Micro

Question 1

Answer 1

Erythema infectiosum (parvovirus)

Notice the slapped cheek appearance

Question 2

What causes this type of reaction?

Answer 2

Vaccinia (pox vaccine)

Question 3

What disease can manifest this way?

Answer 3

Lepromatous leprosy (Mycobacterium leprae)

Note the neurotrophic atrophy

Question 4

Answer 4

Elrichia (HME)

Notice morulae in cytoplasm of monocyte

Question 5

Organism causing the disease described here?

Answer 5

Parvocirus - Erythema contagiosum

(flu-like illness followed by rash)

Question 6

Answer 6

Molluscum contagiosum (pox virus)

Question 7

Answer 7

RMSF

Notice rash on PALMS

Question 8

Answer 8

Molluscum contagiosum

Question 9

Answer 9

Borellia burgdorferi

Bulls eye rash (erythema chronicum migrans of initial LD)

Question 10

What organism may cause this finding?

Answer 10

B. burgdeorferi

(tertiary lyme disease can cause erosive arthritis, especially of the knee)

Question 11

Answer 11

Aplasma phagocytophilia (HGA)

Notice morulea in cytoplasm of granulocyte

Question 12

Answer 12

Bartonella henselae

(Lymphadenopathy in kid = think cat scratch)

Question 13

Answer 13

Parvovirus

Notice the lacy (reticulate) red rash on limbs and trunk

Question 14

Answer 14

Fifth disease

Notice slapped cheek appearance + lacy (reticular) red rash

Question 15

Answer 15

Smallpox

Question 16

Answer 16

RMSF

Notice rash on PALMS and wrist

Question 17

This shows the structure of what virus?

Answer 17

Pox virus (brick-shaped)

Question 18

Answer 18

Eczema vaccinatum from vaccinia (pox vaccine)

Question 19

What disease is transmitted by the organism on the left? Right?

Answer 19

Left = deer tick = HGA

Right = deer tick nymph = LD

Question 20

The mother of this fetus could have been infected with what org?

Answer 20

Parvo B19

(Lyses RBCs = miscarriage, fetal anemia, hydrops fetalis)

Question 21

Answer 21

HGA distribution

(Transmitted via Lone Star tick)

Question 22

Answer 22

Molluscum contagiosum (poxvirus)

Question 23

Which organism replicates this way?

Answer 23

Pox virus

(Only DNA virus that replicates in the cytoplasm; envelope formed de novo)

Question 24

Answer 24

Pox virus

Question 25

Answer 25

R. rickettsia distribution (RMSF)

OK, SC, NC, AR, MI

Question 26

Answer 26

RMSF

Notice rash on SOLES

Question 27

Answer 27

Bed bug bite

Breakfast, lunch, and dinner

Question 28

First step in management?

Answer 28

Doxycline + amoxicillin

Question 29

Answer 29

Leptospirosis

Jaundice