The order in which HIV breaches barriers and affects immunity is
A) ingestion, entering the circulation, entering helper T cells.
B) crossing the mucosal barrier, then entering macrophages, then B cells, then natural
killer cells.
C) inhalation, entering the circulation, entering helper T cells.
D) crossing the mucosal barrier, then entering macrophages, then entering helper T
cells, then cytotoxic T cells.
D
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The nurse is preparing a staff education program about pediatric asthma. What concepts should the nurse include when discussing the asthma severity classification system? (Select all that apply.)
a. Children with mild persistent asthma have nighttime signs or symptoms less than two times a month. b. Children with moderate persistent asthma use a short-acting ?-agonist more than two times per week. c. Children with severe persistent asthma have a peak expiratory flow (PEF) of 60% to 80% of predicted value. d. Children with mild persistent asthma have signs or symptoms more than two times per week. e. Children with moderate persistent asthma have some limitations with normal activity. f. Children with severe persistent asthma have frequent nighttime signs or symptoms.
The tendency of the lungs to return to their initial size after stretching is ________.
A. surface tension B. elasticity C. compliance D. None of the choices are correct.
True or False? The ability to detect simultaneous stimulation at two points on the skin is called two-point discrimination.
Answer the following statement true (T) or false (F)
In polypeptides, what type of bond holds amino acids together?
a. hemoglobin b. protein bonds c. peptide bonds d. hydrogen bonds e. enzymes