Imaging the L5-S1 joint with an AP projection requires the CR to be directed:

perpendicular
15 degrees cephalic
30 degrees cephalic
20 degrees cephalic

30 degrees cephalic

Rationale: The L5-S1 AP axial projection requires a 30 degree cephalic tube angle to aid in opening up the joint space.

Health Professions

You might also like to view...

Your patient is a seven-year-old female with a history of bee-sting anaphylaxis. She was stung by a bee and nearly immediately began having difficulty swallowing and breathing. Her father administered her prescribed 0.15 mg epinephrine auto-injector without result. On your arrival, the patient responds to painful stimuli; has labored, rapid, wheezing respirations; a heart rate of 60; and a blood pressure of 92/60. Her father tells you that she weighs 48 pounds. Which of the following is the best sequence of treatment for this patient?

A) Hyperventilate for 1 to 2 minutes, intubate the trachea, administer 1:10,000 epinephrine endotracheally, start an IV of normal saline, and administer diphenhydramine, IV B) Assist ventilations with a bag-valve-mask device and supplemental oxygen, administer diphenhydramine subcutaneously, start an IV of normal saline, and administer 1:1,000 epinephrine intravenously. C) Begin a nebulized albuterol treatment with supplemental oxygen, administer 1:1,000 epinephrine subcutaneously, start an IV of normal saline and infuse a 400-mL bolus, and administer diphenhydramine, IM D) Assist ventilations with a bag-valve-mask device and supplemental oxygen, initiate a large-bore IV of normal saline, and administer 1:10,000 epinephrine intravenously, followed by diphenhydramine, IV

Health Professions

A client is admitted to the hospital with a transverse fracture of the femur. Which statement best describes this type of fracture?

a. The fracture line is parallel to the bone. b. The fracture line is straight across the bone. c. The fracture line is perpendicular to the bone. d. The fracture line is vertical to the shaft of the bone.

Health Professions