A patient's blood analyses indicated an increase in the number of eosinophils. Which of the following is the most likely cause?
A. Viral infection
B. Parasitic worm infection
C. Tumor cells
D. Bacterial infection
Answer: B
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What role does Ca2+play in synaptic transmission?
A) Ca2+ is released into the synapse, transmitting a signal to the postsynaptic cell. B) Ca2+ causes the release of vesicles from the readily releasable pool. C) Ca2+causes vesicles to move from the storage pool to docking proteins. D) Both B and C
Normal expiration is brought on by
a. contraction of the external intercostals b. contraction of the internal intercostals c. contraction of the diaphragm d. elastic recoil of inspiratory muscles e. elastic recoil of expiratory muscles
Which of the following is actively transported out of the loop of Henle?
A. Chloride ions B. Potassium ions C. Sodium ions D. Urea
If you feel a bone about 5 or 6 inches long that is "S” shaped, one end is fairly flat, and the other end is relatively round, it is most likely the ________
A) humerus B) ulna C) radius D) clavicle