BONENT Practice Exam 2023 with Complete Solutions

Commercial heparin is obtained from which of the following? 1. Beef lung 2. Hog intestinal mucosa 3. Urea 4. Sheep lung - ANSWER- A patient complains of a cold hand, especially the fingers. The technician should tell the patient it may be caused by - ANSWER- Which of the following side affects may occur if the rollers of the blood pump are over occluded? (A) Air in the blood circuit (B) TMP will rise (C) Hemolysis may occur (D) Blood will not be circulated through the kidney - ANSWER- The most effective treatment for muscle cramping during dialysis treatment is to inject a bolus of (A) hypertonic saline into the injection port on the venous blood line. (B) hypertonic saline into the blood line through the arterial injection port. (C) dextrose 25% into the blood line through the venous injection port. (D) dextrose 25% into the blood line through the arterial injection port. - ANSWER- Which of the following are the two most important factors to consider when choosing a dialyzer? (A) Manufacturer and membrane type (B) Dialyzer size and membrane pore size (C) Cost and its ability to be reused (D) Durability and UFR - ANSWER- Which of the following are the two most important factors to consider when choosing a dialyzer? (A) manufacturer of the equipment. (B) unit's technical support group. (C) hospital's biomedical department. (D) FDA Good Manufacturing Practices Act. - ANSWER- The ultimate responsibility for maintaining water purity levels for water used for hemodialysis lies with the: (A) head nurse. (B) water systems supplier. (C) technician. (D) medical director. - ANSWER- Which of the following are some of the factors that contribute to anemia in dialysis patients? (A) 1 and 2 only (B) 1 and 3 only (C) 2 and 3 only (D) 1, 2, and 3 - ANSWER- While performing blood pressure and monitor checks, the technician notices that a patient's bloodlines look like "cherry soda." The patient feels like something bad is going to happen and becomes short of breath and panicky. Which of the following should the technician suspect is happening? (A) Clotted blood lines (B) High serum potassium (C) Visual hemolysis (D) Nervous anxiety - ANSWER- When cannulating a graft, the staff should use: (A) 10-15 degree angle. (B) 20-30 degree angle. (C) 35-45 degree angle. (D) 46-50 degree angle. - ANSWER- The total pressure in the blood circuit is a result of all of the following EXCEPT the (A) rate of dialysis fluid flow. (B) blood flow rate controlled by the blood pump. (C) resistance to flow in the blood circuit. (D) diameter of the fistula needles. - ANSWER- A dialysis technician in the unit has contracted hepatitis B. The most probable cause would be introduction (A) of infective secretions into mucosal surfaces.