Strength and Conditioning (Quiz 2)

Which of the following describes the change in responsiveness of a receptor to insulin? 

down regulation

Polypeptide hormones are made of chains of which of the following?

amino acids

All of the following are factors that influence the magnitude of a resistance training postworkout hormonal response except 

amount of effort the athlete gave during the workout

Which of the following is not an adaptation of the endocrine system to resistance training?

type of hormones released

Complete oxidation of 1 glycogen molecule results in a yield of 

33 ATP

Which of the following describes the portion of the total energy cost of exercise that must be supplied through anaerobic mechanisms due to the slow response of the aerobic system to the initial increase in the demand for energy? 

oxygen deficit

Which energy system is used (chosen) depends primarily on what?

exercise intensity

Serum levels of which of the following hormones will increase as a result of performing a resistance training workout that involves large muscle group exercises with loads 85-95% of 1RM and 30- to 60-second rest periods in athletes with two or more years of resistance training experience?

testosterone

Which of the following is a physiological role of growth hormone?

increased immune cell function

Which of the following is an important biomarker for health, growth, and performance?

IGF superfamily

All of the following hormones use a second messenger to cause effects in the body except

cortisol

Which of the following energy systems has the fastest rate of ATP production?

ATP-PCr

When the stress of a training session is too great, which of the following statements is true?

anabolic reactions < catabolic reactions in the muscle 

The depletion of which of the following fuel sources may contribute to fatigue in prolonged endurance events and repeated anaerobic exercise bouts?

glycogen

Which of the following supports the initiation of all exercise?

phosphagen system

The law of mass action states which of the following? 

the concentrations of reactants or products will drive the direction of the reactions

Which of the following energy systems is capable of producing the greatest amount (capacity) of ATP?

oxidative

When one examines the effects of a resistance training program via peripheral blood hormone levels, which of the following is false?

higher blood hormone levels do not indicate higher receptor interaction probability

The activation of _____ results in the production of lactic acid.

fast glycolysis

The source of energy for muscular contraction is:

ATP