To qualify for Medicare, disabled adults must have been receiving Social Security disability benefits for:
A) 1 year.
B) more than 1 year.
C) more than 2 years.
D) more than 3 years.
C) more than 2 years.
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Balloon frame construction originated in the 1830s
a. True b. False
Which of the following can cause false high readings when using a pulse oximeter?
a. Fetal hemoglobin b. Intravascular dyes c. Carboxyhemoglobin d. Presence of metHb
A dark pigmented colony is isolated from the leg wound of a fisherman from Florida. The gram-negative rod grows on sheep blood and MacConkey agars. The organism provides the following reactions:
TSI: K/A Indole: no color change Lysine: no color change 1% NaCL: no growth Arginine: purple Ornithine: no color change DNase: pink halo around the area of organism inoculum The microbiologist cannot read the oxidase reaction due to the dark pigment. What can he do to help achieve a valid oxidase reaction? A) Grow the organism under anaerobic conditions and retest B) Grow the organism on a non-nutrient agar and retest C) The oxidase test is not necessary for the identification of this organism D) Perform a modified oxidase test
Which vitamin is needed for blood to clot?
A. vitamin D B. vitamin E C. vitamin K D. niacin