Chapter 16 Flashcards
(11 cards)
Chicken Pox (pathogen, treatment, transmission, and symptoms)
Pathogen: VZV
Transmission: Respiratory droplets and direct contact
Symptoms: Itchy rash, fever, vesicles and may reactivate into shingles
Treatment: Varicella Vaccine
MRSA (type, transmission, diseases and treatment)
Type: Antibiotic resistant bacteria
Transmission: Direct contact and fomites
Diseases: Skin infections, abscesses and sepsis
Treatment: Vancomycin and any other non B lactam antibiotics
Streptococcus Pyogenes (characteristics and diseases)
Group A Strep (GAS)- Gram-Positive Cocci
Diseases- Impetigo, strep throat, necrotizing fasciitis, cellulitis
Virulence factors- M Protein, hemolysins, hyaluronidase
Staphylococcus characteristics
Shape- Gram-positive cocci
Notable species- S aureus and S epidermidis
Disease- Impetigo, boils, and toxic shock syndrome
Virulence- Coagulase, enterotoxins, and exfoliative toxins
Skin and Integument Anatomical Characteristics
Structures: Epidermis, dermis, sweat glands, and sebaceous glands
Functions: Barrier, temperature regulation, vitamin D production, and sensory reception
Eye Anatomical Characteristics
Structure: Retina, sclera, conjunctivae, lens, optic nerve, and cornea
Function- Light detection, protection, and vision
Defense mechanisms of the skin
Physical- Keratinized surface and tight junctions
Chemical- Low pH, sebum, and antimicrobial peptides
Biological- Normal flora
Defense mechanisms of the eye
Tears- Lysozyme, lactoferrin, and flushing action
Blinking-Removes debris
Normal Flora- Sparse, mainly Staphylococcus species
Normal Biota
Common membranes- epidermidis, Staph propionibacterium acnes
Potential pathogens- S aureus, P. aeruginosa, and S pyogenes
Cellulitis
Cause: S aureus or S pyogenes
Symptoms: Redness, swelling, pain, and warmth
Treatment: Antibiotics
Conjunctivitise
Bacterial- Sticky, yellow/green discharge, unilateral
Viral- Watery discharge, bilateral
Transmission- Direct contact, highly contagious
