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A & P LAB 8
STUDY REVIEW TO KNOW FOR FINAL LAB EXAM
| Question | Answer |
|---|---|
| WHAT THREE MAJOR FUNCTIONS OF THE URINARY SYSTEM? | EXCRETION, ELIMINATION AND HOMEOSTATIC REGULATION OF VOLUME AND SOLUTE CONCENTRATION OF BLOOD. |
| WHAT IS THE "FIRST STEPS" TO FORM URINE AND LOCATION WHERE EACH OCCURS? | BLOOD IS FILTERED IN THE GLOMERULUS: H20, ELECTROLYTES AND PROTEINS. |
| WHAT IS THE "SECOND STEPS" TO FORM URINE AND LOCATION WHERE EACH OCCURES? | SOME SUBSTANCES ARE RECOVERED IN THE "PROXIMAL CONVOLUTED" TUBULE: GLUCOSE AND AMINO ACIDS(THROUGH ACTIVE TRANSPORT).SODIUM AND POTASSIUM ARE REABSORBED. |
| WHAT IS THE "THIRD STEPS" TO FORM URINE AND LOCATION WHERE EACH OCCURES? | "LOOP OF HENLEY" WHICH THE ULTRAFILTRATE MOVES,CHLORIDE IS ACTIVELY TRANSPORTED OUT; ANTIBIOTICS(PENICILLIN) ARE SECRETED INTO THE ULTRAFILTRATE AT THIS POINT. |
| WHAT IS THE "FOURTH STEPS" TO FORM URINE AND LOCATION WHERE EACH OCCURES? | DISTAL CONVOLUTED TUBULE:SODIUM,POTASSIUM AND HYDROGEN IONS;MECHANISM UNDER THE CONTROL OF ALDOSTERONE IN MAINTAINING ELECTRICAL NEUTRALITY, PPOTASSIUM OR HYDROGEN ARE SECRETED IN EXHANGE FOR SODIUM. |
| WHAT IS THE "FOURTH STEPS" TO FORM URINE AND LOCATION WHERE EACH OCCURES? | COLLECTING DUCT:ULTRAFILTRATE IS REDUCED IN VOLUME,80% OF H20 HAS BEEN REABSORBED, 20% DEPENDS ON THE HYDRATION OF BODY. |
| WHAT IS THE NORMAL BLOOD SUPPLY IN ORDER? |