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Microbiologyh > Chapter 23 - Microbial Diseases Of Cardiovascular System > Flashcards

Chapter 23 - Microbial Diseases Of Cardiovascular System Flashcards

1
Q

Septicaemia is caused by

A

S.progenies and staph, pseudomonas

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2
Q

Septicaemia symptoms

A

Fever, chills, laboured breathing, anxiety, lymphangitis

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3
Q

Lymphangitis

A

Inflamed lymph vessel through arm or leg

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4
Q

Septicaemia risks, causes

A

Can become sepsis or septic shock
-from wound, UTI or e-coli

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5
Q

Puerperal sepsis

A

Childbirth fever from s.phosgene’s, transmitted to mother via physicians, nurse or attending
-progresses from uterine tissues to abdominal region
-used to be a common cause of death

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6
Q

Rheumatic fever

A

Inflammation of heart valve
-mitral valve
-forms vegetation, destroying the hart valve

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7
Q

Rheumatic fever risks and symptoms

A

-equal to strep throat (GAS)
-period of arthritis, fever, chest pain

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8
Q

Anthrax is caused by

A

Bacillus anthracis

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9
Q

Bacillus anthracis

A

-rod
-facilitated aerobic or obligate aerobe
-produce endospore with no lollypop shape
-found in soil and used as bio weapon

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10
Q

Anthrax was discovered by

A

Robert Koch
-the disease of animals, in GI form
-by burning carcasses

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11
Q

GI form of anthrax

A

Undercooked food, nausea, hemorrhages in GI—> septicemia
50% death

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12
Q

Cutaneous form of anthrax

A

Enter through minor cuts
-cause crust lesions called eschar
-septicemia 20% death

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13
Q

Pulmonary form of anthrax

A

Inhaled endoscope germination, chest pain, breathing difficulty
-septicemia 100% death
-survivors are disabled

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14
Q

Treatment and vaccine for anthrax

A

-ciprofloaxein, penicillin, erythromycin
-vaccine: six doses in 18 months

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15
Q

Anthrax produces three exotoxins

A
  1. Protective toxin—> binds, entry
  2. Lethal toxin—> phagocytic death
  3. Edema toxin—> swelling
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16
Q

Gangrene is caused by

A

Clostridium perifringes
-gas gangrene

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17
Q

Gangrene

A

Necrotic tissue from cut off blood supply

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18
Q

Gangrene susceptible and travel

A

Diabetic, abortions or gunshot wounds

Endospore, germination, deep cleaning can reduce spores

19
Q

Symptoms and toxin of gangrene

A

Symptoms: abrupt pain, swelling, ooze blood tainted fluid from ruptured vessels, blackening of tissue

Toxin: X toxin, attacks blood vessels, RBC and WBC, lecithin of cell membrane

20
Q

Why does swelling take place due to gangrene

A

Swelling from gas production H+ and CO2
-snap, crackle, pop noises and foul orders

21
Q

Spotted fever is caused by

A

Ricksetti ricksetti

22
Q

Spotted fever
-risk, differs form measles, symptoms

A

-makes its way to heart and destroys valves
-differs from measles as there is a rash on white parts of our bodies (soles of feet, hands)
-cause fever, rash (on white parts)

23
Q

HHSV-4 or Epstein BARR virus causes

A

BURKITTS LYMPHOMA

24
Q

BURKITTS lymphoma

A

-tug a war on lymphocytes
-fast growing tumour on jaw

25
Q

Latency of BURKITTS

A

Not latent in herpes virus, latent in B lymphocytes

26
Q

BURKITTS productive infection vs nonproductive

A

P- not latent

N- latent

27
Q

Infectious mononucleosis

A

Spread through saliva
-B lymphocytes are non productive

28
Q

Symptoms of infectious mononucleosis

A

-starts with fever sore throat, pus, EB in saliva for 18 months, 1.8 million college students fatigue

29
Q

Nasopharyngeal carcinoma

A

Cancer of nose and throat
-b lymphocytes

30
Q

Chronic fatigue syndrome

A

Yuppie flu
-extreme muscle fatigue
-memory loss
-swollen lymph nodes
-rare death in ruptured spleen

31
Q

HHSV-5 or CMV (cytomegalovirus)

A

Retina degeneration, chronic in HIV pt
-sexually transmitted through blood and saliva

32
Q

T cells in CMV

A

Infected cells swell and have inclusions
-latent in T cells
-causes Owl’s eyes

33
Q

CMV when transmitted across placenta

A

Causes mental retardatiion

34
Q

Treatment for CMV

A

Ganciclovir

35
Q

Malaria is caused by

A

Protozoa
-plasmodium vivax

36
Q

Two hosts of malaria

A

Definitive - mosquitos
Intermediate- human

37
Q

Malaria causes

A

Fever, vomiting, severe headaches, pain in muscles

38
Q

Fever phase of malaria
-paroxyme cycle

A

Cold phase, hot phase, wet phase (drenched)

39
Q

Life cycle of malaria: mosquito bite—>

A

Sporozoite form—> though CV system to liver—> releases mature asexual merozoities in blood

40
Q

Life cycle of malaria: merozoites in blood

A

Attack RBC—> form ring stage, which will produce more merozoites—>cycle continues

41
Q

Life cycle of malaria: cycle continues

A

RBC dies and releases merozoites —> merozoites can become m/F gametes which cannot mature (wont spread at this point)

42
Q

Life cycle of malaria: m/F gametes created

A

Mosque bites—> zygote formation —> new sporozoites

43
Q

Malaria symptoms, smear, treatment

A

-enlarged spleen and liver, severe anemia
-need blood smear
-quinine drug

Microbiologyh (18 decks)

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