To understand the causes of health and disease, epidemiology studies:
a. Individuals
b. Families
c. Groups
d. Populations
D
Epidemiology monitors health of populations, understands determinants of health and disease in communities, and investigates and evaluates interventions to prevent disease and maintain health.
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During a physical exam of the patient's nails, the nurse depresses the nail edge to blanch it, and then releases it. What is the nurse assessing with this technique?
1. Whether clubbing of the nail is present 2. How brittle the nails are 3. Whether the nail is well attached to the nail bed 4. Capillary refill
A patient reported to have been exposed to mustard gas is brought to the emergency department. The patient's skin is red and swollen with small blisters, and the patient's eyes are red and tearing
The patient has a runny nose and a dry, barking cough. What should the nurse's initial action be? a. Prepare for renal dialysis. b. Provide oxygen and prepare for mechanical ventilation. c. Remove the patient's clothing and clean the skin with soap and water. d. Rush the patient to the intensive care unit for cardiorespiratory monitoring.
The nurse is planning to calculate a patient's cardiac index (CI). What physical assessment data does the nurse need to make this calculation?
A. Weight and waist measurement B. Weight and height C. Waist measurement and height D. Weight only
Measurement of the systolic blood pressure begins when:
A. The cuff is deflated B. The first sound is heard C. The sound muffles D. The sound disappears