Which оf the fоllоwing lists the three domаins of life?
The next 5 questiоns аre аbоut Mr. Rоdriguez.
Mаriа is а 67-year-оld wоman whо underwent a hip replacement surgery. Three days after the procedure, she develops a fever, redness around her incision, and purulent drainage from the surgical site. She reports feeling tired and having increased pain at the incision. The healthcare provider orders a complete blood count (CBC) and diagnoses a bacterial infection acquired during her hospital stay. Which assessment finding provides the strongest evidence of a surgical site infection?
Initiаl Pоst оn Mаlаria Intrоduction Malaria is a parasitic disease that primarily affects Africa, Central and South America, and Asia. In 2018 alone, there were 28 million cases resulting in 402,000 deaths reported (JMSR, n.d.). Understanding the etiology, symptoms, diagnostic tests and treatments for this disease is critical for both healthcare professionals and the general population to help minimize its negative impacts. Etiology Malaria is famously transmitted by mosquito bites. However, not all mosquitos can infect an individual: only bites from the Anopheles mosquito transmit infection. This is because they act as vectors for pathogenic protozoa belonging to the genus Plasmodium that are injected into an individual when biting occurs. It is these protozoans, rather than the mosquito itself, that cause disease. Specifically, species that can be responsible for infection include P. falciparum, P. vivax, P. ovale, P. and P. malariae (FADavis: Davis Advantage for Pathophysiology, n.d.). Injection into a human host allows these parasites to reproduce. This process begins in the liver, during which time an infected individual is often asymptomatic due to a lack of immune response. The erythrocytic phase of infection occurs next as plasmodium individuals infiltrate red blood cells and begin to rapidly divide inside of them. As this occurs, they destroy hemoglobin and cause damage that changes the structure of the erythrocytes. Immune system activation occurs at this stage as large amounts of toxins are released into the body (JMSR, n.d.). Structural changes to the erythrocytes cause them to block small arterioles, and hemoglobin breakdown leads to bilirubin accumulation (FADavis: Davis Advantage for Pathophysiology, n.d.). Symptoms/Clinical Manifestations Malaria symptoms typically manifest during the erythrocytic stage of disease. The hallmark symptom of malaria is a fever that presents in a cyclic pattern of approximately 48-72 hours. The exact length of the cycle varies by infectious species (Fikadu & Ashenafi, 2023). Other common symptoms include “...headache, nausea, vomiting, and orthostatic hypotension” (FADavis: Davis Advantage for Pathophysiology, n.d. ). Bilirubin resulting from erythrocyte buildup causes jaundice and can lead to kidney damage. Spleen and liver enlargement may also occur (FADavis: Davis Advantage for Pathophysiology, n.d. ). Diagnosis Because malaria presents similarly to many other diseases, symptomatic diagnosis alone is not ideal. The best absolute diagnostic is a blood smear that can be examined microscopically for Plasmodium presence. Rapid diagnostic tests, called RDTs, test for antigen presence and are also frequently used but are less reliable (Fikadu & Ashenafi, 2023). Treatment As with any disease, the best first step in malaria intervention is prevention. Its geographic distribution creates an ideal opportunity for pre-travel prophylactic medications such as mefloquine (FADavis: Davis Advantage for Pathophysiology, n.d.). Prevention of initial infection by use of mosquito netting and insect repellents is also vital. A preventive vaccine has been developed and was recommended by the World Health Organization in October of 2021; however, there is controversy surrounding its safety, and it has yet to prove an effective widespread solution (Björkman et al., 2023). Quinoline based medications such as chloroquine effectively target the erythrocytic stage of malaria via a two-step mechanism (with the exception of primquine) and are the first choice in disease treatment. However, Plasmodium resistance to quinoline continues to become a widespread problem, driving ongoing scientific research into additional treatment options. Currently, other antimalarial drugs include antifolates, artemisinin with its derivatives, and tetracycline (Fikadu & Ashenafi, 2023). References JMSR. (n.d.). https://jmsronline.com/archive-article/disease-pathogenesis-host-response-endemic-malaria?utm_source=chatgpt.com FADavis: Davis Advantage for pathophysiology. (n.d.). https://fadavisreader.vitalsource.com/reader/books/9781719650533/epubcfi/6/48[%3Bvnd.vst.idref%3Dc10]!/4/2/2/756/8ILinks to an external site. Björkman, A., Benn, C. S., Aaby, P., & Schapira, A. (2023). RTS,S/AS01 malaria vaccine—proven safe and effective? The Lancet Infectious Diseases, 23(8), e318–e322. https://doi.org/10.1016/s1473-3099(23)00126-3Links to an external site. Fikadu, M., & Ashenafi, E. (2023). Malaria: An overview. Infection and Drug Resistance, Volume 16, 3339–3347. https://doi.org/10.2147/idr.s405668