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The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is ________.

What type of molecules attract phagocytes to foreign substances?

Which of the following is not a major organ that can be a target of immune complex deposition?

In vivo testing is useful for diagnosing ________.

Techniques that make use of probes that hybridize to specific sequences of a pathogen’s genome include ________.  (both tests must apply)

 A 16-year-old male with cystic fibrosis is admitted to the inpatient pulmonary unit. He has been hospitalized several times in the past year with respiratory infections, including Pseudomonas and H. influenza. Because of his thick mucous, airway inflammation, and immobile mucosal cilia, microorganisms are unable to be effectively cleared from his lungs. He is supposed to perform vigorous airway mucous clearance measures at home with a vibrating vest and IPV (intrapulmonary percussive ventilation) device. However, the patient states that his treatment takes hours and he does not always feel sick. He estimates his compliance with home airway clearance regimen to be less than 50%. The patient asks the nurse to explain to him why he keeps getting sick from the same bacteria. Which of the following statements is the most appropriate response?   

Lymph in the lymphatic system is moved through the network of capillaries and vessels by blood pressure,

Antibodies directed to alloantigen from one organism often cross-react with an alloantigen from another organism.

The progeny cells of a B-cell clone are called ________. (i.e. what do they become when activated)

Animals are required for the cultivation of ________.