Lecture 4 highlights

Question 1

What species is the most virulent form of malaria?

Answer 1

P. falciparum

Question 2

True or false: Most cases of amebiasis are asymptomatic

Answer 2

True

Question 3

What infection can result in liver abscess?

Answer 3

Entamoeba Histolytica amebiasis

Question 4

Blood in the urine is a key Sx of what infection?

Answer 4

Schistosomiasis

Question 5

The most common helminthic infection in U.S. & Western Europe is what?

Answer 5

Pinworms (enterobiasis)

Question 6

1) What is autoinfection a method of transmission of?
2) What is the m/c Sx of this condition?
3) What is one way to diagnose it?

Answer 6

1) Pinworms (enterobiasis)
2) Nocturnal perianal pruritis
3) Clear cellophane tape to perianal skin

Question 7

Cat feces can expose you to what?

Answer 7

Toxoplasmosis (Toxoplasma gondii)

Question 8

List the different categories of toxoplasmosis S/Sx

Answer 8

Acute infection, congenital, ocular, and CNS

Question 9

1) What would be seen on a CT/ MRI of toxoplasmosis?
2) What is the Tx for toxoplasmosis?

Answer 9

1) Multiple ring enhancing lesions
2) Pyrimethamine, sulfadiazine, and Leucovorin (need all three) 2-4 weeks

Question 10

1) What is the most common non-viral STI worldwide?
2) What are some typical Sx it’s associated with?

Answer 10

1) Trichomoniasis
2) Copious, frothy, yellow/green, discharge
-Dyspareunia
-Cervix with punctate hemorrhages

Question 11

Name a non-reportable STI

Answer 11

Trichomoniasis

Question 12

The original Gardasil vaccine covers what strains?

Answer 12

6, 11, 16, and 18

Question 13

Mechanisms of what kind of HPV transmission are not well understood?

Answer 13

Vertical

Question 14

Downey cells may be seen on the peripheral smears of what condition?

Answer 14

EBV (mono)

Question 15

What is the EBV/ mono triad?

Answer 15

1) Fever
2) Lymphadenopathy
3) Pharyngitis

Question 16

Fever is more protracted in what condition, CMV or EBV?

Answer 16

CMV

Question 17

Which type of herpes is more common?

Answer 17

Type 1 (“oral”)

Question 18

What is Herpetic whitlow

Answer 18

Herpes on the finger

Question 19

1) Hutchinson sign is a Sx of what?
2) What can this be a Sx of?

Answer 19

1) Ramsay Hunt Syndrome
2) Varicella-Zoster Virus

Question 20

Why can our vaccines against the flu become ineffective?

Answer 20

Antigenic drift

Question 21

Koplik spots are characteristic of what condition?

Answer 21

Measles/Rubeola

Question 22

What condition is characterized by Forchheimer spots and congenital defects?

Answer 22

Rubella/ German measles

Question 23

Rabies is very common in what species?

Answer 23

Bats

Question 24

List 2 hallmark Sx of rabies

Answer 24

1) Tingling/burning at bite site
2) Excessive salivation

Question 25

Negri bodies on autopsy indicate what?

Answer 25

Rabies

Question 26

How is rabies treated? (before Sx)

Answer 26

4 doses of vaccine IM on days 0,3,7,14 (and extra dose on day 28 if immunocompromised)

Question 27

How many days should you wait to test for COVID-19?

Answer 27

Day 5: 63% +

Question 28

Ground glass opacities on imaging indicate what?

Answer 28

COVID-19

Question 29

Most common cause of acquired epilepsy is what?

Answer 29

Cysticercosis

Question 30

Eosinophilia can be a sign of what?

Answer 30

Ascariasis (type of round worm)