7. Respiratory induction plethysmography measures respiratory movement by measuring which quantity changes.
A. Capacitance
B. Inductance coefficient
C. resistance
D. pressure
E temperature
Answer b
Analysis: Breath-induced plethysmography (RIP) measures human respiratory movement through electromagnetic induction principle, and monitors human respiratory parameters in real time.
8. In order to prevent the heart from being overburdened when giving blood transfusion to patients, the pressure usually monitored is
A. Ventricular and cardiac valve orifice pressure
B. Central venous pressure
C. systolic blood pressure
D. diastolic blood pressure
E. intracranial pressure
Answer b
9. Medical instruments are instruments for measuring and treating human bodies (patients or subjects), so for _ _ _
A. Effectiveness
B. Security
C. Legality of use
D. practical
E benefit
Answer b
10. The formulation of verification cycle of medical measuring instruments mainly refers to
A. relevant provisions of metrological verification regulations for medical measuring instruments
B. Mean time between failures of equipment
C. date of purchase of equipment
D. Equipment value
E. Equipment use environment
Answer a