Which of the following is not a condition that must exist for reciprocal altruism to work? a. the behavior must not cost the individual much but be beneficial to the intended recipient b. the individuals involved in the reciprocal altruism must be able to recognize one another c. there is a likelihood that the favor will be returned d. there is a preset amount of individuals involved in the behavior

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection

A48-year-old male presents with an 8-day history of productive cough, subjective fevers, and malaise. he is otherwise healthy without any active medical problems. he is a social drinker of alcohol, and denies any tobacco or drug use. on physical examination, the patient is alert and oriented. his temperature is 100.4 0 f, pulse rate is 56, respiratory rate is 18, and blood pressure is 133/64. heent is within normal limits and a chest exam has diffuse expiratory wheeze with decreased sounds to the right lower lung fields. blood labs reveal wbc 14.4, hgb 11.3, plt 233, alt 65, ast 102, and po 4 2.1. a chest x-ray reveals a dense consolidation with bulging fissures. based on these findings, what is the most likely pathogen affecting this patient?

L2.4.2 test (cst): fitness and nutritionquestion 15 of 203.pointsidentify the nutrient that kale and other leafy greens contain in significantamounts. o a. fatsob. oilso c. vitamin b12o d. folate