Usability is a subset of HCI and one of its major components. Which of the following are usability topics? Select all that apply
1. Using an application
2. Learning to use a system
3. User satisfaction
4. Efficiency
5. Error-free/error-forgiving interactions
1,2,3,4,5
Rationale: •Seamless fit of an information system to the task(s) at hand
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An adult patient being assessed in the emergency room is anxious about his health status. The ECG rhythm strip shows a heart rate of 120 beats/min. Characteristics of a sinus tachycardia rhythm are:
A) P:QRS ratio of 2:1 B) P:QRS ratio of 1:1 C) Ventricular and atrial rhythm are irregular D) Atrial rhythm regular, ventricular rhythm irregular
An ileostomy was performed on a patient for the treatment of debilitating ulcerative colitis disease. A problem the nurse should watch for in patients after this surgery is
a. fluid imbalance. b. sexual activity restriction. c. skin excoriation. d. the collecting appliance being bulky and large.
An intervention for a client who is experiencing nausea and vomiting is to:
a. increase fluid intake with meals. b. decrease carbohydrates. c. avoid eating immediately before bedtime. d. eat five or six small meals a day.
A school nurse is working with teachers in helping them address the developmental needs of grade school students, according to Erikson's theory of industry versus inferiority. The nurse suggests which of the following activities?
A) Providing time for running and playing sports, such as basketball, to increase gross motor skills B) Presenting diversity in culture and practices as part of classroom study C) Helping them develop skills needed in the adult world, like allowance budgeting D) Allowing "pretend" time during their classes, like dress-up or role playing