What is the correct definition of the lymphatic system?

the body's response to injury or disease, resulting in a condition of swelling, pain, heat, and redness

the body's ability to resist the pathogens that cause a particular disease

a secondary circulatory system that the body fight pathogens and maintain its fluid balance

a combination of body defenses made up of the cells tissues and organs that fight pathogens

What is a self-improvement strategy for a parent with a busy schedule? a. spend more time watching exercise shows on tv. b. start exercising when the kids are grown. c. use a calendar to plan daily exercise. d. write in a journal about the importance of exercise.

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes

At 2: 00 am, a 17-year-old boy, accompanied by his 19-year-old girlfriend, had driven to the bar to give his father (who had been drinking large amounts of alcohol) a ride home. on the way back, they were involved in a motor vehicle collision. the boy has a large laceration with profuse bleeding on his forehead. his girlfriend is unconscious in the front passenger floor. the father is standing outside the vehicle, appearing heavily intoxicated, and is refusing care. what is the best way to gain consent to begin care when his father has an altered mental status or is unconscious? a. phone his mother for consent. b. call his grandparents for consent. c. it is a true emergency, so consent is implied. d. you are covered under the good samaritan laws.