Quiz About Bacteria

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

• Envelope , capsid

• Envelope , genome

• Capsid , envelope

• Capsomeres , RNA

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

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

• True

• False

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

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

• Golgi

• Glycogen

• Endoplasmic reticulum

• Lysosomes

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

N cestoidea the region of growth is

• Proglottids(segments)

• Scolex(head)

• Neck

• Sucker

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

• Eclipse

• Encapsidation

• Uncoating

• Adsorption

 the multiplying intracellular stage of phage particle :  

• Mature phage

• Vegetative phage

• Prophage

• Non of the above

Genotypic variation occurs in a response to enviromental conditions

• True

• False

Arachnida includes all the following except 

• Sarcoptes scabiei

• Scorpion

• Lice

• Hard tick

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

All the following are types of hostsExcept 

• Reservoir

• Vector

• Intermediate

• Accidental

Cestodes and trematodes are all the following except 

• Flat helminthes

• Don't have a body cavity

• Hermaphrodites

• Segmented

The objective of the bacteria is: 

• To multiply

• To cause diseases

• Both of them are correct

• Non of them are correct

Transovarially trasmission occur in 

• Lice

• Fleas

• Tick

• Mite

Mature proglottids are segments which are filled with eggs

• True

• False

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

• Cell wall

• Capsule

• Ribosome

• Pili

H2 receptor blockers are used in the treatment of : 

• Urticaria

• Peptic ulcer

• Allergic rhinitis

• All of the above

All the following phases occur in viral and bacteriophage replication except 

• Assembly

• Rlease , lysis and liberation

• Uncoating

• Eclipse

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

• Vasodilation

• Decrease capillary permeability

• Decrease blood pressure

• Intestinal contraction

Therapeutic use of zileuton :

• Bronchial asthma

• Urticaria

• Allergic rhinitis

• Non of the above

H1 receptors present in : 

• Gastric mucosa

• Cardiac muscle

• Smooth muscles

• All of the above

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

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

Concerning chlorpheniramine all are false (except): 

• Cause motion sickness

• Doesn't cross BBB

• Cause bradycardia

• Cause dry mouth

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