Bacteria infecting the mucous membranes in the air cells of the mastoid process most likely spread from the
A. middle ear.
B. frontal sinus.
C. maxillary sinus.
D. meninges.
Answer: A
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Persons suffering from anterograde amnesia continually have short-lived, rapidly changing perceptions of events that they have only imagined, but then cannot recall them later as a consequence of an inability to translate these "false memories" from short-term to long-term memory.
Answer the following statement true (T) or false (F)
What structure does cerebrospinal fluid flow through as it passes from the third to the fourth ventricle?
A. Central canal B. Corpus callosum C. Interventricular foramen D. Cerebral aqueduct E. Dural sinus
Which statement about the parasympathetic nervous system is true?
A. Parasympathetic nerves stimulate contraction of smooth muscle in the walls of the epididymis and ductus deferens during emission. B. Fibers arising in the sacral division cause dilation of penile blood vessels and engorgement of erectile tissue. C. Parasympathetic nerves initiate erection in response to visual stimuli and sexual thoughts. D. Parasympathetic nerves constrict the penile arteries when the penis is directly stimulated. E. Parasympathetic fibers arise from T12 to L2 and pass through the hypogastric and pelvic nerve plexuses.
Describe the roles of the natriuretic peptides
A) The roles of these peptides are to trigger responses whose combined effects are to increase blood volume and increase blood pressure. B) The roles of these peptides are to trigger responses whose combined effects are to increase blood volume and decrease blood pressure. C) The roles of these peptides are to trigger responses whose combined effects are to decrease blood volume and increase blood pressure. D) The roles of these peptides are to trigger responses whose combined effects are to decrease blood volume and decrease blood pressure. E) The roles of these peptides are to trigger responses whose combined effects are complementary to angiotensin II.