Which of the following is TRUE of quitting smoking?
A) Mucus that clogs airways is broken up and eliminated within 24 hours of quitting.
B) Tissues damaged by smoking can never repair themselves.
C) Many ex-smokers say they have more energy, sleep better, and feel more alert.
D) Smoker's breath disappears within 1 week of quitting.
C
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Which of the following cell-surface receptors is MOST closely linked to activating type I hypersensitivity reactions?
A. Fc?RII B. Fc?RIIB C. Fc?RI D. LFA-1 E. None of the above
What does the medical term angina pectoris mean?
A. Chest pain B. Heart burn C. Back pain D. Heart attack
Daily supplementation with high doses of vitamins C and E has been shown to
A. provide limited protection against exercise-induced muscle fatigue. B. depress exercise-induced training adaptations in skeletal muscles. C. diminish muscle fatigue during prolonged exercise. D. Both provide limited protection against exercise-induced muscle fatigue and depress exercise-induced training adaptations in skeletal muscles are correct
Answer the following statement(s) true (T) or false (F)
1.The pull of muscles on bone in weight-bearing exercise stimulates development of increased bone density and preserves existing bone. 2.Strong, fatigue-resistant muscles provide better balance during static and dynamic activities for people of all ages. 3.Resistance training may enhance cardiovascular health by reducing several risk factors. 4.People over 50 are too old to benefit from resistance training. 5.Resistance training provides emotional and psychological benefits similar to aerobic exercise.