Is the microorganism you chose a gram-negative bacterium, biology homework help, 50 word



The Study of Diseases

Discussion Questions

  1. Is the microorganism you chose a gram-negative bacterium, gram-positive bacterium, virus, helminth, or protozoan?
  2. What are the signs and symptoms of this microbial disease in an infected host?
    • *** Give enough details about the disease/illness but DO NOT provide its name or the name of the microorganism.
    • Please do not include any obvious information that would make guessing your microorganism or disease too easy. Do not copy and paste the information from your textbook or any other source.
    • *** Make sure that your in-text citations and references DO NOT give away the name of the microorganism of the disease it causes. *** DO NOT post any websites in your initial post that could tempt anyone to go look for the name of your microbe or disease; you can post them later in your responses to classmates.
    • *** Proofread your initial post more than once before submitting it to make sure that you have not given away the name of the microorganism or disease by accident.
  3. What would be the most likely portals of entry and exit into the human body for this pathogen? How did you come to these conclusions?
  4. List three other facts about this microbe from your class readings. Here are some examples:
    • What makes this microbial disease unique? Are there any identifying factors or traits?
  5. Responses to classmates:
    • Respond to a minimum of two classmates throughout the week with substantial posts.
    • At least one of your responses must include an educated guess about the microbe your classmate discussed.


The Study of Diseases

Hello Professor Milian & Class,

My microorganism is a gram positive bacterium. (Reference TBA). The most common symptom that appears with the health condition that it causes would be sharp stabbing chest pains generally located in middle or left side of chest but sometimes felt in both shoulders (reference tba). But for some it feels like a dull ache or pressure. It is worse when lying down and better when sitting and leaning forward.   Other symptoms would include fever, weakness, trouble breathing, palpitations as well as coughing. (Reference TBA). The reservoir for this microbe would be the nasopharynx which is the upper part of our throats located behind our nose. (Tortora, Funke & Case, 2013). Its mode of transmission is from a focal infection. (Tortora, Funke & Case, 2013). While the disease is considered bacterial it might also be viral or fungal in nature and often occurs after a respiratory infection. (Reference TBA). If chronic or acute, a lot of the time the cause is unknown. With chronic or recurring, it is thought to be the result of autoimmune disorders. (Reference TBA).Treatment usually consists of over the counter pain medications as well as anti-inflammatories and if bacterial in nature, antibiotics.

Have fun!


Tortora, G. J.; Funke, B.R. & Case, C.L. (2013). Microbiology An Introduction. Eleventh Edition. San Francisco, CA: Pearson Education, Inc.


For this post, I chose a Gram-negative, anaerobic pathogenic bacterium. It is rod-like in shape. There are 6 types of this bacteria that have been identified, and it’s incubation period can be 2-4 days. In the laboratory, this bacterium is identified via gram-staining tests of body fluids. Symptomology can vary, according to which part of the body is affected. Areas of the host that can be infected include the lungs, covering of the brain and spinal cord, and the bloodstream. When the lungs are infected, the patient can experience fever, muscle pain, fatigue, headaches, chest pain with breaths, cough, and shortness of breath. When the covering of the brain and spinal cord are infected, patients may experience stiff neck, fever, confusion, vomiting, and photophobia. It spreads by droplet contact- sneezing, coughing, etc., of an infected person. Some forms of this bacteria feature a capsule that disrupts the usual response of the human immune system. The presence of this bacteria is considered normal in the human upper respiratory tract. Vaccination is helpful in preventing the illnesses that this bacterium can cause, and antibiotics like clarithromycin and azithromycin are used to treat the illness if bacteria is successful in infecting a human. This bacterium was first discovered in the late 1800’s.

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