Unit - 1
Therapeutic modality – True / False
1. All electrotherapy modalities (with the exception of
biofeedback) involve the introduction of some
physical energy into a biologic system.
2. Low frequency current ranging from 0 to 1000HZ
3. An electric current is the flow of electric charge
4. Potential is measured in Amperes (A)
5. Alternating, Direct & pulsatile are types of current.
Therapeutic modality – True / False
6. In direct current, the current flows in 2 direction
7. Alternating current is continuous flow of electric
current.
8. Pulsatile means, 2 or 3 pulses grouped together.
9. Electrical current tends to choose the path that
offers the least (LESS) resistance to flow.
10. Generally the skin offers the primary resistance to
current flow
Therapeutic modality – True / False
11. The greater the current which passes through the
body, more severe is the shock.
12. Shocks are also generally more severe with
alternating current than with direct current.
13. Following a shock the patient should avoid Hot
drinks.
14. Following a minor shock the patient is reassured
and allowed to rest.
Complete the sentence
1. Fat contains only about 14 percent water and is
thought to be _____________.
2. Bone is extremely dense, contains only about 5
percent water, and is considered to be the
__________________ of electrical current.
3. Name the body tissue which offers the least
resistance to the flow of current.? ___________
4. Main uses of electricity are:
a._____________ c. _________
Complete the sentence
5. Dangers of electricity
a._____________ b. ___________
6. A shock is a
_______________________________________
7. Causes of shock
a. _____________ b. _____________
c. _____________ d. _____________
8. Types of Shock
a._____________
b. ______________