Microbiology Chapter 16

Several inherited deficiencies in the complement system occur in humans. Which of the following would be the MOST severe?

Deficiency of C3

All the following are components of the inflammatory process except

Diapedesis

After ingesting a pathogen, lysosomal enzymes produce all the following except

Complement

Which of the following is normally found in serum?

Complement

The anti-microbial affects of AMPs include all the following except

Inhibition of phagocytosis

Each of the following is an effect of complement activation except

Interference with viral replication

Innate immunity

Is non-specific and present at birth

The alternative pathway for complement activation is initiated by

Lipid Dash carbohydrate complex is and C3

Activation of C5-C9 results in

Lysis of microbial cells

Phagocytes utilize all the following to optimize interaction with micro organisms except

Lysozyme

All of the following increase blood vessel permeability except

Lysozymes

Which of the following exhibits the highest phagocytic activity

Macro phages

The lectin pathway for complement action is initiated by

Mannose on the surface of microbes

Macrophages arise from which of the following?

Monocytes

Which non-specific defense mechanism is Miss matched with its associated body structure or body fluid?

Mucocilary escalator - intestines

A child falls and suffers a deep cut on her leg. The cut went through her skin and she is bleeding. Which of the following defense mechanisms will participate in eliminating contaminating microbes?

Phagocytosis in the inflammatory response

Neutrophils with defective lysosomes are unable to

Produce toxic oxygen products

All the following are effects of histamine except

Production of antibodies

Innate immunity include all the following except

Production of antibody

All the following are iron-binding proteins found in humans except

Siderophorin

The differential cell count is used to determine each of the following except

The number of red blood cells

Which of the following statements is true

There are at least 30 complements protein

All the following are part of the mechanism of action of alpha and beta interferons except

They are effective for long periods

All the following are true regarding NK cells except

They destroy infected body cells by phagocytosis

Which of the following statements about fixed macrophages is false

They develop from neutrophils

Normal microbiota provide protection from infection in each of the following ways except

They produce lysozyme

The function of the ciliary escalator is to

Trapped inhaled dust and micro organisms in mucous and propel it away from the lower respiratory tract

All the following occurred during inflammation. What is the first step?

Vasodilation

TLRs attached to all the following except

AMP's

All the following pertain to fever except that it

Accelerate microbial growth by increasing iron absorption from the digestive tract

Activation of C3a result in

Acute inflammation

Margination refers to

Adherence of phagocytes to the lining of blood vessels

The classical pathway for complement activation is initiated by

Antigen - antibody reactions

A chill is a sign that

Body temperature is rising

The complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway beginning with the activation of

C3

Which of the following statements about the classical pathway of complement activation is false

C3 is not involved in the classical pathway

Lysozyme and the anabiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial

Cell wall

Which of the following is Miss matched

Chemo taxis - chemical degradation inside a phagolysosome

Which of the following is involved in resistance to parasitic helminths?

Eosinophils

All of the following are effects of histamine except

Fever

Each of the following provides protection from phagocytic digestion except

Formation of phagolysosomes

Which of the following statements is true

Gamma interferon causes bactericidal activity by microphages

The swelling associated with inflammation decreases when the fluid

Goes into limp capillaries

All the following protect the skin and mucous membranes from infection except

HCL

Which of the following is an effect of opsonization

Increased adherence of phagocytes to micro organisms