Podcast
Questions and Answers
Which of the following best describes a common source of microbial contamination in healthcare settings?
Which of the following best describes a common source of microbial contamination in healthcare settings?
- Unsterilized surgical instruments (correct)
- Insufficient lighting in the surgical room
- Overcrowded waiting rooms
- Inadequate nutrition of patients
What is the primary method for testing the effectiveness of antibiotics against specific microbial strains?
What is the primary method for testing the effectiveness of antibiotics against specific microbial strains?
- Biochemical oxygen demand assessment
- Serological testing
- Thermal conductivity measurement
- Culture and sensitivity testing (correct)
Which of the following factors significantly contributes to antibiotic resistance observed in contaminants?
Which of the following factors significantly contributes to antibiotic resistance observed in contaminants?
- Presence of food particles in surgical areas
- High patient turnover rate
- Overuse and misuse of antibiotics (correct)
- Low microbial diversity in hospitals
What impact do contaminants such as MRSA have on health care-associated infections?
What impact do contaminants such as MRSA have on health care-associated infections?
Which of the following microbial assay methods is commonly used to estimate viable cell counts?
Which of the following microbial assay methods is commonly used to estimate viable cell counts?
Which of the following is a common test organism used in antibiotic susceptibility testing?
Which of the following is a common test organism used in antibiotic susceptibility testing?
The presence of which type of microbe is primarily associated with wound infections in healthcare settings?
The presence of which type of microbe is primarily associated with wound infections in healthcare settings?
Which of the following statements about microbiological contamination is true?
Which of the following statements about microbiological contamination is true?
Which vitamin deficiency is associated with the development of pellagra?
Which vitamin deficiency is associated with the development of pellagra?
Which mineral is recognized for its role in boosting immune system function?
Which mineral is recognized for its role in boosting immune system function?
Identify the trace mineral crucial for heme synthesis and wound healing.
Identify the trace mineral crucial for heme synthesis and wound healing.
The neurological disorder known as Wernicke-Korsakoff Syndrome is primarily associated with which vitamin deficiency due to alcoholism?
The neurological disorder known as Wernicke-Korsakoff Syndrome is primarily associated with which vitamin deficiency due to alcoholism?
Which type of malnutrition is linked to improper digestion and absorption of nutrients?
Which type of malnutrition is linked to improper digestion and absorption of nutrients?
What describes the daily nutritional requirements for a normally healthy individual?
What describes the daily nutritional requirements for a normally healthy individual?
What is the primary reason for the ban on nitrites as food preservatives?
What is the primary reason for the ban on nitrites as food preservatives?
Which of the following health issues is associated with antibiotic resistance in microbial contaminants?
Which of the following health issues is associated with antibiotic resistance in microbial contaminants?
Which organism is commonly identified as a contaminant in hand cream?
Which organism is commonly identified as a contaminant in hand cream?
Which microbial contaminant has been linked to talcum powder?
Which microbial contaminant has been linked to talcum powder?
What type of bacteria is commonly found in antiseptic mouthwash?
What type of bacteria is commonly found in antiseptic mouthwash?
Which organism poses a risk related to microbial contamination in intravenous fluids?
Which organism poses a risk related to microbial contamination in intravenous fluids?
Which of the following is known for its antibiotic resistance among microbial contaminants?
Which of the following is known for its antibiotic resistance among microbial contaminants?
Which bacterial group is frequently implicated in health impacts from microbial contamination?
Which bacterial group is frequently implicated in health impacts from microbial contamination?
What type of substances can Enterobacter spp. contribute to in terms of product contamination?
What type of substances can Enterobacter spp. contribute to in terms of product contamination?
Which organism is associated with the microbial contamination of the influenza vaccine?
Which organism is associated with the microbial contamination of the influenza vaccine?
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Study Notes
Occupational Hazards
- Physical hazards encompass heat, cold, noise, and vibration
- Chemical hazards include toxins, reagents, cleaning products, acids, pesticides, and flammable liquids
- Carbon monoxide, a chemical hazard, has a higher affinity for hemoglobin than oxygen, leading to asphyxia
- Biological hazards include blood, fungi, molds, bacteria, animal droppings, and insect bites
- Ergonomic hazards involve uncomfortable chairs and bodily wear and tear
Quality Assurance & Quality Control
- MRSA (Methicillin-Resistant Staphylococcus aureus) is a major cause of healthcare-associated infections (HCAI's)
- MRSA causes wound and soft tissue infections, catheter-associated urinary tract infections, colitis, and ventilator-associated pneumonia
- Major contributors to HCAIs include failure of healthcare personnel to follow handwashing protocols and an increased number of immunocompromised patients
- Carbon monoxide is an air contaminant that can cause death by asphyxiation in high concentrations
- Vit. B deficiency, often caused by alcoholism, can lead to a neurological disorder called Wernicke-Korsakoff Syndrome
- Secondary malnutrition results from inadequate mastication, digestion, absorption, transport, and excretion of nutrients
- RDA stands for Recommended Daily Allowance and describes the amount of energy, protein, minerals, and vitamins needed by healthy individuals
- Nitrites, used as preservatives in food, can react with amines to form carcinogenic nitrosoamines, posing a health risk
Microbial Contaminants
- Pseudomonas aeruginosa has been identified as a microbial contaminant in hand cream
- Coliforms have been identified as a microbial contaminant in talcum powder
- Coliforms have been identified as a microbial contaminant in mouthwash
- Pseudomonas aeruginosa has been identified as a microbial contaminant in intravenous fluids
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