Babies should sleep in what position every time they are put down for sleep?
1. On their backs
2. On their stomachs
3. On their left sides
4. On their right sides
1
Explanation: 1. Babies should sleep on their backs every time they are put down for sleep.
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An older male adult who has osteoarthritis tells the nurse that he has experienced fatigue for the past 2 weeks. Which nursing intervention should the nurse implement to help him manage fatigue?
a. Recommend an antidepressant. b. Help him plan exercise and rest. c. Plan two or three naps everyday. d. Tell him it is due to osteoarthritis.
As the disease progresses, symptoms of human immunodeficiency virus (HIV) become evident when which of the cells of the immune system decrease?
a. B cells c. neutrophils b. macrophages d. CD4 T cells
How are threats to validity affected when studies are conducted in real-world settings?
a. Threats to both internal and external validity are increased. b. Threats to both internal and external validity are decreased. c. Threats to internal validity are decreased, whereas threats to external validity are increased. d. Threats to internal validity are increased, while threats to external validity are decreased.
Which are common key features of hormones? (Select all that apply.)
a. Hormones may travel long distances to get to their target tissues. b. Continued hormone activity requires con-tinued production and secretion. c. Control of hormone activity is caused by negative feedback mechanisms. d. Most hormones are stored in the target tissue for use later. e. Most hormones cause target tissues to change activities by changing gene activ-ity.