Which of these statements regarding the focal trough is FALSE?
a. Its shape varies from one manufacturer to another.
b. It is where structures will be imaged the sharpest.
c. It is two-dimensional.
d. It is used to determine where to position the dental arches.
c. The focal trough is three-dimensional: anterior-posterior, left-right, and up-down.
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Chest pain that occurs while the patient is at rest and does not go away on its own is called:
a. stable angina. b. unstable angina. c. myocardial infarction. d. cardiac tamponade.
Which of the following is TRUE regarding the peripheral circulation?
A) Provide blood flow to the internal organs. B) The vessels lay closer to the surface of the body. C) Contains the large vessels of the body. D) Vessels vasodilate during hypovolemic shock.
Which of the following describes potential energy per unit weight of a mass of water due to the pressure exerted from above?
a. position head b. pressure head c. velocity head d. head loss
What is true of the legal system and healthcare professionals?
A. Lawsuits against healthcare professionals are growing in number. B. Lawsuits against healthcare professionals are decreasing in number. C. Healthcare laws are stagnating and no longer relevant. D. There are no laws that protect the rights of healthcare professionals.