A nurse is teaching a group of lifeguards about safe sunning. Which statement by a lifeguard indicates understanding of the teaching?
a. "Sunscreen should be applied 30 minutes before going outside."
b. "I do not need sunscreen when it is cloudy outside."
c. "I should reapply sunscreen after swim-ming."
d. "UV radiation does not penetrate through water."
C
Sunscreens should be reapplied after swimming and with profuse sweating. Most sunscreens should be applied at least 30 minutes before going outdoors, but some require application 2 hours before exposure. Clouds do not protect from all UV rays. UV radiation can penetrate at least several centimeters of clear water.
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The nurse is caring for a 35-year-old man diagnosed with a back strain. What would be important to discuss with this patient?
A) Avoid lifting more than one-third of his body weight without assistance. B) Focus on using back muscles during lifting. C) Lift objects while holding the object away from the body. D) Tighten the abdominal muscles and lock the knees during the lifting of an object.
A nurse is assessing a child with chronic health problems and his family. Which of the following factors should be taken into account?
a. The ability of the family to pay for expen-sive equipment b. The degree of impairment to the child's ability to develop c. How often recreational activities will take place d. Special needs "camp" placement for the child in the summer
Which statement explains how autonomic drugs affect synaptic transmission?
1. Drugs are frequently given to correct autonomic dysfunction. 2. Drugs used to prevent the normal destruction of the neurotransmitter cause the neurotransmitter to remain in the synapse for a longer period of time. 3. Drugs influence the release of neurotransmitters at the postganglionic site. 4. Drugs that decrease the degree of neurotransmitter synthesis stimulate autonomic responses.
The nurse asks the patient to stand with feet together, arms resting at the sides, with eyes open and then with the eyes closed. Which response by the patient indicates a problem in the cerebellum?
a. Maintains balance when eyes are open, but loses balance with eyes closed b. Is unable to stand upright after turning around in a circle once c. Steps sideways when standing with feet together and eyes closed d. Sways slightly and maintains upright posture with feet together