Which of the following occur when the ventilatory threshold is exceeded during exercise? 1. Metabolism becomes anaerobic. 2. Energy production increases. 3. Fatigue increases
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: C
Metabolism becomes anaerobic, the efficiency of energy production decreases, lactic acid accu-mulates, and fatigue sets in.
Health Professions
You might also like to view...
Upon delivery of an infant's head, you note that the umbilical cord is wrapped around its neck. You should:
A. immediately clamp and cut the umbilical cord. B. give 100% oxygen to the mother and transport at once. C. provide free-flow oxygen to the infant and transport. D. attempt to slip the cord gently over the infant's head.
Health Professions
The top four prescribed cardiovascular drugs include all the following except:
A) lisinopril (Zestril) B) quinidine sulfate (Quinidex) C) atorvastatin (Lipitor) D) amlodipine (Norvasc)
Health Professions