Which of the following is false about the 1/2 turn rule?

Switch sequences or switch regions are found at the beginning of each constant region gene segment (heavy chain) except for:

Which of the following are effector functions of NK cells?

_______ controls Ig gene rearrangement in a matter such that only one heavy chain and only one light chain are rearranged and expressed on a B-cell.

The majority of amino acid variability between 2 different IgM molecules is in the:

The primary type of neutrophil granule is also called ___________, and the secondary type of neutrophil granule is also called ___________.

Ipratropium bromide can be delivered by which of the following methods?1. Tablet2. Nebulizer3. Injection4. MDI5. Nasal spray

You are working in the emergency department when a 77-year-old man with viral hepatitis comes in complaining of nausea. His medications include Combivent®, Advair®, and theophylline. Which drug is likely the cause of his nausea?

Results of a patient’s pulmonary function test (PFT) show that the peak flow rate increased the most when she inhaled an aerosolized sympathomimetic agent and an aerosolized parasympatholytic agent. You would recommend that she be given:

Relaxation of smooth airway muscle in the presence of reversible airflow obstruction is a general indication for the use of: