Which of the following statements is true about heart rate and exercise? a. it is best to exercise your heart as hard as possible. b. maximum heart rate can be calculated by taking 220 minus your age. c. your recommended exercise heart rate is 30% of your maximum heart rate. d. all of the above are true statements.

The pediatrician at the clinic explains to parents of a newborn that their child suffers from cleft palate. she tells them that the normal palate fused in an anterior to posterior pattern. the child's palatine processes have not fused. have his palatine bones fused normally? explain. 3. bernice, a 75 year old woman, stumbled slightly while walking, then felt a terrible pain in her left hip. at the hospital, x-rays revealed that the hip was broken. also, the compact and spongy bones throughout her spine were very thin. what was her probable condition? treatment? 4. at work, a box fell from a shelf onto bertha's acrominal region. in the emergency room, the physical reveled that the head of the humerus had moved into the axilla. what had happened to bertha?

Whats the difference between epinephrine and norepinephrine?

How does drinking alcohol or using drugs put a person at risk for hiv infection? a.they improve judgment, which makes it more likely for people to engage in risky behavior. b.they impair judgment, which makes it more likely for people to engage in risky behavior. c.they impair judgment, which makes it less likely for people to engage in risky behavior. d.they improve judgment, which makes it less likely for people to engage in risky behavior.