Innate Immunity

Memory B cells are a part of the body’s:

• 2nd line of defense

• 3rd line of defense

• 1st line of defense

• All of these

The pyrogenic response is usually part of the body’s:

• 2nd line of defense

• 3rd line of defense

• 1st line of defense

• All of these

Humoral & Cellular immunity are part of:

• Adaptive immunity

• Innate immunity

• Both Innate & Adaptive

• The 3rd line of defense

Which of the following is NOT part of adaptive immunity:

• Histamine

• Antibodies

• T cells

• All of these are part of adaptive immunity

Which of the following is FALSE about mucous membranes?

• Contain glycoproteins

• Secretions have neutral pH

• Found in the ear, eye, genitourinary, gastrointestinal, and respiratory tract

• Are found near portals of entry and exit

Which of the following are NOT physical mechanisms used by the body to remove pathogens:

• Urination

• Ciliary escalator

• Lysozyme

• Peristalsis

Lactobacillus species in the female reproductive tract release lactosporin, an inhibitor of pathogenic E. coli colonization. Lactosporin is an:

• Opportunist

• Bacterioicin

• Antibiotic

• Probiotic

Which of the following are nonnucleated cells that do not participate in immune responses, but are targets for siderophores?

• Leukocytes

• Platelets

• Lymphocytes

• Erythrocytes

Sarah’s differential count is 12,650 WBCs/mm3. The normal range is 5,000 - 10,000 WBCs/mm3. What may this number indicate:

• Bacterial infections or side effects of medications

• Viral infections, pneumonia, or cancers

Ben's differential count is 630 WBCs/mm3. The normal range is 5,000 - 10,000 WBCs/mm3. What may this number indicate:

• Bacterial infections or side effects of medications

• Viral infections, pneumonia, or cancers