NBEO-Microbiology (Non Big 8)

Which of the following is NOT considered a eukaryote?

A) Fungi

B) Bacteria

C) Protozoa

D) Algae

B) Bacteria

Which of the following is NOT found in a prokaryote? (Choose 2)

A) Cell wall

B) Nucleus

C) Membrane bound organelles

D) Ribosomes

B and C

Which type of bacteria does NOT have a cell wall?

A) Staphylococcus

B) Mycoplasma

C) Streptococcus

D) Pseudomonas

B) Mycoplasma

Do Gram positive or Gram negative bacteria have LPS?

Gram negative

Do gram positive or gram negative bacteria have a thicker peptidoglycan wall?

Gram positive

Do gram positive or gram negative bacteria stain purple with a gram stain?

Gram positive

Do gram positive or gram negative bacteria stain pink with a gram stain?

Gram negative

Which of the following medications does NOT target cell wall synthesis?

A) Cephalexin

B) Moxifloxacin

C) Augmentin

D) Bacitracin

B) Moxifloxacin

Which of the following are considered spore forming bacteria? (Choose 2)

A) Clostridium botulinum

B) Bacillus anthracis

C) Neisseria gonorrhea

D) Staph aereus

A and B

Is Staph aureus catalase positive or negative?

positive

Is Staph aureus coagulase positive or negative?

positive

Toxic shock syndrome is primarily associated with which bacteria?

Staph aureus

Is Staph epidermidis coagulase positive or negative?

negative

Is Staph epidermidis catalase positive or negative?

positive

What is the most common bacterial cause of acute postoperative endophthalmitis?

Staph epidermidis

Is Bacterial conjunctivitis more commonly seen in children or adults?

Children

Is Streptococcus pneumoniae catalase positive or negative?

Negative

What is the most common bacterial cause of bacterial pneumonia, meningitis, and otitis media?

Streptococcus pneumoniae

Streptococcus pyogenes is referred to as a Group __________ strep.

Group A

Which gram positive bacteria is primarily associated with Erysipelas?

Streptococcus pyogenes

Which of the following is a gram negative bacteria?

A) Bacillus anthracis

B) Cornyebacterium diptheriae

C) Haemophilus influenzae

D) Clostridium botulinum

C) Haemophilus influenzae

Which gram negative bacteria are most commonly associated with corneal ulcers in contact lens wearers?

Pseudomonas aeruginosa

Which gram negative bacteria is commonly associated with otitis media and conjunctivitis in young children?

A) Staph aureus

B) Haemophilus influenzae

C) Neisseria gonorrhoeae

D) Klebsiella pneumoniae

B) Haemophilus influenzae

Which gram negative bacteria is known to cause a hyperacute conjunctivitis with (+) preauricular lymphadenopathy?

Neisseria gonorrhoeae

Which gram negative bacteria is known to cause angular blepharoconjunctivitis and is associated with shared eye makeup?

A) Proteus mirabilis

B) Klebsiella pneumoniae

C) Moraxella

D) Bordatella pertussis

C) Moraxella

Which bacteria is known to produce oral facial abscesses with sulfur granules and is associated with canaliculitis?

A) Moraxella

B) Mycobateria

C) Proteus mirabilis

D) Actinomyces

D) Actinomyces

Which of the following is NOT considered a gram negative bacteria?

A) Klebsiella pneumoniae

B) Proteus mirabilis

C) Cornyebacterium diptheriae

D) Bordatella pertussis

C) Cornyebacterium diptheriae

Which of the following is an acid fast bacteria that is associated with night sweats, fever, and weight loss?

A) Actinomyces

B) Mycobacteria

C) Neisseria gonorrhoeae

D) Chlamydia trachomatis

B) Mycobacteria

Which spirochete is primarily associated with syphilis?

Treponema pallidum

Which ocular finding is NOT associated with syphilis?

A) Interstitial keratitis

B) Argyll-Robertson pupil

C) Herbert's pits

D) Macular exudative star

C) Herbert's pits

The leading cause of ophthalmia neonatorum in the US is ____________.

Chlamydia

What is the classic triad associated with a Rickettsia infection?

1) Headache

2) Fever

3) Rash

Which parasite is associated with Rocky Mountain Spotted Fever?

A) Treponema pallidum

B) Rickettsia

C) Borrelia

D) Bordella

B) Rickettsia

Which organism would LEAST likely be affected by a penicillin?

A) Staph aureus

B) Streptococcus epidermidis

C) Mycoplasma

D) Cornyebacterium diptheria

C (does not have a cell wall)

Which of the following is NOT considered a DNA envelope virus?

A) Hepatitis A

B) Hepatitis B

C) HSV 1

D) CMV

A (RNA nucelocapsid)

Which of the following is NOT considered a DNA virus?

A) Hepatitis B

B) Adenovirus

C) Influenza

D) CMV

C) Influenza

Is HIV a DNA or RNA virus?

RNA

Is HSV a DNA or RNA virus?

DNA

Is Hepatitis A a DNA or RNA virus?

RNA

Is Hepatitis B a DNA or RNA virus?

DNA

Is Cytomegalovirus a DNA or RNA virus?

DNA

Which of the following is NOT a main serotype associated with EKC?

A) 8

B) 9

C) 17

D) 37

C) 17

Is Adenovirus a DNA or RNA virus?

DNA

Is keratoconjunctivitis more commonly caused by HSV-1 or HSV-2?

HSV-1 (can be caused by HSV-2 also)

What is the leading cause of blindness in a patient with AIDS?

Cytomegalovirus (CMV)

CMV is prevalent in AIDS patients with a CD4 count < ___________.

< 50

Which type of virus is associated with molluscum contagiosum?

DNA poxvirus (HIV if multiple molluscum nodules are present)

Molluscum contagiosum is normally caused by a DNA poxvirus. However, if multiple nodules are present it can be suspicious for which virus?

HIV

What is the most common viral STD in the US?

HPV

Which virus is most associated with cervical cancer?

HPV

Which of the following are spread through oral-fecal transmission? (Choose 2)

A) Hepatitis A

B) Hepatitis B

C) Hepatitis C

D) Hepatitis D

E) Hepatitis E

A and E

Which of the following has a vaccine available? (Choose 2)

A) Hepatitis A

B) Hepatitis B

C) Hepatitis C

D) Hepatitis D

E) Hepatitis E

A and B

Which of the following is only carried with Hepatitis B as a super infection?

A) Hepatitis A

B) Hepatitis E

C) Hepatitis C

D) Hepatitis D

D) Hepatitis D

What is the culture media of choice for the growth of fungi?

Sabouraud's agar

Are yeast or mold unicellular?

Yeast

Do yeast or mold contain hyphae?

Mold

___________ fungi are capable of shifting from a mold (in the external environment) to a yeast (in the host).

Dimorphic fungi

Is Candida albicans considered a yeast or a mold?

Yeast

Which yeast is known to cause thrush and vaginitis in an immunocompromised patient?

Candida albicans

Which fungus is known to cause systemic mycoses and is specifically found in the southwestern region of the US?

Coccidioides immitis

Which fungus is endemic to the Mississippi and Ohio River valleys and is caused by the inhalation of bird and bat droppings?

Histoplasma capsulatum

What is the most common cause of fungal corneal ulcers?

Candida albicans

Is Aspergillus a yeast or mold?

mold

Is Mucormycosis caused by a yeast or mold infection in immunocompromised/diabetic patients?

Mold

Which of the following is also known as a fluke?

A) Trematode

B) Cestode

C) Nematode

A) Trematode

Which of the following is also known as a tapeworm?

A) Trematode

B) Cestode

C) Nematode

B) Cestode

Which of the following is also known as a roundworm?

A) Trematode

B) Cestode

C) Nematode

C) Nematode

Which parasite is associated with Lice?

A) Demodex folliculitis

B) Pediculosis capitis

C) Plasmodium

D) Giardia

B) Pediculosis capitis

Which parasite (mite) infection is known to target hair follicles and sebaceous glands including the meibomian glands?

Demodex

Which of the following parasite is mainly associated with malaria?

A) Demodex folliculitis

B) Pediculosis capitis

C) Sarcoptes scabiei

D) Plasmodium

D) Plasmodium

Which parasite is known to cause Toxoplasmosis?

Toxoplasmosis gondii

What is the most common opportunistic infection associated with HIV?

Pneumocystis jiroveci

Is Pneumocystis jiroveci caused by a yeast or mold infection?

Yeast

Which infection is associated with rinsing contact lenses with tap water and presents clinically with symptoms that outweigh the clinical presentation?

Acanthamoeba

What is the preferred way to culture an Acanthamoeba infection?

A) Thayer Martin agar

B) Sabouraud agar

C) Chocolate agar

D) Non-nutrient agar with heat killed E. Coli

D) Non-nutrient agar with heat killed E. Coli