Deck 12: Gram Positive Cocci

Question 1

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

A)​Enterococci
B)​Staphylococci
C)​Streptococci
D)​Viridans group

Answer 1

B

Question 2

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

A)​Staphylococcus aureus
B)​Staphylococcus lugdunensis
C)​Streptococcus pneumoniae
D)​Streptococcus pyogenes

Answer 2

D

Question 3

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Nikolsky's sign

Answer 3

i

Question 4

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Pyogenic

Question 5

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Erysipelas

Question 6

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Radionuclide scan

Question 7

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Otitis media

Question 8

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

Question 9

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Desquamation

Question 10

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

A)​Staphylococcus aureus
B)​Staphylococcus lugdunensis
C)​Streptococcus pneumoniae
D)​Streptococcus pyogenes

Question 11

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

Question 12

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Puerperal fever

Question 13

Otitis media infections caused by Streptococcus pneumoniae may require a surgical ____________________________ procedure and placement of small vent tubes.​

Question 14

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Prognosis

Question 15

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

A)​Enterococci
B)Group A streptococci
C)​Group B streptococci
D)​Viridans group streptococci

Question 16

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Erythema

Question 17

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

Question 18

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

Question 19

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?

A)​Enterococci
B)​Group A streptococci
C)​Group B streptococci
D)V​iridans group streptococci

Question 20

​Match the following terms or phrases with the correct description or definition.a.​Diagnostic imaging study using chemical isotopes to view bones or organs.b.​An inflammation involving hair follicles caused by bacterial or fungal infection.c.​Dilatation of cutaneous capillaries resulting in superficial redness, often in patches.d.​The ability of a bacterial pathogen to produce pus.e.​Infection involving the female reproductive system including the endometrium following childbirth, abortion, or miscarriage which can progress to septicemia or peritonitis.f.​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.g.​The shedding or peeling of epithelial tissues as seen in toxic shock syndrome.h.​A professional prediction or forecast of the most likely course or outcome of a disease.i.​Sloughing off of skin with manual friction as seen in scalded skin syndrome.j.Inflammation of the middle ear seen frequently in children with chronic infections from Streptococcus pneumoniae.
​Folliculitis

Question 21

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

Question 22

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.​

Question 23

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

Question 24

​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.

Question 25

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

Question 26

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

Question 27

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

Question 28

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

Question 29

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

Question 30

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