Chap 13-15 Pt 3 Flashcards
(17 cards)
What are the three layers of the skin?
Epidermis, dermis, hypodermis (subcutaneous layer)
The skin serves as a protective barrier and has various functions including sensation and thermoregulation.
What is an abscess?
A localized collection of pus in an area of tissue
Abscesses can occur in various tissues and are often a result of bacterial infection.
What is cellulitis?
An acute infection of the dermis usually originating from a boil or ulcer, characterized by redness, swelling, warmth, and pain
Symptoms develop within hours or days after infection.
What are infections that result in the death of infected tissue called?
Necrotizing infections
These infections can be life-threatening and require immediate medical attention.
What commonly causes warts?
Human papillomavirus (HPV)
Warts are benign growths that can appear on various parts of the body.
Which virus causes smallpox?
Variola virus of the orthopoxvirus family
Smallpox was a highly contagious disease that has been eradicated through vaccination.
Which viruses cause chickenpox and shingles?
Varicella-zoster virus
Chickenpox is the primary infection, while shingles occurs later in life from reactivation of the virus.
What is the most common cause of herpes simplex infections on lips and in the mouth?
HSV1 (Herpes Simplex Virus type 1)
HSV1 is primarily associated with oral herpes, while HSV2 is more commonly associated with genital herpes.
What is ‘athlete’s foot’ referred to as?
Tinea pedis
Tinea pedis is a fungal infection that affects the skin on the feet.
What structures are included in the upper respiratory system?
Nose, pharynx, and associated structures
The upper respiratory system is involved in the filtration and humidification of air.
What structures are included in the lower respiratory system?
The lower respiratory system consists of the larynx, trachea, bronchi, and lungs.
What organism causes scarlet fever?
Scarlet fever is caused by Streptococcus pyogenes.
Who is the causative agent of whooping cough?
Whooping cough is caused by the organism Bordetella pertussis.
What microorganisms can cause sinusitis?
Sinusitis can be caused by several different microorganisms: viruses bacteria fungi.
The term ‘stomach flu’ refers to _______.
gastroenteritis
What causes botulism?
Botulism is caused by clostridium botulinum.
What is a microbial biofilm that can form on teeth and cause decay?
A microbial biofilm that can form on the enamel surface of teeth and often causes tooth decay and/or periodontal problems is referred to as dental plaque.