A lateral lumbar projection demonstrates closed L4-5 and L5-S1 intervertebral disk spaces. How should the positioning setup be adjusted for an optimal projection to be obtained?
1. Angle the central ray until it parallels the interiliac line.
2. Rotate the patient into a true lateral position.
3. Align the central ray perpendicular to the L5-S1 vertebral column area.
4. Align the vertebral column parallel with the imaging table.
a. 1 and 4 only
b. 2 only
c. 3 and 4 only
d. 1, 3, and 4 only
D
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The doctrine of res ipsa loquitur tells us that the breach (neglect) of duty is so obvious that is does not need further explanation.
Answer the following statement true (T) or false (F)
Which of the following situations will cause an increase in the single-breath carbon dioxide (SBCO2) curve?
a. Decreased metabolic rate and decreased ventilation b. Decreased metabolic rate and increased ventilation c. Increased metabolic rate and increased ventilation d. Increased metabolic rate and decreased ventilation
The lungs are ________.
A. C-shaped B. spongy C. rigid D. All of these
Which of the following organs or structures lies within the retroperitoneal space?
A. Ascending aorta B. Spleen C. Kidneys D. Gallbladder