PRE TEST
Quiz by Sayed Mohammed
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45 questions
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- Q1All of the following sections of the sarcomere shorten during a concentric muscle action EXCEPT theA-bandH-bandI-banddistance between Z-lines120s
- Q2The length-tension relationship of muscle is based on the following fact:As muscle lengthens, the tension increases.As muscle lengthens, the tension changes and is highest at the middle length.As muscle lengthens, the tension changes and is highest at the shortest lengthAs muscle lengthens, the tension decreases.120s
- Q3All of these factors contribute to venous return EXCEPTthe muscle pumpvasoconstrictionthe respiratory pumpvenoconstriction120s
- Q4This ion, stored in the sarcoplasmic reticulum, is released into the sarcoplasm to signal the beginning of the contraction process:potassiumhydrogencalciumsodium120s
- Q5Which of the following will increase the dissociation between hemoglobin and oxygen?high partial pressure of oxygenincreased temperatureincreased pHlow partial pressure of CO2120s
- Q6Internal rotation of the hip takes place in this plane:frontalsagittaltransverse120s
- Q7The joint involving the femur and tibia is an example of this type of joint:cartilaginousmultiaxialfibroussynovial120s
- Q8Josephine performs a biceps curl, lifting a weight from the extended arm position up to full flexion of the elbow. This movement provides an illustration of this type of lever system:first-classthird-classsecond-class120s
- Q9All else being equal, this type of muscle fiber arrangement will be associated with higher forces:radiatebipennatefusiformlongitudinal120s
- Q10You meet up with your friend Heidi in the weight room. You haven’t seen her since she'd injured her leg during track practice. You observe that she’s performing progressive loading exercises with her injured leg. From this observation, you realize that she’s probably in this phase of healing:repairinflammationremodeling120s
- Q11The primary substrate for a 50-meter sprint isfatproteinoxygencreatine phosphate120s
- Q12The general recommendation for dietary fat is55% of total calories45% of total calories20% of total calories30% of total calories120s
- Q13At the beginning of aerobic exercise, before reaching steady state, an individual will be in this state:oxygen debtanaerobic thresholdoxygen deficitlactate threshold120s
- Q14The hormone used illegally by some athletes to enhance red blood cell production in the body iscreatine monohydrateerythropoietinephedrinetestosterone120s
- Q15In order to lose 10 pounds, an individual will have to have a deficit of this many calories:3,500 kilocalories7,000 kilocalories70,000 kilocalories35,000 kilocalories120s