Parasite: part 4 Flashcards Preview

B2: microbiology > Parasite: part 4 > Flashcards

Flashcards in Parasite: part 4 Deck (16)
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1

Symptoms from giardia lamblia

Most people infected with Balantidium coli => no symptoms. ACUTE SYMPTOMS Diarrhoea Greasy stools that tend to float Stomach or abdominal cramps Upset stomach or nausea/vomiting Dehydration (loss of fluids)

2

Treatment and diagnosis of giardia lamblia

Stool exam (cysts or trophozoites) Treatment: metronidazole/tinidazole

3

How do you catch trichomonas compared to other flagellate giardia lamblia

Trichomonas= Exclusively Transmitted sexually giardia lamblia= water- borne

4

How common Is trichomoniasis

It is estimated to be the most common, curable, non-viral sexually transmitted infection in the UK, with nearly 6000 new cases per year.

5

Where the infection of trichomoniasis

In women the organism is found in the vagina, urethra and paraurethral glands; in men infection is usually of the urethra.

6

Symptoms of trichomoniasis infection

F: 10-50% none. Vaginal discharge, vulval itching, dysuria, or offensive odour (non-specific) Male: 15 to 50% of men are asymptomatic. discharge and/or dysuria.

7

Complication of trichomoniasis infection

Detrimental outcome on pregnancy and is associated with preterm delivery and low birth weight.

8

Implication of trichomoniasis for HIV+

There is growing evidence that trichomonas infection may enhance HIV transmission and there may be an increased risk of TV infection in those that are HIV positive.

9

Diagnosis and treatment of trichomoniasis

Diagnosis Microscopy: Detection of motile trichomonads in swab/urine- Trichomonas Rapid Test Treatment metronidazole

10

Types of metazoa

Roundworms, flatworms, flukes

11

What type of organisms are metazoa

Metazoa= helminths Complex muticellular parasites

12

What are the lifecycles of metazoan like

Cycles may involve insect vectors and intermediate hosts

13

T/f few metazoan infections are zoonoses

T For most, humans are the definitive host - few are zoonoses (acquired from animals)

14

T/f you can consume a worm and have a helminth infection

F: Adult worms cannot multiply in man - number of adults related to infection (eggs cause the problem) (lay eggs/microfilaria, larvae)

15

Highest burden of helminth infection what age

0-10

16

What is the commonest helminth infection worldwide

Ascariasis Trichuriasis Hookworm infection Schistosomiasis