When a positive number is multiplied by a negative number, what sign will the value of the product always have?
A) Negative
B) Positive
C) Neither of the above
D) The sign will vary.
A
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While analyzing a blood gas control sample, you notice a trending of several PCO2 values above the 2 SD range over the last six control samples run. What corrective action would you consider at this time?
1. Check the function of the PCO2 electrode. 2. Rerun the control sample a second time. 3. Repair or replace any failed components. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3
During shock, the pediatric patient will compensate for a short period of time and then gradually decompensate.
Answer the following statement true (T) or false (F)
Lesions found in the buccal mucosa, known as Koplik's spots, are first signs of which of the following?
a. Erythema multiforme b. Herpangina c. Rubeola d. Varicella e. Acute lupus erythematosus
Which valves open to allow the ventricles to fill?
A) Tricuspid and pulmonic B) Tricuspid and mitral C) Aortic and pulmonic D) Aortic and mitral