Innate Immunity
The most numerous WBCs with multilobed nuclei and phagocytic ability.
Neutrophils
Antigens that elicit allergic reactions are called _______.
Allergens
The skin protein that protects from abrasions and water damage.
Keratin
The barrier that protects the brain from many pathogens.
Blood-brain barrier
Any substance that stimulates a specific immune response.
Antigen
The leakage of vascular fluid into tissues is called _______.
Edema
Which immunoglobulin is secreted in mucous, saliva, and colostrum?
IgA
Which microorganism is most well adapted to life on skin?
Staphylococcus epidermidis
The most common viral cause of meningitis.
Enteroviruses
Histamine release causes
flare Pruritis and Bronchoconstriction
Name the 4 classic signs of inflammation.
Redness, swelling, heat, pain
A fetus acquiring maternal IgG across the placenta is what type of immunity?
Natural passive immunity
This virus can cause congenital deafness and cardiac defects in infants.
Rubella
Neisseria meningitidis is spread by _______.
Close contact
Highly contagious infections in babies include _______ and _______.
impetigo & conjunctivitis
Fever begins with this sensation.
Chills
Superantigens activate T cells at how many times the normal rate?
100x
The organisms that cause ringworm use this as their growth substrate.
Keratin
Which fungus, often from bird droppings, causes meningitis in AIDS patients?
Cryptococcus neoformans
Preventing West Nile virus infection involves avoiding this vector.
Mosquito
Which enzyme found in tears, saliva, and sweat destroys bacterial cell walls?
Lysozyme
What type of immune response produces long-lasting memory cells?
Specific/adaptive immunity
Which eye disease is characterized by a pannus forming over the cornea?
Trachoma
Compare the paralysis seen in tetanus vs botulism.
Tetanus = rigid paralysis; Botulism = flaccid paralysis
Smallpox symptoms include fever, malaise, and rash. True or False?