with Verified Answers
In an atom the negatively charge particles are called?
A. Electrons
B. Neutrons
C. Photons
D. Protons - ANSWER-A. Electrons
Which particles are found in the nucleus of an atom?
A. Electrons and protons
B. Neutrons and photons
C. Protons and electrons
D. Protons and neutrons - ANSWER-D. Protons and Neutrons
Which of the following materials is not a conductor of electrical energy?
A. Carbon
B. Rubber
C. Copper - ANSWER-B. Rubber
The force or push that moves free electrons from one atom to another is referred to as?
A. Amperes
B. Frequency
C. Power
D. Voltage - ANSWER-D. Voltage
Which of the following electrical energy concepts is measured in Hertz?
A. Amperes
B. Frequency
C. Power
D. Voltage - ANSWER-B. Frequency
Which of the following electrical concepts is measured in Ohma?
A. Frequency
B. Independence
C. Power
D. Resistance - ANSWER-D. Resistance
Which of the following concepts of electrical energy is true?
A. Radio frequency cycles at 60 cycles per second
B. Radio frequency cycles at 100,000 cycles per second
C. Household current cycle at 100,000 per second - ANSWER-B. Radiofrequency
cycles at 100,000 cycles per second
, Which statement concerning current is true?
A. Direct current flows in one direction and gains voltage when it travels through
conductors over long distances.
B. AAC current is used in batteries
C. Alternating current flows back and forth along a single pathway due to changes in
polarity. - ANSWER-C. Alternating current flows back and forth along a single pathway
due to changes in polarity.
Which of the concepts of ESU electrical energy flow is correct?
A. Use of mono polar energy flow may result in alternate site burns.
B. During the use of mono polar electrical energy passes through the tissue and returns
through get same instrument used to deliver the energy.
C. Use of bipolar energy flow may result in alternate site burns. - ANSWER-A. The use
of mono polar energy flow may result in alternate site burns
The electrical energy device that causes the collagen matrix in vessel walls and
connective tissue to reform in vessel walls and connective tissue to reform into a
permanently fused tissue matrix is the?
A. Argon enhanced coagulator
B. ESU
C. Harmonic scalpel
D. Ligature - ANSWER-D. Ligasure
The mechanical energy device that uses a piezo electric transducer to create
mechanical friction energy is called the?
A. Harmonic scalpel
B. Argon enhanced coagulator - ANSWER-A. Harmonic Scalpel
The surgeon requests a laser for cervical ablation what kind would he choose? -
ANSWER-Co2 laser
A surgeon needs a robotic device that will attach to the table rail to hold an endoscope
what would he require? - ANSWER-A robotic arm
Which aspect of newtons law of inertia or law of motion is incorrect?
A. An object at rest tends to stay at rest unless acted upon by an unbalanced force.
B. An object in motion tends to stay in motion unless acted upon by an unbalanced
force.
C. For every action there is an equal and opposite reaction
D. The acceleration of an object is dependent upon two variables speed and velocity. -
ANSWER-D. The acceleration of an object is dependent upon two variables speed and
velocity (3rd law of conservation)
The characteristics of log energy include all of the following except
A. Color