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What is the function of the coronary circulation Provide a blood supply to the heart; Correct. The coronary circulation provides oxygenated blood to the heart through coronary arteries. Coronary veins return the deoxygenated from the heart to the coronary sinus on the posterior surface of the heart. The coronary sinus empties the deoxygenated blood directly into the right atrium where it joins deoxygenated from the body. What is the ligamentum arteriosum? A remnant of the ductus arteri...

Which of these equations best summarizes photosynthesis? A. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + Energy B. C6H12O6 + 6 O2 → 6 CO2 + 12 H2O C. 6 CO2 + 6 H2O → C6H12O6 + 6 O2 D. 6 CO2 + 6 O2 → C6H12O6 + 6 H2O E. H2O → 2 H+ + 1/2 O2 + 2eC. 6 CO2 + 6 H2O → C6H12O6 + 6 O2 Where does the Calcin cycle occur? It occurs in the Stroma The light reactions of photosynthesis use _____ and produce _____. water ... NADPH Which term describes ATP production resulting from the capture of light...

Which statement accurately describes plate tectonics? - Pieces of the lithosphere move quickly and constantly. - The motion of the subduction drives plate movement. - When one plate slides under another, it is called a convection current. - The lithosphere is broken into sections called plates. The lithosphere is broken into sections called plates. Which statement explains how convection currents affect the movement of plates? - Gravity pulls one edge of a plate down into the mantle, whic...

Which statement accurately describes plate tectonics? - Pieces of the lithosphere move quickly and constantly. - The motion of the subduction drives plate movement. - When one plate slides under another, it is called a convection current. - The lithosphere is broken into sections called plates. The lithosphere is broken into sections called plates. Which statement explains how convection currents affect the movement of plates? - Gravity pulls one edge of a plate down into the mantle, whic...

Which two items should always be locked away separately? a. firearms and targets b. firearms and arrows c. firearms and knives d. firearms and ammunition d. firearms and ammunition What is the term for continuing to squeeze the trigger after the bullet fires? a. follow through b. trigger squeeze c. breathing d. parallax a. follow through What distance should be used to pattern a shotgun? a. the maximum range of your shotgun b. the distance you expect to be from your quarry c. 50 y...

Which of the following EKG machine functions should an EKG technician use to control and regulate the height of EKG waveforms on the tracing? a. Speed b. Output display c. Artifact filter d. Gain d. Gain Which of the following methods should a EKG technician use when removing hair from electrode placement sites for telemetry monitoring? a. Dry shave b. Wet shave c. Tape d. Clippers d. Clippers An EKG technician notes periods of sinus arrest on a patient's EKG tracing. The techni...

Study A medical assistant is performing spirometry testing for a patient who has shortness of breath. Which of the following results of the spirometry test indicates a successful maneuver? A fast and steady flow with no variability A medical assistant is explaining a venipuncture procedure to a patient. Which of the following statements should the assistant make? "I'll be collecting a blood sample from you today. There will be a small stick in your arm." A medical assistant is provid...

EMTALA Federal statute preventing hospitals from 'dumping' patients unable to pay. interfacility transports Transfers of patients between healthcare facilities. legal situation Potential involvement in a legal case. federal court Court where cases related to EMTALA are most appropriately filed. medical malpractice Form of negligence action usually filed in state courts. critical care transport Transport of patients requiring critical care. malpractice action Legal action for medic...

Development of most new drugs from discovery to marketing approval usually takes: 9 years or more The first randomized, controlled study of an experimental drug versus aspirin for postoperative pain control will enroll 55 subjects in each arm. Which of the following best describes the clinical phase of this study? Phase II Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug X (10 or 20 mg/day...

What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key value 4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 2. Foreign key ...