Which of the following is true regarding the autonomic nervous system?
A. It has no ganglia along its nerves.
B. It usually controls conscious actions.
C. It uses the neurotransmitter acetylcholine exclusively.
D. Its denervation would cause hypersensitivity.
E. It controls skeletal muscle contraction.
Answer: D
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Inserting a nasopharyngeal airway in a patient with CSF drainage from the nose following head trauma may:
A) result in ventricular dysrhythmias secondary to intracranial pressure. B) cause acute herniation of the brainstem through the foramen magnum. C) cause the device to enter the brain through a hole caused by a fracture. D) result in acute hypertension and decreased cerebral perfusion pressure.
The macula sacculi is nearly horizontal and the macula utriculi is nearly vertical
Indicate whether the statement is true or false
The sphenoid bone is sometimes referred to as a "key stone" of the skull. This is due to the fact that ________
A) the sphenoid is wedged in the superior most portion of the skull and supports all of the other bones below (excluding the mandible) B) the intricate shape of the sphenoid makes it critical to the district characteristics of the individual human face C) the sphenoid is in the center of the skull and it articulates (joins) with all of the other bones of the skull (excluding the mandible) D) the sphenoid bone is solid like a stone and provides the strength necessary to support the skull
What type of biaxial joint is characterized by articulating bones with a deeper complementary fit, one with a convex surface and the other with a concave surface?
A) ball-and-socket joint B) saddle joint C) pivot joint D) hinge joint