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Quiz 2 18 MCQs PSWD Micro 2023

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

Which is not present among gram positive bacteria?

a)

Lipopolysaccharide

b)

Exotoxin

c)

Sporulation

d)

Peptidoglycan

2.

Which toxin is present only among gram negative bacteria?

a)

Endotoxin

b)

Exotoxin

c)

Anti-toxin

d)

Neurotoxin

3.

This renders some bacteria to withstand or survive drying, heat and chemicals.

a)

Spores

b)

Plasmids

c)

Flagellate

d)

Cell wall

4.

Bacteria in chains

a)

Streptococci

b)

Staphylococci

c)

Gonococci

d)

Mycoplasma

5.

A special wax very of mycobacterium tuberculosis that renders it very resistant to detergents and strong acids.

a)

Mycolic acid

b)

Stearic acid

c)

Lauric acid

d)

Hydroxybutyric acid

6.

Which hypersensitivity reaction involves IgE and histamine, prostaglandin and thromboxanes? example : Bronchial Asthma

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

7.

Which hypersensitivity reaction involves IgE and histamine, prostaglandin and thromboxanes? example : Bronchial Asthma

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

8.

Type of hypersensitivity that involves transfusion or Rh reactions, autoimmune hemolytic anemia, rheumatic fever, penicillin –induced hemolysis and Grave’s disease?

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

9.

Acute Post-streptococcal Glomerulonephritis is an example of this hypersensitivity reaction.

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

10.

Tuberculosis causes granuloma formation which is a characteristic in which hypersensitivity reaction?

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

11.

Activated B cells are called

a)

Plasma Cells

b)

Macrophages

c)

Dentritic Cells

d)

Cytotoxic T- Cells

12.

Most pathogenic bacteria grow optimally at these temperatures?

a)

35-37 C

b)

33-34 C

c)

38-39 C

d)

40-41 C

13.

This renders some bacteria to withstand or survive drying, heat and chemicals.

a)

Spores

b)

Plasmids

c)

Flagellate

d)

Cell wall

14.

This cell structure contains adhesins that is responsible for attachment properties

a)

Pili

b)

Cilia

c)

Flagella

d)

Fiber

15.

which statement is NOT TRUE regarding SLE?

a)

An example of Type 1 hypersensitivity reaction

b)

4 out of 11 criteria is needed

c)

Common among adolescent girls

d)

Manifest as malar rash

16.

Which is not present among gram positive bacteria?

a)

Lipopolysaccharide

b)

Exotoxin

c)

Sporulation

d)

Peptidoglycan

17.

Among the pneumonia -causing bacteria; which does not have virulence- promoting capsule?

a)

Mycoplasma pneumoniae

b)

Streptococcus pneumoniae

c)

Klebsiella pneumoniae

d)

Haemophilus influenzae type b

18.

Which is not a killed viral vaccine?

a)

Varicella

b)

Influenzae

c)

Rabies

d)

Poliomyelitis (Salk)

19.

What are the two arms of the immune system?

a)

Active and Passive

b)

Innate and Adaptive

c)

Anatomic and Physical

d)

Complement and Phagocytes

20.

What is involved in cell-mediated immunity?

a)

B cell

b)

T cell

c)

Antibodies

d)

Complement