The amount of contextual interference in a practice situation can be considered as a continuum ranging from low to high created by the practice schedule. Which of the following practice schedules describes a low-to-high continuum of practice schedules?
A. Blocked-Serial-Random
B. Random-Serial-Blocked
C. Serial-Random-Blocked
D. Blocked-Random-Serial
Answer: A
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You walk up the stairs of a house to respond to a call of an elderly man. You notice that the stairs do not have any handrails. After responding to the reason why he called 911, what suggestion would you give to this patient to avoid falls in the future?
A) He should install a handrail on the front steps to avoid any falls. B) It is illegal to not have a handrail on the front steps and it must be fixed immediately. C) It is a good idea there are no handrails on the front steps as this negatively impacts his balance as he walks up the stairs. D) Nothing, there is no problem.
Which of the following are valid reasons for not using a heat and moisture exchanger in infants?
1. Heat and moisture exchangers add 30 mL to 90 mL of mechanical dead space. 2. Heat and moisture exchangers are not effective with uncuffed endotracheal tubes. 3. Heat and moisture exchangers might cause an obstruction in endotracheal tubes in infants. 4. Heat and moisture exchangers are an inexpensive alternative to humidifiers. a. 1, 2, and 3 c. 2 and 4 b. 1 and 4 d. 3 and 4
Annihilation radiation is used in which of the following modalities?
a. Computed tomography b. Digital mammography c. Positron emission tomography d. Computed radiography
Which of the following is used to clean blood pressure cuffs and reflex hammers?
A. ultrasonic cleaning B. sterilization C. sanitization D. disinfection