Quiz About Bacteria

1. Soft tick can be causative agents of diseases more than hard one

True

False

2. In naked viruse VAP is carried by ..... But in enveloped one it is carried by .....

Envelope , capsid

Envelope , genome

Capsid , envelope

Capsomeres , RNA

3. The major surface Ag in grame +ve cell is ..... While in grame -ve it is .......

Teichoic acid , plasmid

Polysaccharides , LPS

Teichoic acid , peptidoglycan

Teichoic acid , O Ag

4. Moisture isn't necessary for growth in the most of the bacteria

True

False

5. All the following are the conditions that the recipient cells need to be competent for transformation except

Log phase

Pores in cell wall

Specific DNA binding protein receptors

Have more than one plasmid

6. All the following don't exist in the cytoplasm of bacterial cell except

Golgi

Glycogen

Endoplasmic reticulum

Lysosomes

7. The false statement is :

Autacoides normally don't circulate in the blood

Adrenaline is the antagonist of histamine

Pathogens cause release of histamine

Corticosteroids enhance the effect of Ag Ab reaction

8. N cestoidea the region of growth is

Proglottids(segments)

Scolex(head)

Neck

Sucker

9. Which of the following phases is the opposite phase of assembly in viral replication ?

Eclipse

Encapsidation

Uncoating

Adsorption

10. the multiplying intracellular stage of phage particle :

Mature phage

Vegetative phage

Prophage

Non of the above

11. Genotypic variation occurs in a response to enviromental conditions

True

False

12. Arachnida includes all the following except

Sarcoptes scabiei

Scorpion

Lice

Hard tick

13. Cyclopropagtive transmission differs from cyclodevelopmental one that in the second the organisms

Don't multipicate

Don't undergo development

Don't undergo the both

Don't live

14. All the following are types of hostsExcept

Reservoir

Vector

Intermediate

Accidental

15. Cestodes and trematodes are all the following except

Flat helminthes

Don't have a body cavity

Hermaphrodites

Segmented

16. Transovarially trasmission occur in

Lice

Fleas

Tick

Mite

17. The objective of the bacteria is:

To multiply

To cause diseases

Both of them are correct

Non of them are correct

18. Mature proglottids are segments which are filled with eggs

True

False

19. H2 receptor blockers are used in the treatment of :

Urticaria

Peptic ulcer

Allergic rhinitis

All of the above

20. One of the bacterial cell structure which is involved in the virulence of the bacteria is:

Cell wall

Capsule

Ribosome

Pili

21. All the following phases occur in viral and bacteriophage replication except

Assembly

Rlease , lysis and liberation

Uncoating

Eclipse

22. All of the following are actions of H1 receptors (except):

Vasodilation

Decrease capillary permeability

Decrease blood pressure

Intestinal contraction

23. Therapeutic use of zileuton :

Bronchial asthma

Urticaria

Allergic rhinitis

Non of the above

24. H1 receptors present in :

Gastric mucosa

Cardiac muscle

Smooth muscles

All of the above

25. All of the following are true concerning PGs (except) :

Vasodilator

Vasoconstrictor

Increase mucus and acid secretion in the stomach

Increase contraction of uterine smooth muscle

26. The true statement is :

Dinoprostone can be used in treatment of postpartum hemorrhage

PGs have antipyretic action

Corticosteroids increase the effect of phospholipase enzyme

Celecoxib has no GIT side effects or renal problems

27. Concerning chlorpheniramine all are false (except):

Cause motion sickness

Doesn't cross BBB

Cause bradycardia

Cause dry mouth