bio1500E3.doc - Matching._1.locationofVgatedNa channels...

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Matching.  Items in the right column can always be used more than once ___1. location of V-gated Na+ channels 1. sarcoplasmic reticulum (SR) ___2. location of V-gated Ca++ channels 2. t-tubules ___3. mechanically-gated Ca++ channels 3. both 1 & 2 ___4. mechanically-gated Na+ channels 4. none of these ___5. lots of Ca++ pumps ___6. lots of Na+ pumps ___7.  Which one of the following do skeletal, cardiac & smooth muscle all  possess?        1. gap junctions    2. t-tubules    3. sarcomeres     4. troponin     5. there are none of these that all 3 possess Give the location of the structures in the left column within a muscle fiber ___8. t-tubules 1. inside the myofibrils ___9. sarcoplasmic reticulum (SR) 2. outside the myofibrils ___10. actin & myosin filaments 3. both Matching.  Items in the right column can be used more than once ___11. involuntary 1. sympathetic NS ___12. decreased heart rate 2. parasympathetic NS ___13. increased sweating       3. both ___14. increased glucose in blood 4. neither In females with less than 17% body fat the hypothalamus directs menstrual cycling to cease (amenorrhea).   Female ballet dancers, athletes, & those with eating disorders frequently experience amenorrhea. ___15. Amenorrhea would be unlikely to occur in females with 1. Hashimoto's     2. hi HCG levels 3. Grave's 4. Addison's  5. it would be likely to occur in all  ___16.  In Type II diabetes (NIDDM) 1. beta cells are attacked by immune system 4. target tissues are unresponsive to insulin 2. beta cells are unresponsive to insulin levels 5. none of these 3. beta cells are unresponsive to glucose levels ___17.  Which hormone directly  causes the release of ADH?
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