Chapter 5

Question 1

CDC Top HAI Causing Pathogens

• Found in soil, water, and on the skin of healthy individuals.
• Mild skin or soft tissue infections
• Severe Infections such as: Pneumonia, bloodstream infections, and urinary tract infections.

Answer 1

Acinetobacter

Question 2

CDC Top HAI Causing Pathogens

• Can colonize the intestines, without causing symptoms. It can overgrow and produce toxcins leading to infection.
• Common symptoms: watery diarrhea, abdominal pain, fever, and loss in appetite.
• Found in fecal matter, human intestines, etc.

Answer 2

Clostridium Difficile ( C. Difficile)

Question 3

CDC Top HAI Causing Pathogens

• Developed resistance to carbapenem antibiotics.
• Infections such as: urinary tract infections (UTIs), bloodstream infections (bacteremia), pneumonia, intra-abdominal infections, and wound infections.
• Found in healthcare facilities

Answer 3

Enterobacteriaceae (Carbapenem-resistance)

Question 4

CDC Top HAI Causing Pathogens

• Virus that destroys CD4 + T cells and weakens the immune system
• Responsible for AIDS
• Opportunistic Infections: Tuberculosis, pneumonia, candidiasis, cytomegalovirus, and various bacterial, viral, fungal, and parasitic infections.
• Can affect the nervous system

Infected CD4 cell

Answer 4

Human immunodeficiency virus (HIV)

Question 5

CDC Top HAI Causing Pathogens

• resistant to many antibiotics including methicillin and other beta-lactam antibiotics.
• Can cause skin and soft tissue infections such as boils, abscesses, cellulitis, and impetigo.
• Other common conditions: wound infections, pneumonia, bloodstream infections (Bacteremia), bone and joint infections, endocarditis, and device-associated infections.

Answer 5

Methicillin-resistant Staphylococcus aureus

Answer 6

Norovirus