A PA chest projection (lateral decubitus position) demonstrates
1. the C6-7 vertebral bodies without distortion.
2. the manubrium superimposed over the fourth vertebral body.
3. a closed C6-7 intervertebral disk space.
4. clearly shown C6-7 spinous processes and laminae.
a. 1 and 2 only
b. 2 and 3 only
c. 2, 3, and 4 only
d. 3 and 4 only
C
Health Professions
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The x-ray beam formed at the focal spot is monochromatic
Indicate whether the statement is true or false
Health Professions
Which of the following statements explains the reason stress increases the susceptibility to periodontal infections?
A) Increased red blood cells B) Reduced host immune response C) Decreased neutrophil chemotaxis D) Decreased production of steroids
Health Professions