Your patient has been admitted for an asthma attack. In what type of white blood cell would you expect to see an elevated count?
A) monocytes
B) eosinophils
C) basophils
D) lymphocytes
E) neutrophils
Ans: B) eosinophils
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If a person wearing a head, neck, and upper chest shield is subjected to a high dose of radiation, one of the resultant health problems might be damage to bone marrow in exposed body regions. If the bone marrow damage occurred in an adult, which cell types might initially no longer be produced in sufficient numbers for the proper immune response to be sustained?
A) B cells B) NK cells C) all lymphocytes D) T cells E) B cells and NK cells
Which sequence correctly illustrates a negative feedback system?
a. input ? negative effect ? output ? change b. external stimuli ? effector ? internal change ? integration c. sensor ? integrator ? effector ? compensatory response d. integrator ? effector ? compensatory response ? sensor e. negative input ? sensor ? integrator ? positive output
The outward projections from the central gray matter of the spinal cord are called
A) wings. B) horns. C) pyramids. D) fibers. E) tracts.
Which of the following would increase the maximum rate of facilitated diffusion?
A. increase the concentration gradient of the transported molecule to the saturation point B. decrease the concentration gradient of the transported molecule C. increase the concentration of the competitive molecules D. increased ATP synthesis E. None of these choices is correct.