ccht practice test Questions with well explained answers

1.Which of the following best describes the reason for wearing gloves when handling machine prior to blood? a) patient comfort b) asepsis c) universal precautions d) HIV - Answer-c) universal precautions 2 You test for sterilant levels in a hemodialysis machine prior to patient use. The test is positive for sterilant. This means the machine: a) is sterile & bacteria free b) needs further rinsing c) needs more sterilant d) is in conductivity - Answer-b) needs further rinsing 3.Choose the correct statement regarding serum abnormalities in renal failure: a) creatinine, BUN, & phosphorus are elevated b) creatinine BUN creatinine, BUN, & phosphorus are depressed c) calcium & bicarbonate are elevated d) calcium & bicarbonate aredepressed - Answer-a) creatinine, BUN, & phosphorus are elevated 4.Hemodialysis requires a means to channel the patient's blood to the hemodialyzer & then back to the body. It's called: a) vascular access b) hemodialyzer c) dialyzing fluid delivery system d) infusion pump - Answer-a) vascular access 5.Which of the following is correct regarding a fistula? a) usually created in the leg, near the ankle b) usually created in the forearm, near the wrist c) are made of salastic tubing d) none of the above - Answer-b) usually created in the forearm, near the wrist 6.Blood leak detectors are extremely sensitive & can determine: a) blood type b) amount of blood loss c) blood leakage immediately d) volume changes e) serum potassium levels - Answer-c) blood leakage immediately7.Which of the following foods are high in potassium? a) milk, ice cream, yogurt b) legumes, cheese, pizza c) chips, colas, canned meat d) bananas, tomatoes, oranges - Answer-d) bananas, tomatoes, oranges