CPRS 75 76: Lower Respiratory Tract Infections Flashcards

1
Q

What is the bacteria causing Pertussis/ Whooping Cough

A

Bordetella Pertussis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The type of bacteria that Bordetella Pertussis belongs to is…

A

Gram Negative Coccobacillus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What route is Bordetella Pertussis trasmitted

A

Respiratory Droplets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How is Bordetella Pertussis attached

A

FHA

Fimbriae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What distinctive symptoms does patients with Pertussis has?

A

Short expiratory bursts followed by inspiratory gasp/ whoop

Cyanosis that terminates with vomiting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How to diagnose Pertussis/ Whooping Cough?

A

Nasopharyngeal Swab

Whitish gray appearance on Amies Medium with Charcoal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What antibiotic can be used to treat Pertussis

A

Macrolides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How to prevent Pertussis

A

vaccination

DTaP-IPV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How to diagnose Pneumonia

A

Blood Gas
Urine Antigen Detection
X-Ray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

In Sputum examination of Pneumonia, what does rusty sputum indicate

A

Streptococcus pneumoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In Sputum examination of Pneumonia, what does currant jelly sputum indicate

A

Klebsiella pneumonia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A good sputum sample should have many _____

A

White blood cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How to obtain specimens from the lower respiratory tract

A

Bronchoscope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the four most common bacterial causes of pneumonia? Name in order please

A

Streptococcus pneumoniae
Haemophilus influenzae
Staphylococcus aureus
Klebsiella pneumoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of haemolysis is streptococcus pneumoniae exhibiting?

A

Alpha haemolytic on blood agar

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What agar should be used to culture Klebsiella pneumoniae

A

MacConkey Agar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What bacteria can urine antigen test detect

A

Streptococcus pneumoniae

Legionella pneumophila Type I

18
Q

What is ‘walking pneumonia’?

A

Patients that do not appear ill clinically

No significant pathogens on the sputum

19
Q

What are bacteria that causes walking pneumonia?

A
Mycoplasma pneumoniae
Legionella pneumophila (appears white in charcoal-based medium)
20
Q

What is meant if there is aspiration pneumonia

A

Loss of Gag reflex

Loss of swallowing reflex

21
Q

What are the causes of aspiration pneumonia

A

Tracheo-oesophageal fistula
Bacterial Pneumonia
Bronchial obstruction

22
Q

Mycobacteria is Gram _____ and it is not stained by _______ stain. It is stained by _____________ stain.

A

Gram positive
Not stained by Gram Stain
Stained by Ziehl-Neelsen Stain

23
Q

What is special about the cell wall of mycobacteria, and what is its significance

A

Has Very high lipid content

Very difficult for gram stain to enter the bacteria, but higher resistance to drying, acids and alkalis

24
Q

name the bacteria that causes leprosy

A

Mycobacterium leprae

25
What medium shall we use to culture Mycobacterium tuberculosis And what will it form?
LJ Medium | Forming bread cumbs with colonies
26
What are the five drugs for the first line treatment for Tuberculosis
``` PRIES Pyrazinamide Rifampicin Isoniazid Ethambutol Streptomycin ```
27
What is the antibiotic for the second line of treatment of Tuberculosis
Fluoroquinolones
28
Multi-drug resistant TB is resistant to at least _______ and _________
Rifampicin | Isoniazid
29
How does pneumocystis jirovecii spread?
Inhalation
30
What does pneumocystis jirovecii cause
Pneumocystosis
31
What are the clinical features of pneumocystosis
Pulmonary infection | Bilateral diffuse infiltrates in X-Ray
32
What is the treatment for pneumocystosis
Cotrimoxazole
33
How to diagnose penumocystosis
Bronchoalveolar lavage (most preferred) Induced sputum- Inhale nebulized saline Staining: Giemsa, Methenamine silver
34
What type of virus does Influenza Virus belong to?
Enveloped RNA Virus
35
What components are on the envelope of Influenza Virus? And what are their functions?
Haemagglutinin- Host cell attachment | Neuraminidase- Release and spread of virus
36
Where is influenza virus multiplied
Respiratory Epithelium
37
What is the transmission pathway of influenza virus
Large droplets
38
Where can all H and N types of influenza virus be found? (except H18N11)
Waterfowls
39
How to diagnose influenza
Antigen detection | PCR
40
How to prevent influenza
Vaccination
41
What are the symptoms of influenza
``` Dry cough Nasal discharge Headache Fever Myalgia (Muscle Pain) Malaise (Sense of discomfort) ```
42
How to treat influenza
Neuraminidase inhibitors: Zanamivir, Oseltamivir | Avoiding Aspirin and NSAIDs in children