The globin portion of hemoglobin in normal adult humans is composed of which two amino acid chains?
A. Two alphas, two betas (?2, ?2)
B. Three betas, three deltas (?3, ?3)
C. Two deltas, two betas (?2, ?2)
D. Two sigmas, two gammas (?2, ?2)
A
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Volume-controlled (VC) modes of mechanical ventilation include which of the following?
1. VC continuous mandatory ventilation 2. VC intermittent mandatory ventilation 3. Volume-assured, pressure-controlled 4. Bilevel positive airway pressure a. 2 and 4 only b. 1, 2, 3, and 4 c. 1 and 2 only d. 1, 3, and 4 only
The reddish portion of the lips is the vermillion zone
a. True b. False Indicate whether the statement is true or false
Which activated T cells increase phagocytosis and antibody formation?
A. cytotoxic B. helper C. memory D. NK cells