| Course | HS200 Diseases of the Human Body |
|---|---|
| Unit | Unit 6 |
| Paper type | Differential comparison |
| Length | About 870 words, 6 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | BS in Health Science |
| Updated | October 2026 |
Free sample paper for HS200 Unit 6
Same Weakness, Opposite Treatment: A Unit 6 Differential Comparison of Ischemic and Hemorrhagic Stroke
[Student Name]
Purdue University Global
HS200: Diseases of the Human Body
Unit 6 Differential Comparison
[Instructor Name]
[Date]
The patient is composite; the guidelines and textbook cited are real, and treatment is described only to show why the distinction matters.
The Patient
A composite 60-year-old man with high blood pressure is watching television when his right arm and leg suddenly become weak and his speech becomes slurred. His wife calls emergency services. On arrival, his face droops on the right, he cannot lift his right arm against gravity, and he has trouble finding words. Both kinds of stroke could produce exactly this picture.
What They Share
A stroke is a sudden loss of brain function caused by a problem with the brain's blood supply. The symptoms depend on which part of the brain is affected, not on the type of stroke. Weakness of the right side and trouble with language point to the left side of the brain, which controls the right side of the body and, in most people, language. This is why the two types can look the same at the bedside (Rogers, 2023).
Ischemic Stroke: A Blocked Vessel
Cause. A blood clot blocks an artery supplying the brain. The clot may form on a narrowed, plaque-filled artery in the brain or neck, or it may travel from elsewhere, often from the heart in a person with an irregular heart rhythm.
Mechanism. Brain cells beyond the blockage stop receiving oxygen and glucose. Within minutes, cells in the core of the affected area begin to die. Around the core lies a zone of tissue that is starved but still alive, called the penumbra, which can be saved if blood flow returns quickly.
Proportion. Ischemic strokes account for most strokes.
Hemorrhagic Stroke: A Burst Vessel
Cause. A blood vessel in or around the brain ruptures. Long-standing high blood pressure weakens small arteries deep in the brain, making them prone to burst. Other causes include abnormal vessels and blood-thinning medicines.
Mechanism. Blood leaks into brain tissue, forming a collection that presses on and damages surrounding cells. Because the skull cannot expand, pressure inside the head can rise, and the blood itself irritates brain tissue.
Clues. Severe sudden headache, vomiting and a rapidly falling level of consciousness are more common in hemorrhagic stroke, but they are not reliable enough to tell the types apart.
The bedside cannot separate a blocked vessel from a burst one, because both silence the same part of the brain; only imaging of the brain itself can.
Why Time Matters in Both, for Different Reasons
In ischemic stroke, time matters because the penumbra is dying minute by minute; restoring blood flow early saves tissue that would otherwise be lost, and the benefit of treatment shrinks as hours pass. In hemorrhagic stroke, time matters because a bleed can keep growing in the first hours, and pressure inside the skull can rise quickly enough to threaten the brainstem. Both demand speed, but speed serves different goals: reopening a vessel in one case and stopping a leak in the other. This is why emergency teams treat every sudden weakness as an emergency before they know which type it is.
Risk Factors They Share and Do Not Share
High blood pressure is the strongest risk factor for both types, which is why the patient's history does not settle the question. An irregular heart rhythm points more toward clots traveling from the heart and therefore toward ischemic stroke. Blood-thinning medicines raise the risk of bleeding and therefore of hemorrhagic stroke. Heavy alcohol use and certain abnormal blood vessels are more closely linked to bleeding. These differences shift the odds but never replace imaging.
How They Are Told Apart
A computed tomography scan of the head, done without contrast dye, shows fresh blood as a bright area within minutes. If no blood is seen and the history fits, the stroke is treated as ischemic. Further imaging of the vessels can show the location of a blockage. Guidelines call for this imaging as quickly as possible after arrival, because treatment decisions depend on it (Powers et al., 2019).
Why the Difference Decides Treatment
For ischemic stroke, the aim is to restore blood flow: a clot-dissolving medicine given within a limited time window, or mechanical removal of the clot through a catheter in selected patients. For hemorrhagic stroke, the aim is the opposite: to stop bleeding and prevent it from growing, by lowering blood pressure carefully and reversing any blood-thinning medicine (Greenberg et al., 2022). A clot-dissolving drug given to a patient who is bleeding could make the bleed larger. That is why mechanism, not appearance, must decide the response.
Side-by-Side Summary
Cause: blocked artery versus ruptured vessel. Mechanism: lack of blood flow versus blood pressing on tissue. Imaging: no fresh blood on early scan versus bright blood on scan. Treatment goal: reopen the vessel versus stop the bleeding.
Back to the Patient
His scan shows no blood, and imaging of the vessels shows a blocked branch of the left middle cerebral artery. He is treated for ischemic stroke within the time window.
References
Greenberg, S. M., Ziai, W. C., Cordonnier, C., Dowlatshahi, D., Francis, B., Goldstein, J. N., Hemphill, J. C., Johnson, R., Keigher, K. M., Mack, W. J., Mocco, J., Newton, E. J., Ruff, I. M., Sansing, L. H., Schulman, S., Selim, M. H., Sheth, K. N., Sprigg, N., & Sunnerhagen, K. S. (2022). 2022 guideline for the management of patients with spontaneous intracerebral hemorrhage: A guideline from the American Heart Association/American Stroke Association. Stroke, 53(7), e282-e361. https://doi.org/10.1161/STR.0000000000000407
Powers, W. J., Rabinstein, A. A., Ackerson, T., Adeoye, O. M., Bambakidis, N. C., Becker, K., Biller, J., Brown, M., Demaerschalk, B. M., Hoh, B., Jauch, E. C., Kidwell, C. S., Leslie-Mazwi, T. M., Ovbiagele, B., Scott, P. A., Sheth, K. N., Southerland, A. M., Summers, D. V., & Tirschwell, D. L. (2019). Guidelines for the early management of patients with acute ischemic stroke: 2019 update to the 2018 guidelines for the early management of acute ischemic stroke. Stroke, 50(12), e344-e418. https://doi.org/10.1161/STR.0000000000000211
Rogers, J. L. (Ed.). (2023). McCance & Huether's pathophysiology: The biologic basis for disease in adults and children (9th ed.). Elsevier.
The Purdue Global HS200 Unit 6 instructions
The sixth unit usually asks students to compare two conditions that share a presentation, explaining how they differ in cause, mechanism and management and how they are told apart. Comparisons of three to five pages are common, in prose or a table depending on the instructions. Instructors look for an explanation of why the conditions look alike, followed by mechanism-level differences and the test or feature that separates them. Many prompts weight the reason the distinction matters for treatment. Current guidelines, cited with year, are expected for any treatment claims. A brief side-by-side summary helps readers review, but it should not replace the explanation.
How this HS200 Unit 6 example is built
The comparison opens with the composite patient and explains that symptoms reflect the brain region affected rather than the stroke type. Ischemic stroke is described by cause, mechanism and the penumbra; hemorrhagic stroke by cause, mechanism and clinical clues that are not reliable enough to decide. A section explains why time matters in both. Shared and distinct risk factors follow. The highlighted sentence explains why imaging must decide. Sections describe the noncontrast CT and opposite treatment goals with guideline citations, give a four-line summary and return to the patient's scan and treatment. The patient's history is used to show why risk factors shift the odds without settling the question.
Reading the HS200 Unit 6 grading rubric
Differential comparisons are typically assessed on accuracy of mechanisms, clarity about why the conditions overlap, identification of the distinguishing test or feature, the link to treatment and use of sources. The link between mechanism and treatment often carries the most weight in this unit, since the point of the comparison is why the distinction matters. Overlap earns credit when explained by anatomy rather than asserted. The distinguishing test should be named with what it shows. Current guideline citations support any treatment statements. A concise summary and clear organization complete the score. Comparisons that list features without mechanism usually earn partial credit. A comparison that would help an emergency worker understand why the scan comes first tends to earn full marks.
HS200 Unit 6 help: mistakes that cost points
A frequent weakness is a comparison that lists symptoms of each condition as if they differ, when the point is that they often do not. Another is naming CT without explaining what it reveals and why it comes first. Some students describe treatment for each type without connecting it to the opposite mechanisms. Others rely on headache or vomiting to separate the types, which is unreliable. Out-of-date treatment windows or guidelines weaken the paper. If you were assigned a different pair, perhaps heart attack versus aortic dissection or asthma versus a panic attack, send the prompt, and we can compare them by mechanism and by the test that tells them apart.
Get an HS200 Unit 6 example written to your instructions
Name the two conditions your section paired for Unit 6, or share the list of pairs it allows, together with the instructions and rubric. Whatever table layout the prompt describes is used, mechanism in every row, and the comparison is ready inside 24-48h. No payment is asked for a first custom sample. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
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HS200 Unit 6 questions, answered
Which pairs of conditions work best for this assignment?
Pairs that share a presentation and differ in mechanism: ischemic and hemorrhagic stroke, type 1 and type 2 diabetes, Crohn's disease and ulcerative colitis, rheumatoid arthritis and osteoarthritis. A pair that looks different from the start leaves little to separate. If the choice is open, the richest comparisons come from conditions that are frequently confused in practice.
Is a table required, or can the comparison be prose?
It depends on the instructions, and many HS200 prompts allow either. A table makes row-by-row differences easy to check, which graders appreciate, but it needs prose around it to count as analysis. Where the prompt asks for a paper, a short table can still sit inside it as a figure, labeled and referred to in the text.
How much should the comparison say about imaging and tests?
Enough to show how the two conditions would be told apart once the mechanism has been explained. Name the test, say what it detects, and state what each condition would look like on it. Technical detail about how the scanner works is unnecessary here; the reasoning that connects a result to a mechanism is where the marks are.
Where can I find a free HS200 Unit 6 sample paper?
This page contains the complete Unit 6 comparison of ischemic and hemorrhagic stroke, explaining why imaging must come before treatment.
Why can't the type of stroke be told apart at the bedside?
Symptoms depend on which part of the brain is affected, not on whether a vessel is blocked or burst, so both types can produce the same weakness and speech problems.