If performing an AP foot, where should the heel of the foot be positioned when considering the production of a uniform density?
with the exact central ray
towards the anode
towards the cathode
the position of the heel won't matter
towards the cathode
Rationale: According to the anode heel effect, the thicker part or the heel should be aligned with the cathode end of the tube to assist with production of more uniform density.
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Fill in the blank(s) with correct word
You have run a 12-lead ECG on Mrs. Simmons. In lead V1, you notice that the QRS is positive and has a "bunny ears" appearance. What does Mrs. Simmons most likely have?
A. Left bundle branch block B. Right bundle branch block C. Left ventricular hypertrophy D. Complete AV block
The shaft of a long bone is the _______________. It is tubular and consists of a thick collar of compact bone that surrounds the central medullary cavity.
Fill in the blank(s) with the appropriate word(s).
What type of epithelium lines the anterior third of the nasal cavity?
a. cuboidal b. pseudostratified ciliated columnar c. stratified squamous d. pseudostratified ciliated squamous