Questions 47

2022-06-03 21:46:18 2005/6/25: Over the course of 1 week, a 6-year-old boy develops 0.5- to 1.0-cm pustules on his face. During the next 2 days, some of the pustules break, forming shallow erosions covered by a honey-colored crust. New lesions then form around the crust. The boy's 40-year­old uncle develops similar lesions after visiting for 1 week during the child's illness.
Lab:
The Gram stain from a skin pustule showed gram positive cocci in clusters. The organism grew on sheep blood agar (SBA) and was catalase positive. What is the most likely microorganism? باز کردن / نظر دهید

2022-06-02 23:58:48 A 14 month old boy was referred from another hospital for an infected ventriculo-peritoneal shunt. The baby was born prematurely and had meningomyelocele and hydrocephalus. He underwent surgery for his first shunt when he was 7 weeks old. One week prior to… باز کردن / نظر دهید

2022-06-02 22:21:39 A 14 month old boy was referred from another hospital for an infected ventriculo-peritoneal shunt. The baby was born prematurely and had meningomyelocele and hydrocephalus. He underwent surgery for his first shunt when he was 7 weeks old. One week prior to… باز کردن / نظر دهید

2022-06-02 22:10:25 A 14 month old boy was referred from another hospital for an infected ventriculo-peritoneal shunt. The baby was born prematurely and had meningomyelocele and hydrocephalus. He underwent surgery for his first shunt when he was 7 weeks old. One week prior to transfer, he was admitted to the hospital for fever. Needle aspiration of the shunt revealed a cloudy fluid which had Gram positive cocci in clusters seen on Gram stain & in bichemical tests apears to be coagulase -ve & novobiocin sensetive.

Questions:

Q1- Depending on the lab. diagnosis identify the bacteria?
Q2- What is the possible route through which the bacteria cames in?
Q3- Why penicillin is preferred in treatment of menengitis while it can't pass BBB? باز کردن / نظر دهید

2022-06-02 15:00:19 05/09/1990: The patient, a 16 year old female was well until 2 days prior to admission when she had a fever to (39.9C) and vomiting. On the morning of admission, she had loose stools, continued fever, and vomiting. She was seen by her local pediatrician who… باز کردن / نظر دهید

2022-06-02 00:12:18 05/09/1990: The patient, a 16 year old female was well until 2 days prior to admission when she had a fever to (39.9C) and vomiting. On the morning of admission, she had loose stools, continued fever, and vomiting. She was seen by her local pediatrician who noted that she was hypotensive (BP 76/48 mmHg) with a heart rate of 120 beats/min and a temperature of 38C. She had an erythematous rash, which was most prominent on her trunk. Cultures were obtained. The patient was given intravenous fluids and IV antibiotics and transported to the hospital, where she was admitted into the Pediatric Intensive Care Unit.

Laboratory studies indicated elevated liver enzymes, increased creatinine and blood urea nitrogen, and WBC count of 14,100 mm3 with 78% neutrophils and 18% band forms. The patient had begun her menstrual period 4 days before she became ill.

Qs:
1- what is the possible diagnosis of this case? How can confirm it? What is the possible sites for taking the sample?
2- what is the cause of the previous clinical signs the girl cames with? And what is the nature of it?
3- What is the most possible route this Microorganism get in? باز کردن / نظر دهید

2022-06-01 02:45:32 باز کردن / نظر دهید

2022-06-01 02:37:28 Which of the following bacterial cell structure possesses the thick layer of peptidoglycan?

a) Gram positive bacteria

b) Gram negative bacteria باز کردن / نظر دهید

2022-06-01 02:33:08 باز کردن / نظر دهید