Through a point on the ala-tragus line below the outer cantus of the eye toward the center of the image receptor describes the recommended point of entry of the central ray of the x-ray beam for which of the following occlusal radiographs?
a. Maxillary anterior topographical
b. Maxillary posterior topographical
c. Mandibular anterior topographical
d. Mandibular posterior topographical
b. The point of entry for directing the central ray of the x-ray beam when exposing a maxillary posterior topographical occlusal radiograph is through a point on the ala-tragus line below the outer cantus of the eye toward the center of the image receptor.
You might also like to view...
Which of the following statements about traction splints is correct?
a. Once a traction splint has been positioned under the leg, you attach the ankle hitch and then manual traction can be released. b. Mechanical traction should be applied until the affected leg is approximately 1–2 inches longer than the unaffected leg. c. Manual traction should be applied until the mechanical traction is at least equal to the manual traction. d. Once the mechanical traction has been applied, the ischial strap must be released to promote circulation in the affected leg.
While cleaning a gun, a 44-year-old man accidentally shot himself in the abdomen. On your arrival at the scene, the patient is responsive to painful stimuli and lying on his side, with his legs drawn to his chest. Blood is evident on his shirt and pants. The vital signs are minimally acceptable and the pulse oximeter reading is 94%. What is the correct sequence of events when caring for this patient?
A) Perform a primary assessment and a rapid secondary assessment, move the patient to the stretcher for immediate transport, and start positive pressure ventilation en route to the hospital B) Perform the primary assessment, administer supplemental oxygen, perform the secondary assessment, transfer the patient to the stretcher, and provide rapid transport C) Transfer the patient to the ambulance, provide rapid transport, perform the primary and secondary assessments, and avoid oxygen therapy en route to the hospital D) Transfer the patient to the ambulance, perform the primary assessment, provide oxygen therapy, and provide rapid transport
Which of the following terms is synonymous with POCT?
A) blood culture testing B) near-patient testing C) capillary blood gas testing D) neonatal screening
The alpha cells of the pancreas produce?
A) ?renin. B) ?cortisol. C) ?glucagon. D) ?insulin.