In the fire tetrahedron, what is the reducing agent?
A. fuel
B. heat
C. oxygen
D. chemical chain reaction
Answer: A. fuel
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Isopropyl alcohol (70%) is commonly used for cleansing the venipuncture site before phlebotomy. The motion that should be used in cleansing is:
a. Beginning at the outer edge away from the intended site of needle entry, use concentric circles and gradually work in to the center. b. Using random motion, scrub over and around the intended site of needle entry for 1 full minute. c. Beginning at the intended site of needle entry, work in concentric circles away from the site. d. Using random motion, lightly wipe over the intended site for 2 full minutes.
In which hearing test does the practitioner strike a tuning fork on a hard surface to produce a sound and places the tuning fork in the middle of the patient's head to determine if the patient has conductive or sensorineural hearing loss?
A. Tympanometry B. Rinne C. Weber D. Sound decibels E. Audiometer
A/an ______ chain is a chain collar used in dogs that operates like a noose
Fill in the blank(s) with correct word
Which of the following anti-TB drugs causes red/orange saliva?
a. INH b. rifampin c. rifabutin d. pyrazinamide