Which of the following is the correct reason that a cape-style lead barrier without a thyroid collar be used when exposing panoramic radiographs?

a. Due to the position of the PID, the thyroid collar would block the x-rays.
b. It would be difficult for a standing patient to maintain an apron-style barrier.
c. This type of lead barrier is less expensive and offsets the cost of the panoramic machine.
d. Cape-style barriers represent state-of-the-art new technology.

a. The PID of the panoramic x-ray machine is in a fixed position at a slight negative angulation. Metal or dense material positioned at the shoulder level or above may interfere with the path of the x-ray beam.

Health Professions

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Two different patients both have hemoglobins in the 5.0 to 6.0 g/dL range. One has pallor, fatigue, and headaches, whereas the other is experiencing life-threatening shock. Which of the following is probably the major difference between the two patients?

a. The morphologic classification of the anemia b. Whether other cell lines (platelets or white cells) are also involved c. The patient's sex d. How quickly the anemia developed

Health Professions

Which of the following terms applies to a painful, common condition characterized by the endometrial tissue adhering to organs outside of the uterus?

a. Endometritis b. Cervicitis c. Vaginitis d. Endometriosis

Health Professions