Varying the window level and window width when viewing CT images will cause bone to appear black and air to appear white.
Answer the following statement true (T) or false (F)
False
Rationale: Varying the window level and window width when viewing CT images alters density and contrast, but bone still appears white and air still appears black.
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Which is not one of the extraembryonic membranes that form early in the development of the embryo?
A. Placenta B. Chorion C. Amnion D. Yolk sac E. All of these are correct.
The atria are separated from the ventricles externally by the
A. anterior interventricular sulcus. B. posterior interventricular sulcus. C. sinoventricular sulcus. D. coronary sulcus. E. None of the choices is correct.
The thick tangle of capillary loops found within a corpuscle is known as the
A. Bowman. B. convoluted capillary bed. C. glomerular capsule. D. glomerulus. E. nephron.
Segmental contractions are mixing contractions that occur predominantly in the _________________
A. oral cavity B. large intestine C. esophagus D. stomach E. small intestine