A lead collimator performs which of the following functions?
It filters out secondary radiation.
It directs the primary beam toward the patient.
It restricts the spread of the x-ray beam to no more than 2.75 inches.
It filters out low-level waves.
It restricts the spread of the x-ray beam to no more than 2.75 inches.
Rationale: It restricts the spread of the x-ray beam to no more than 2.75 inches.
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Sterility for nasal preparations can be obtained by ________ or autoclaving
A) filtration B) 70% isopropyl alcohol C) sterile water D) saline solution
When a patient is initially started on mechanical ventilation common orders from the physician in the patient's chart include which of the following? a. FiO2 b. Mode c. Sensitivity d. Tidal volume
a. 1 and 2 only b. 1, 2, and 4 only c. 3 and 4 only d. 1, 2, 3, and 4
Plasma is a yellow fluid
Indicate whether the statement is true or false
Refer to the ICD-10-CM Guidelines I.C.20.j.3, which states: Assign code ________, Terrorism, secondary effects, for conditions occurring subsequent to the terrorist event
A. Y36.8 B. Y39.9 C. Y38.9 D. Y37.9