The x-ray photon energy required to initiate pair production is

What diagnostic procedure or technique is most sensitive for the identification of pleural effu-sion?

a. Chest radiography b. Computed tomography c. Pleurodesis d. Thoracoscopy

Olfaction is mediated by

A) mechanoreceptors. B) thermoreceptors. C) proprioceptors. D) chemoreceptors.