ACE PERSONAL TRAINER - CHAPTER 8 Which of the following transports oxygen-poor blood back to the heart ? ANSWER Veins Which of the following characterizes the hardening and constriction of arter ies caused by plaque accumulation? - ANSWER Arteriosclerosis During physical exertion, which of the following muscles helps th e diaphragm and external intercostals with inspiration? - ANSWER Pectoralis minor. During the activity, the client's heart rate is 165 bpm and his stroke volum e is 0.15 L. What is the client's cardiac output? - ANSWER: 25 L/min Which of the following describes the point at which ventilation st arts to grow in a nonlinear way? - ANSWER First ventilatory threshold (VT 1) An ACE Certified Personal Trainer leads an outdoor training session with a cli ent on a hot summer day. The customer will mostly rely on which of the following heat regulation measures to minimize heat during the workout bout? - ANSWE R Evaporation During an exercise session on a hot, humid day, a client has headaches, naus ea, and copious sweating. Which of the following conditions is the client mo st likely experiencing? - ANSWER Heat fatigue An ACE Certified Personal Trainer recognizes that a client is developing hot, dry skin and stops sweating. What should the trainer's initial ANSWER be? - ANSWER Activate emergency medical services (EMS). Which of the following is the recommended fluid consumption before ex ercise? - ANSWER 5-7 mL/kg (0.08 –0.11 oz/lb)
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