Lactate is an example of an organic acid that has been ionized.
Answer the following statement true (T) or false (F)
True
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A pregnant patient seeks your counsel pertaining to anesthesia during delivery. She is particularly interested in a caudal epidural block. You explain that this procedure:
A) eliminates all pain associated with labor and delivery. B) just minimizes the pain sensations that arise from the lower part of the birth canal (cervix and vagina) and the perineum. C) just minimizes the pain sensations that arise from the body and fundus of the uterus. D) just minimizes the pain associated with fibers traveling in the pudendal nerve. E) is typically not used for delivery, but rather for an episiotomy.
Nerve fibers from all regions of the retina converge on the ________ and exit the eye by way of the optic nerve.
A. fovea centralis B. ora serrata C. optic disc D. macula lutea E. lens
Identify the types of cells in the pancreatic islets and the hormones produced by each
A) Alpha cells produce insulin, beta cells produce glucagon, delta cells produce a peptide hormone like GH-IH, and pancreatic polypeptide cells produce pancreatic polypeptide hormone. B) Alpha cells produce a peptide hormone like GH-IH, beta cells produce glucagon, delta cells produce insulin, and pancreatic polypeptide cells produce pancreatic polypeptide hormone. C) Alpha cells produce insulin, beta cells produce a peptide hormone like GH-IH, delta cells produce glucagon, and pancreatic polypeptide cells produce pancreatic polypeptide hormone. D) Alpha cells produce glucagon, beta cells produce insulin, delta cells produce a peptide hormone like GH-IH, and pancreatic polypeptide cells produce pancreatic polypeptide hormone. E) Alpha cells produce glucagon, beta cells produce a peptide hormone like GH-IH, delta cells produce insulin, and pancreatic polypeptide cells produce pancreatic polypeptide hormone.
For the repolarization phase of an SA nodal cell action potential,
A. calcium channels open and sodium channels close. B. sodium and potassium channels open. C. calcium and potassium channels close. D. sodium and chloride channels open. E. calcium channels close and potassium channels open.