This type of study has less validity than an RCT, but it has utility in some circumstances. The problem in this study design is that there is an increased chance that the study groups will be different
A) Cohort study
B) Nonrandomized controlled trial
C) Cross-sectional study
D) Case series
B
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What rate is used to indicate the percentage of the hospital’s beds occupied by inpatients for a given time period?
A. Percentage of occupancy B. Total length of stay C. Inpatient bed occupancy rate D. Both a and c
Young's rule is a formula for solving pediatric dosage calculations based upon the patient's:
A) Age in months. B) Age in years. C) Weight in pounds. D) Weight in kilograms.
Which statement shows that the EMT understands the use of a tourniquet in controlling bleeding?
A) "A tourniquet should be applied tightly enough that arterial blood flow distal to the tourniquet is completely stopped." B) "If the tourniquet appears to have stopped the bleeding, the EMT should loosen it slightly to allow a small amount of blood to perfuse the tissues." C) "If a blood pressure cuff is used as a tourniquet, the EMT should inflate it approximately 50 mmHg above the patient's systolic blood pressure." D) "Since arteries run close to the body's surface in a joint, the best place to apply a tourniquet is over the joint just above the site of hemorrhage."
Which of the following is one of the three processes by which chemicals can pass into and through a material?
a. Infiltration b. Permeation c. Absorption d. Impregnation