A(n) ________ is a regional anesthesia produced by the injection of an anesthetic into the epidural space near targeted spinal nerve roots.
Fill in the blank(s) with the appropriate word(s).
epidural block
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What part of the retina lacks photoreceptors?
A. Optic disc B. Posterior retina C. Macula lutea D. Fovea centralis E. All of the choices are correct.
Which of the following muscles is innervated by the ulnar nerves?
A) flexor carpi radialis B) flexor carpi ulnaris C) palmaris longus D) extensor carpi radialis longus E) extensor carpi ulnaris
What controls ammonia secretion?
a. The skin b. The kidneys c. The liver d. The colon e. The spleen
Which of the following statements regarding complement is FALSE?
A. Certain complement proteins are always circulating in the blood in an inactive state. B. Activated complement can form a membrane attack complex, which forms pores in microbe membranes. C. Activated complement can stimulate cells to secrete inflammation-mediating chemicals. D. The complement pathway is always dependent upon activation of the first complement protein, C1. E. Some activated complement proteins activate other complement proteins.