micro exam 5

A blood transfusion reaction is the most familiar example of

Type II (cytotoxic) reaction

localized anaphylaxis is usually triggered by antigens that are

ingested and inhaled

which of the following may result from systemic anaphylaxis

shock

the chemical mediators of anaphylaxis are found in

basophils and mast cells

An antigen that provokes a hypersensitivity reaction is also known as

an allergen

Hemolytic disease of the newborn can result from

Rh- mother and RH+ FETUS

blank—— occurs when an antigen binds with two lgE antibodies on the surface of a mast cell

release of chemical mediators

graft-versus host disease will most likely be a complication of

a bone marrow transplant

which of the following types of transplants has the least likelihood of rejection

autograft

systemic anaphylaxis is usually triggered by antigens that ar e

injected

all of these are chemical mediators of anaphylaxis except

haptens

which of these is a secondary immunodeficiency

AIDS

which antibodies will be in the serum of a person with blood type B

anti-a

A hypersensitivity reaction occurs

on a second or subsequent exposure to an antigen

Hypersensitivity is due to

an altered immune response beyond what is considered normal

Which of the following is true about the normal microbiota of the nervous system?

There is no normal microbiota of the nervous system.

Which of these is the cause of Toxic Shock Syndrome (TSS)?

Staphylococcus aureus

Which of the following diseases is caused by a herpes virus?

Cold sores

Which of the following is an antimicrobial characteristic of human skin?

High salt concentration

Please select all examples of arboviral encephalitis.

Zika

Eastern Equine Encephalitis

West Nile Virus

Swimmer’s ear and dermatitis associated with pools and hot tubs are diseases caused by

Pseudomonas aeruginosa

The uncontrolled multiplication of bacteria in the blood is termed

Septicemia

Which of the following diseases is transmitted by a tick bite?

Lyme disease

Which of these skin infections can be caused by either Staphylococcus aureus, Streptococcus pyogenes, or both?

impetigo

Polio is a viral infection.

True

The mucociliary escalator mechanism helps prevent pathogens from entering the

lower respiratory tract

The widespread vaccination of dogs and cats has led to a low incidence of this disease in the United States:

rabies

Which is the most common portal of entry for anthrax?

cutaneuos

The causative agents of botulism and tetanus are both members of genus

clostridium

Both leprosy and tuberculosis are caused by members of the genus

mycobacterium

Which of the following is NOT a normal microbe of the skin or scalp?

mycobacterium

_____________is a heart infection that develops rapidly, damages valves, and is caused by Staphylococcus aureus.

Question 17Answer

acute bacterial endocarditis

Many people harbor __________ as normal microbiota of the throat.

Streptococcus pneumoniae

Which of these types of sepsis was a leading cause of death in childbearing women in the 19th century?

purpureal sepsis

Gas gangrene is caused by

Clostriduim perfringens

Which of the following is an example of the blood’s normal microbiota?

none

Neurotoxin of this pathogen results in a flaccid paralysis:

Question

Clostridium botulinum

Acne is a type of

folliculitis

Which of these pathogens causes diphtheria?

corynebacerium

An infected lymph node is called a

buboe

Transmissible Spongiform Encephalopathies (TSEs) are caused by

prions

malaria is transmitted through direct contact

Which pathogen causes cat-scratch disease?

Bartonella henselae

Necrotizing fasciitis, or “flesh-eating bacterial infection” is caused by

 

Streptococcus pyogenes

Atypical or “walking” pneumonia is also known as

 

Mycoplasma pneumonia