Two common concentration techniques used in the laboratory to increase the yield of parasite eggs, cysts, and larvae from stool samples are:

* **Formalin-Ethyl Acetate Sedimentation:** This is the most widely used sedimentation method. It uses centrifugation to separate parasites (which settle at the bottom) from fecal debris (which floats in the ethyl acetate layer). It is excellent for recovering a wide range of protozoa, eggs, and larvae.

* **Zinc Sulfate Flotation:** This method relies on a high-density solution (zinc sulfate) that causes parasitic elements to float to the surface while heavier fecal matter sinks. It is particularly effective for detecting protozoan cysts and many common helminth eggs.

—

### Comparison at a Glance

| Feature | Sedimentation (Formalin-Ethyl Acetate) | Flotation (Zinc Sulfate) |

| :— | :— | :— |

| **Mechanism** | Parasites settle due to gravity/centrifugation. | Parasites float due to high-density liquid. |

| **Recovery** | Recovers almost all types of parasites. | Better for cysts; may miss heavy eggs. |

| **Morphology** | Preserves morphology well. | High density can cause fragile cysts to shrivel. |

Two common types of antigen-antibody (Ag-Ab) reactions are:

* **Precipitation:** This occurs when **soluble antigens** react with specific antibodies to form an insoluble, visible complex (lattice) that settles out of the solution. This is often used in diagnostic tests like immunodiffusion.

* **Agglutination:** This involves the clumping together of **particulate antigens** (such as bacteria or red blood cells) when they bind with their corresponding antibodies. A classic example is ABO blood grouping.

—

**Other notable reactions include:**

* **Neutralization:** Antibodies bind to toxins or viruses, masking their active sites and preventing them from affecting host cells.

* **Complement Fixation:** The formation of an Ag-Ab complex triggers the complement system, a series of proteins that lead to the lysis (destruction) of the target cell.

Two common bacteria that cause dysentery are:

* ***Shigella* species:** This is the most frequent bacterial cause, leading to a condition specifically known as **bacillary dysentery**.

* ***Campylobacter jejuni*:** A common cause of foodborne illness that can result in inflammatory diarrhea with blood and mucus.

*Streptococcus pyogenes* (also known as Group A Streptococcus) is a versatile pathogen responsible for a wide range of infections, varying from mild skin issues to life-threatening systemic diseases.

Two common diseases caused by this bacterium are:

### 1. Strep Throat (Streptococcal Pharyngitis)

This is an infection of the back of the throat and the tonsils. It is characterized by a sudden onset of sore throat, pain when swallowing, and fever. Unlike viral sore throats, it typically does not involve a cough or runny nose.

### 2. Scarlet Fever (Scarlatina)

This condition often develops in people who have strep throat. It is caused by toxins produced by the bacteria, resulting in a bright red “sandpaper-like” rash that spreads over most of the body, often accompanied by a “strawberry tongue” (a red, bumpy appearance of the tongue).

—

**Other notable conditions caused by *S. pyogenes* include:**

* **Impetigo:** A highly contagious skin infection featuring red sores.

* **Necrotizing Fasciitis:** A severe “flesh-eating” infection of the deep layers of skin and subcutaneous tissues.

* **Rheumatic Fever:** A serious inflammatory disease that can develop as a complication of untreated strep throat, potentially affecting the heart.

Would you like me to find some academic resources or clinical case studies regarding the pathophysiology of these infections?

I have this assignment due and I will provide all the information and if you can finish it earlier I will appreciate it and if there is anything let me know. I have this assignment due and make sure to be your own words not from outside resource the professor will know and add reference at the end of the page.

Current Events in Public Health #4: Determinants

The “Why” Factors Related to Your Problem

Overview

The “Current Events in Public Health” assignments are designed to help integrate the concepts in each module and then relate them to public health current events. This week the topic is: Determinants

It helps to meet: Course Objective 10: Analyze current public health issues and describe how they affect societal well-being among specific populations of age, sex, ethnicity, minority, education and socioeconomic status.

This week, choose one of the articles below that interests you. You will read and summarize it. Then you explore the determinants to find a PRIMARY one. You will also research it’s social determinants.

Key Takeaways:

*Determinants are the factors that make it more likely you are at risk for a problem.

*Determinants include genetics, behavior, family/community, environment and social factors such as income and education.

*Social factors that are determinants are called Social Determinants of Health of SDoH for short.

Reading

Article

Or you can find another article on depression. Just make sure to include it in your work.

Research the determinants for depression

Assignment Steps

1. Read the article.
2. Do a short 1-2 sentence summary of the main topic.
3. Research the determinants for depression and find one determinant for each category below.

• Individual behavior
• Policy: Find a policy related to depression. Name if it is federal or state or private
• Biology and genetics

4.Now search: “(depression and social determinants (SDoH) ” and find facts for at least two Social Determinants. You do not need to name them all.

• Socioeconomic status (SES)
• Community/Home
• Education
• Environment
• Racial Imbalance

1. Summarize the data like I did in my example with headers like I have. Do not write it all in paragraphs. Every determinant shoudld have a fact with an in-text citation and reference.
2. Then, create a simple determinant statement based on the article by filling out the below. (what was the determinant they studied?) then add an SDoH they found or choose one you found. This is practice for your project! It should look like this

Main Determinant: category: pick one of the yellow areas that the article focuses on Main SDoHs: pick 2 SDoH and how they relate to the problem in the article.

See my example!

1. Personal reflection. Tell us how you feel about this or some personal experience with the issue.
2. For the bibliography, cite the article you read (pretty easy since I have it right there!) and then you must have at least one and not more than two more sources.
3. Your format must be exact to mine for grading.

Example

I read an article about Sudden Infant Death Syndrome and its determinants. Sudden infant death is when a baby dies unexpectedly, often in the night or while sleeping.

Determinants:

BEHAVIOR: Sadly, putting to kids to sleep on their stomachs (or rolling to the stomach) was a large factor in SIDS. This position was 37x more likely to contribute to SIDS (1).

POLICY There are several policies enacted to address SIDS. The American Academy of Pediatrics, a private organization, has a policy for doctors to learn and teach the idea of putting babies “Back to Sleep” meaning on their backs. Also, there are standards for mattresses to be made more firm so babies do not suffocate in them.(4)

GENETICS: Some genetic disorders can increase the risk of SIDS such as polymorphism (1)

Social Determinants

SES: The SIDS rate was 3x the average rate in lower SES families (3)

EDUCATION: Lower socioeconomic (SES) and lower education status also increase SIDS as research shows both low education and low income increase SIDS (1,2).

I am glad I had the resources to help me lower the risk of SIDS for my babies. I do have a friend who lost a brother to SIDS, although they were not in a lower SES. I was a generation ago, however, when there was less education about “back to sleep” positioning. I was very nervous with blankets in the bad and when my children began to roll in fear they would be stuck on their tummies.

Determinant Statement: Behavior: Putting baby to sleep on the back SDoH: lower SES and education

References

• 1,Athanasakis E, Karavasiliadou S, Styliadis I. The factors contributing to the risk of sudden infant death syndrome. Hippokratia. 2011 Apr;15(2):127-31.
• USA Today. .What causes SIDS? Genetics study suggests it’s more than unsafe sleep (usatoday.com). Jan 25, 2023
• 3. Blair PS et al. Major epidemiological changes in sudden infant death syndrome: A 20-year population-based study in the UK. Lancet 2006 Jan 28; 367:314-9.
• 4.

What You Need to Accomplish

1. Provide an article summary of 3-5 sentences.
2. List a behavioral, genetic and policy determinate for the health topic in the article provided.
3. List two social determinates for the health topic in the article provided.
4. Your fact(s) must be properly noted on the slide with in-text citations
5. Provide a determinant statement in this format: Determinant: example SDoH: explain
6. Provide a personal reflection.
7. Use the format in the example.
8. Reference at least two sources.

Help Resources

Tutoring: if you need help , make an appointment with the

Office Hours: Use the to see how to schedule

Citation Help:

Summary Tips

A summary is a short overview of the main idea. It is not listing facts, copying or saying a great deal. It is JUST the main idea of the article with a key point or two to support that idea. It has a clear overview sentence. Read my example to see.

Rubric

Assignments (Un-Grading) Rubric 2025

Criteria	Ratings	Pts
This criterion is linked to a Learning OutcomeUnderstanding & Application	0 ptsAccomplishedClearly shows understanding of key concepts from the unit by accurately applying them to a current event. Makes thoughtful and relevant connections between the event and public health ideas.0 ptsProgressingShows general understanding of concepts but connections to the current event are partial or surface-level. May need clearer explanation of how the event relates to the unit. 0 ptsRevisit & ReviseLacks clear connection to unit concepts or misinterprets the current event. May be off-topic or beyond the scope of the course. Missing elements of “What you need to accomplish”0 ptsX Missing or Flagged for AssistanceAssignment missing, is unrelated to the assignment objectives or is flagged for significant academic integrity. If you have 2 or more missing, you may be dropped from the class or have required office hours so you can get the help you need to be successful in the class.	0 pts
This criterion is linked to a Learning OutcomeRequired Elements & Format	0 ptsAccomplishedIncludes all required elements and follows the assigned format completely. Organized and easy to follow.0 ptsProgressingMissing one or two required elements or has minor formatting issues. Needs stronger organization. 0 ptsRevisit & ReviseMissing multiple elements or does not follow the required format. Needs major revision or completion.0 ptsX Missing or FlaggedAssignment missing, is unrelated to the assignment objectives or is flagged for significant academic integrity.	0 pts
This criterion is linked to a Learning OutcomeSupport and Evidence	0 ptsAccomplishedUses credible, relevant sources to support statements. Includes accurate in-text citations and a complete reference list.0 ptsProgressingIncludes some supporting evidence but may have incomplete citations or unclear source connections. 0 ptsRevisit & ReviseLacks evidence or references. May include unsupported claims or unreliable sources0 ptsX Missing or FlaggedAssignment missing, is unrelated to the assignment objectives or is flagged for significant academic integrity.	0 pts
This criterion is linked to a Learning OutcomeVoice & Scope	0 ptsAccomplishedSummarizes information in the students own words with clear insight and reflection. Work stays within the scope of the class and demonstrates authentic understanding.0 ptsProgressingSome original language and insight shown, but summary may rely too much on source phrasing, stray from course focus or is somewhat beyond class scope. 0 ptsRevisit & ReviseMostly copied, AI-generated, or off-topic. Needs to be rewritten in the students own voice and brought back to course focus.0 ptsX Missing or FlaggedAssignment missing, is unrelated to the assignment objectives or is flagged for significant academic integrity.	0 pts

Total Points: 0

Succinctly capture the key themes of the book (of your choice) and assess the authors ability to narrate illness in critical conversation with social structures/social constructions. This should be around 3-4 pages using MLA style format.

Please respond to these 2 different discussions separately. The response should be minimum 250 words per discussion paper (not including references ).

references must be cited in APA format 7th Edition and must include a minimum of 2 scholarly resources published within the past 5 years.

REFERENCES Must have DOI Numbers for professor to look them up

Students will select one of the provided case examples toreview and write a 3 4 page paper that addresses each of the topics below.Each case is briefly described in some counseling, educational, or mentalhealth context. Written in APA (7th edition) format, the paper will be innarrative form and organized using subheadings. At least three scholarlysources (the case study, the course text, and a scholarly journal article) arerequired. Review the grading rubric for the assignment to understand all of therequired components for the assignment prior to beginning the paper.

Hello,

I am looking for help with my assignment. I am looking for someone who is an expertise in Health Services.

Overview

In this assignment, you will analyze the real-world healthcare case of Theranos, a biotech corporation making false claims about its blood-testing technology. You’ll describe the ethical principles key decision-makers should have followed, examine their application, and assess where the organization fell short. Through this analysis, you will demonstrate your understanding of health care ethics principles, the consequences of ethical lapses, and the importance of ethical decision-making in the health care industry.

Before you start your paper, view the summary of it outlines the case and ethical issues.

** PLEASE LET ME KNOW IF THE LINK IS NOT WORKING **

Instructions

In a 2-to-3-page paper, complete the following:

1. Summarize the background and key players of the Theranos case, setting the context for your analysis.
2. Describe the ethical principles that key decision-makers at Theranos should have considered and upheld when developing the medical technology corporation.
3. Describe how the identified ethical principles should have been practically applied within the operations and decision-making processes of Theranos.
4. Explain the ways the leaders at Theranos failed to uphold and apply the identified ethical principles.
5. Discuss the ethical lessons that can be derived from the Theranos case, including the potential implications for the health care industry moving forward.
6. Write clearly with proper grammar and punctuation.
7. Cite at least 3 credible sources in proper SWS style. You may use your textbook as one of your sources.

Formatting Requirements

• Length: Ensure that your paper consists of 2-3 pages, plus a title page and sources page, making the total length of the document 4-5 pages.
• Citations: This course requires the use of the Strayer Writing Standards (SWS). The library is your home for SWS assistance, including citations and formatting. Please refer to the site for all support. Check with your professor for any additi

This is where we are today: patients exist in a world of insufficient data, insufficient time, insufficient context, and insufficient presence. Or as the author calls it – a world of shallow medicine. The outgrowths of shallow medicine are waste and harm. Explain the concept of shallow medicine.

Videos:

Watch: The HITECH Act: Electronic Health Records and Meaningful Use

Watch: Meaningful Use and the HITECH Act: Top Five Things to Know

Essential Activities:

1. Read Chapter 2: Shallow Medicine
2. Read Chapter 3: Aligning HIS in the Dynamic Healthcare Environment
3. Files for the PowerPoints and PDFs of books are attached

Notes:

1. Initial posts should be a minimum of 300 words