BIOL 3070 Lecture Notes - Lecture 3: Trimethoprim, Cell Membrane, Vancomycin-Resistant Staphylococcus Aureus

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coppersheep743

8 Dec 2017

School

University of Windsor

Department

Biological Sciences

Course

BIOL 3070

Professor

tanyanoel

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Document Summary

At this point i just want to talk a little bit about diagnostic microbiology. We"ll be looking at a number of different pathogens and diseases and. 0:07 diagnosis will be one of the things that we look at. 0:13 diagnostic process usually involves some common steps. 0:18 patient, including their signs and symptoms, can be incredibly helpful but. 0:22 we often need to do specimen collection to actually identify the pathogen. The clinical microbiology lab can carry out a number. 0:32 of different tests on the specimen in order to identify the agent causing the. Usually it"s information gathered from a number of different. 0:42 tests and sources that can together be used to identify the possible pathogen. An important part of diagnosing infectious disease usually involves. 0:54 collecting, processing, and testing a variety of different types of clinical. And specimens range from very simple swabs from a sore throat to.

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Discussion: Assessing the Ears, Nose, and Throat Most ear, nose, and throat conditions that arise in non-critical care settings are minor in nature. However, subtle symptoms can sometimes escalate into life-threatening conditions that require prompt assessment and treatment. Nurses conducting assessments of the ears, nose, and throat must be able to identify the small differences between life-threatening conditions and benign ones. For instance, if a patient with a sore throat and a runny nose also has inflamed lymph nodes, the inflammation is probably due to the pathogen causing the sore throat rather than a case of throat cancer. With this knowledge and a sufficient patient health history, a nurse would not need to escalate the assessment to a biopsy or an MRI of the lymph nodes, but would probably perform a simple strep test. In this Discussion, you consider case studies of abnormal findings from patients in a clinical setting. You determine what history should be collected from the patients, what physical exams and diagnostic tests should be conducted, and formulate a differential diagnosis with several possible conditions. Note: By Day 1 of this week, your instructor will have assigned you to one of the following case studies to review for this Discussion. Also, your Discussion post should be in the SOAP Note format, rather than the traditional narrative style Discussion posting format. Refer to Chapter 2 of the Sullivan text and the Comprehensive SOAP Template in the Week 4 Learning Resources for guidance. Remember that not all comprehensive SOAP data are included in every patient case. Case 1: Nose Focused Examination Richard is a 50-year-old male with nasal congestion, sneezing, rhinorrhea, and postnasal drainage. Richard has struggled with an itchy nose, eyes, palate, and ears for 5 days. As you check his ears and throat for redness and inflammation, you notice him touch his fingers to the bridge of his nose to press and rub there. He says he's taken Mucinex OTC the past two nights to help him breathe while he sleeps. When you ask if the Mucinex has helped at all, he sneers slightly and gestures that the improvement is only minimal. Richard is alert and oriented. He has pale, boggy nasal mucosa with clear thin secretions and enlarged nasal turbinates, which obstruct airway flow but his lungs are clear. His tonsils are not enlarged but his throat is mildly erythematous. To prepare: Review this week's Learning Resources and consider the insights they provide. Consider what history would be necessary to collect from the patient. Consider what physical exams and diagnostic tests would be appropriate to gather more information about the patient's condition. How would the results be used to make a diagnosis? Identify at least 10 possible conditions that may be considered in a differential diagnosis for the patient. Note: Before you submit your initial post, replace the subject line (âWeek 5 Discussionâ) with âReview of Case Study ___,â identifying the number of the case study you were assigned. Post a description of the health history you would need to collect from the patient in the case study to which you were assigned. Explain what physical exams and diagnostic tests would be appropriate and how the results would be used to make a diagnosis. List five different possible conditions for the patient's differential diagnosis and justify why you selected each.

1. Biological specimens such as urine, stool and saliva samples can be useful for identifying all of the following, except

A risk factors for disease

B characteristics associated with having the disease

C blood pressure

D presence of disease

2. Abstracts provide a glimpse into the content of an article?

A true

B false

3. Acquisition of evidence for improving clinical and public health practices and policies is an example of a societal benefit of health research?

A true

B false

4. Population health research objectives may include:

A identifying and classifying new health problems

B determining risk factors

C evaluating the impact of health policies on health outcomes

D al of the above

5. All of the following are examples of tests of physiological function, except:

A spirometry

B electrocardiography

C audiometry

D all of the above

6. Which is not an example of population based research?

A compare rates of acure lung disease in several metropolitan areas and see whether the rates of disease are correlated with local air quality

B determine whether survival following breast cancer diagnosis is linked to the presencw of certain genes

C conduct a vaccine trial

D analyze biochemical composition of selected foods

7. Health researchers examine all of the following factors that contribute to health and to disease illness disability and death except:

8. ____ is physiological measurements that can be accurately taken after minimal instruction.

A anthropometry

B basic vital signs

C clinical examinations

D biological specimens

9. Population based studies are typically conducted using:

A human subjects

B animals

C research facilities

D none of the above

10. The process of systematically and carefully investigating a subject in order to learn or discover new information about the world is known as?

11. When identifying specific exposures diseases and populations of interest identifying relevant statistics is not helpful.

A true

B false

12. Which of the following is not an example of an adittional assessment that can be conducted as a way to supplement self reported information during the data collection process?

A vital signs

B test of physiological function

C physical fitness tests

D surveys

13. To look for a health science abstract in PubMed one an use all of the following search methods except:

14. When conducting anthropometric measurements, there is no need for the researcher to ensure that the methods used to take these measurements are standardized

A true

B false

15. There is no need to read the full article if the abstract is available.

A true

B false

16. Which of the following is not an example of an examination a clinician can conduct to examine many health states that machines are unable to assess well?

A breath sounds and other respiratory functions

B heart sounds

C heart rate

D the condition of the skin hair and nails

17. Which is not a step in the research process?

A identify a study question

B select a study approach

C report study findings

D all of the above

18. A paragraph length summary of an article chapter or book is known as a

19. Health science abstracts usually provide a brief description of

A study design

B the study populatio

C key findings of the study

D all of the above

20. The goal of every research project is to find and address gaps in the literature and to build on precious work.

A true

B false

21. Which is not an example of laboratory research?

A compare tests of air quality in several metropolitan areas

B identify biological mechanisms for the emergence of drug resistant bacteria

C use a food frequency questionnaire to examine dietary behaviors in a selected population

D develop a new vaccine

22. If clinical examinations are conducted as part of the data collection process an assessment form should carefully describe each component of the examination procedure to be used and diagnostic procedure for each item on the assessment form

A true

B false

23. ____ is the measurement of the size/composition of the human body

A anthropology

B vital signs

C clinical examinations

D biological specimens

24. Health research is considered to be a scientific process only.

A true

B false

25. The goal of any one research project is to contribute vast amount of information that when pooled with other researchers information will provide evidentiary foundation for change

A true

B false

26. Which is an example of health abstract databases available from libraries via subscription

27. All of the following are examples of anthropometric measurements except:

A height

B waist circumference

C skinfold measurements

D blood pressure

28. All of the following are good sources of information that a researcher can use to explore what his primary area of research interest is except:

29. Which of the following is the most important publicly available health science database?

We discuss three acellular infectious agents in this module â viruses, prions and viroids. Infection by any one of these can have serious consequences to human health and/or economic wellbeing. In the event of an outbreak, it is important to be able to identify and contain these pathogens to avoid potentially deadly outbreaks. Your assignment is to choose one of the three infectious agents and consider the epidemiological features of your selection. By epidemiological features we mean: Can you characterize the causative organism? Where does the disease come from? Who is affected? How do they acquire the pathogen? What are the symptoms and risk factors? How is the disease dealt with once it is discovered in order to prevent its spread? You can choose one pathogen based on the general scenario described below.

For this assignment you now work for the United States Department of Agricultureâs Agriculture Research Service. You have been assigned to characterize a new epidemic that has spread rapidly at a farm in Montana. You arrive at the farm observe the livestock, crops and farm workers for signs of illness. You sample the fluids and tissue of several affected organisms and bring them to a state-of-the-art USDA laboratory for analysis. The outbreak is fictional but all the information â from the organism, to how it is acquired, to the symptoms it causes â should be legitimate for the infectious agent. I have intentionally left out these and other details in the scenario. You will fill in the details in your essay by addressing the following questions.

What is the affected organism (animal/plant/human or any combination)?

What are the symptoms exhibited by the affected organism(s)?

What is the pathogen that you have identified after analysis of the infected material?

How where you able to identify the agent in a laboratory?

Describe the etiology. How did the infection make its way to the farm?

Trace the fictional outbreak from its origins either locally, nationally or internationally.

Knowing how the infectious agent is disseminated, what recommendations do you make to the farm manager for containment and treatment of infected organisms?

Please visit the Excelsior Library to find at least 3 suitable citations to support the information you provide as you portray this outbreak.

Your essay should be 2-3 pages in length, double spaced in a 10-12 point font. Please be sure to cite all sources of information, including the text book, in the essay text and on a reference page using APA format. When you have finished your essay, attach it to the assignment drop box and submit it to your instructor.

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BIOL 3070 Lecture Notes - Lecture 3: Trimethoprim, Cell Membrane, Vancomycin-Resistant Staphylococcus Aureus

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