In which diagnostic test is a barium enema given rectally prior to taking an x-ray?
A. Lower GI series
B. Gastric lavage
C. Gamma scan
D. Upper GI series
E. Sigmoidoscopy
Answer: A
Health Professions
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The leaf-shaped structure located superior to the larynx is called the:
A. epiglottis. B. vallecula. C. cricoid ring. D. thyroid cartilage
Health Professions
During a helium (He) dilution functional residual capacity (FRC) measurement, the technologist first bleeds in 500 ml of He (He Vol) and obtains an initial reading of 4.0% (FiHe). After equili-bration, the second He reading is 3.2% (FfHe)
What is the patient's FRC? a. 4450 ml b. 3125 ml c. 2680 ml d. 3670 ml
Health Professions