Question

BIOS242, Week 7, Lab2 Name: Case Study 2: Sharon just graduated from high school and her parents took her on a celebration trip to Venezuela. On the trip, Sharon and her family vihited many small villages and Sharon had the opportunity to experience life in these villages. Sharon and her family were treated to local cuisine made from fresh vegetables. On the final day of the trip Sharon and her family all came down with an intense case of diarrhea Lab tests were performed with the resulits shown below. Based upon the dichotomous chart, what organism caused the diarrhea? Gram negative rods: Lactose fermentation positive: Case Study 3 Jennifer was a new nurse at the local hospital. She had recently passed her NCLEX exam and was excited to be working at her dream job, Jennifer was asked to start an V on a heart patient so that they could give the patilent IV medications. She was thrilled for the opportunity to show off her excellent skils at starting Vs. As Jennifer removed the cap from the needle, she accidentally brushed the needle against the skin on her forearm. Jennifer knew that she should get a new needle but she was concerned that she would get in trouble so went ahead and used the needle to start the V. The next day, the heart patient spiked a fever and showed other indications of septic infection. Blood cultures were ordered and the results are shown below. Using the dichotomous tree, determine the organism that is causing problems for the heart patient. Gram positive cocdi: Lactose fermentation positive Case Study 4: Juanita was happy and excited about the birth of her new baby boy Joshua. Although Joshua was born prematurely, he thrived in the hospital and was released two weeks after birth. On the fifth day at home, Juanita noticed that Joshua wasn't interested in breast feeding and that he seemed lethargic. luanita became more concerned when she noticed red spots on the blanket she used when breast feeding. Fearing that there was a major problem, Juanita took Joshua to the hospital. The hospital asked Juanita for some expressed breast milk which was sent to the laboratory for culture. The results of the culture are below. Based on the dichotomous tree, what organism is causing problems for Joshua? Gram negative rods: Lactose fermentation negative: 2

Answer 1

Case study 2. Answer :

Gram negative rods causes diarrhea :

Salmonella and E. Coli.

Lactose fermentation positive rods are E. Coli, klebsiella, enterobactor ect.

Case study 3. Answe :

Gram positive cocci causes heart diseases is staphylococcus aureus.

Lactose fermentation positive : this organism does not ferment, because unable to synthesis the cytocromes.

Case study 4. Answer :

Gram negative rods is E. Coli infection.

Staphylococcus organism also causes breast milk infection.

It is lactose fermentation positive organisms.