms: Campylobacter and Shiga toxin-producing E. coli are the bacterial candidates; Giardia is possible but would usually cause a longer, less febrile illness.
Exposure 3: ready-to-eat deli meat. Where: home. When: turkey sandwiches eaten April 2 through 4 from meat sliced at a grocery deli on April 1. Route: swallowed. Organism: Listeria monocytogenes, which matters more than usual because methotrexate weakens the defenses that keep it in check.
The History Decides the Test
Because the exposures point to different organisms, they also point to different tests. Blood cultures cover Salmonella and Listeria if either has entered the bloodstream. A stool panel covers Salmonella, Campylobacter and Shiga toxin. Without the history, the stool panel alone might have been sent.
What the Post Leaves Open
I have not ranked the three. The chicks and the timing make Salmonella likely, but the deli meat cannot be dismissed in a patient on methotrexate, and the well cannot be dismissed until the stool results return. Next week's timeline will start to sort them by date.
Why the Host Changes the Weighting
Methotrexate does not add a new exposure, but it changes what each exposure can do. In a healthy adult, Salmonella usually stays in the gut and Listeria rarely causes more than a brief illness; in someone whose immune response is dampened, both are more likely to reach the bloodstream. That is why the deli turkey stays on the list here even though it would rank lower in a younger, untreated patient.
A Question for the Group
Which exposure in your case would you have missed without asking, and which organism would that have hidden?
Reply to Kayla
Kayla, your post lists eight questions about travel, food, animals and sex. They are all good questions, but which one actually produced something in your patient? If the hiking trip was the answer, I would be curious which organisms it puts in play and when the hike happened.
Reply to Devon
Devon, you mentioned the patient "ate out a lot." Could you tie that to a place and a date? Without them, it is hard to say whether the restaurant meal fits the incubation of anything on your list.
References
Behravesh, C. B., Brinson, D., Hopkins, B. A., & Gomez, T. M. (2014). Backyard poultry flocks and salmonellosis: A recurring, yet preventable public health challenge. Clinical Infectious Diseases, 58(10), 1432-1438. https://doi.org/10.1093/cid/ciu067
Reading the PA 514 Week 1 instructions
The opening discussion asks you to build an infection argument from the exposure history before naming any diagnosis. Choose the exposures from your case that actually produced something, not a checklist of every question you asked. For each one, state where it happened, when it started and stopped, how the organism would have entered the body and which organisms it brings into consideration. Then show what that history does to the workup, since the exposures should decide which cultures or panels are sent. Say plainly what the post cannot yet settle and why. If the patient has a host factor such as a biologic, steroid or antimetabolite, explain how it alters the weight of each exposure. Close with a question that sends classmates back to their own histories, and answer two peers with replies that ask for a place and a date.
How the PA 514 Week 1 example is put together
The sample introduces a retired librarian from central Minnesota with rheumatoid arthritis who developed fever and watery diarrhea on the evening of April 7. Three exposures follow in the same four-part pattern: the chicks kept in a laundry room tote from March 28, the well water drunk on April 3 and 4, and turkey sliced at a grocery deli on April 1. Salmonella, Campylobacter, Shiga toxin-producing E. coli and Listeria are each tied to the exposure that raises them, with one citation on poultry-linked salmonellosis. A short section explains why blood cultures join the stool panel. The post refuses to rank the three and names next week's timeline as the tool that will. A host section explains why methotrexate keeps the deli meat in play, and the replies press Kayla and Devon for dated events.
PA 514 Week 1 rubric: what full points look like
Most points on this first post go to the structure of each exposure, so a list of risk factors without places, dates and routes loses the most. Faculty look for organisms attached to a specific exposure rather than a generic differential for diarrhea copied from a textbook table. The next largest share rewards the link between history and testing: a post that never says what the exposures change about the workup reads as a summary rather than reasoning. Smaller deductions come from ranking candidates the evidence cannot yet rank, from ignoring an obvious host factor and from a closing question classmates can answer with a yes. Replies earn credit when they push a peer toward something checkable, a date, a location or an organism, rather than praising the post. APA in-text citation is expected for any epidemiologic claim.
PA 514 Week 1 help: mistakes that cost points
The usual problem with this first infectious disease post is that students jump to a favorite diagnosis and then list exposures that support it. Send the vignette and your instructor's prompt, and the custom sample will begin from the exposures in your case, with each given a place, a span of dates and a route. If the vignette gives no dates, the sample states that limit and shows how the post would ask for them. Host factors such as transplant drugs, pregnancy or advanced age are worked into the weighting rather than added as a separate paragraph. Replies are written to the actual posts you paste in, so they question what your classmates wrote. The finished argument stays yours to check against your case and submit under your section's rules.
Get a PA-514 Week 1 example written to your instructions
Send the Week 1 instructions as your section issued them, with the vignette if one was posted, and a custom example is written to them and returned inside 24 to 48 hours. The first one is free. If your section sets a word ceiling or asks for a fixed number of replies, say so and the example is built to fit.
More PA 514 papers and MPAS samples
- PA 514 Week 2: Exposure History Timeline
- PA 514 Week 3: Incubation Window Analysis
- PA 514 Week 4: Empiric Coverage Rationale
- PA 514 Week 5: Culture Narrowing Memo
- PA 514 Week 6: Antibiogram Reading Exercise
- PA 514 Week 7: Stop Date Justification
- PA 514 Week 8: Reportable Condition Brief
- PA 512 Week 1: One Lab Figure Post
- PA 510 Week 1: Scale Versus Crust Post
- PA 505 Week 1: Where Depression Is First Met
- PA 504 Week 1: Interview-Only Fact Post
PA 514 Week 1 questions, answered
Our vignette barely includes a history. What then?
Then the missing history is the subject. A post can say which questions it would put first, what each answer would change, and why the case cannot be closed without them, and that reads as stronger work than inventing details the case never supplied. A case left open with a reason attached is a legitimate ending in Week 1.
Does the post have to commit to one organism?
Usually not, and committing early is often the weaker move. What gets marked is whether the candidates still standing are each traceable to something in the history, and whether the writer says what would separate them. A post ending with three organisms and one test that would tell two of them apart is doing the week's work.
How do replies get graded in this module?
Most sections publish a count and a deadline for them, and the content expectation matches the original post: raise an exposure nobody asked about, say which organism it returns to the list, and stop. Length rarely helps. Restating a classmate's list back to them adds nothing a rubric can score.
Where can I find a free PA 514 Week 1 sample paper?
This page carries a complete PA 514 Week 1 initial post on chicks, well water and deli turkey for a patient on methotrexate, with replies to two classmates.
Why does the PA 514 Week 1 sample refuse to rank its three exposures?
Timing and test results have not arrived yet, so the post keeps Salmonella, waterborne organisms and Listeria open and names the Week 2 timeline as the step that sorts them.