Bacteria which demonstrate positive results on Gram staining under some conditions and negative under other circumstances are called

Gram-variable

Bacteria responsible for deep tissue abscesses are most likely _________________ in terms of oxygen requirements.

anaerobic

Thin-walled vesicles which easily rupture in cases of ______________ impetigo are considered less contagious than the alternative form of impetigo.

bullous

Recent childbirth, use of wound packing materials, or menstrual tampons left in place for an extended time are risk factors for

toxic shock syndrome

Otitis Media infections caused by streptococcus pneumonia may require a surgical ------ procedure and placement of small vent tubes

myringotomy

which type of bacteria are characterized by their spherical, grape-cluster appearance?

staphylococci

Which pathogenic bacteria are most commonly responsible for acute pharyngitis and scarlet fever?

Streptococcus pyogenes

Necrotizing fasciitis is most often the result of a break in the skin allowing which of the following to gain access to deeper tissues and cause damage?

Group A streptococci

Which group of bacteria demonstrate the highest intrinsic antibiotic resistance to vancomycin?

Enterococci

Chronic bone and bone marrow infections are most commonly caused by:​

Staphylococcus aureus

The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.

​Desquamation

Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.

Erythema

Sloughing off of skin with manual friction as seen in scalded skin syndrome.

Nikolsky's sign

A professional prediction or forecast of the most likely course or outcome of a disease.

Prognosis

Diagnostic imaging study using chemical isotopes to view bones or organs.

Radionuclide scan

An inflammation involving hair follicles caused by bacterial or fungal infection.

​Folliculitis

The ability of a bacterial pathogen to produce pus.

pyogenic

Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.

otitis media

Epidermal skin cellulitis caused by group A streptococci and appears as a bright red rash on the face following strep throat infection or in other areas following surgery or injury.

Erysipelas

Epidermal skin cellulitis caused by group A streptococci and appears as a bright red rash on the face following strep throat infection or in other areas following surgery or injury.

​Puerperal fever

Researchers believe that up to 90% of the deaths in World War I soldiers infected with the 1918 influenza pandemic actually died of secondary S. pneumoniae and S. pyogenes infections.

True

Staphylococcus aureus has a cell envelope that contains protein M which is antigenic to protect against phagocytosis and enhances adherence to pharyngeal tissues.​

False

Streptococcus agalactiae is better known as group B streptococcus (GBS).​

True

The primary effect of infective endocarditis is valvular insufficiency followed by congestive heart failure and myocardial abscesses. ​

True

Streptococcus pyogenes produces the exfoliative toxin responsible for the loss of epidermal tissues in scalded skin syndrome.​

False

Bullous impetigo is also called impetigo contagiosa and is extremely transmissible by indirect contact

False

Sycosis barbae is an inflammation of the hair follicles of the scalp in children.

False

The most common pathogens responsible for intravascular catheter-related infections are coagulase negative staphylococci (CoNS) according to the CDC.

True

Staphylococcus aureus and S. epidermidis are difficult to distinguish from one another on lab culture because both appear as white growth colonies on agar plates.​

false

Endocarditis from artificial heart valve implantation with infection from S. epidermidis may not manifest clinical symptoms for up to one year following surgery.​

True