QUESTIONS 2026/2027 COMPLETE & ACCURATE
EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS WITH DETAILED RATIONALES (100%
CORRECT VERIFIED ANSWERS) CURRENTLY
UPDATED VERSION 2026 EDITION |GUARANTEED
PASS A+ |FULL REVISED EXAM
How many nanoseconds are in 7
seconds?
A. 7.000.000
B. 7,000,000,000
C. 7 million
D. 0.00000007
B.
Nano means billionth. There are one billion
billionths in one second. Therefore, there
are seven billion billionths in seven
seconds.
,The letters below represent the
abbreviations for the prefixes of the metric
system. Select the sequence that appears
in decreasing order.
A. m, k, M, g, da
B. g, m, k, d,
C. g, k, di, m, M, n
D. M, k, da, d, c
D. M stands for mega and means "millions." k
stands for kilo and means "thousands." da
stands for deca and means "tens." d stands
for deci and means
"one-tenth." c stands
for centi and means
"one-hundredth."
Thus, this sequence is of decreasing
numbers.
,Match the following prefixes with their
meanings.
A. mega
B. hecto
C. milli
D. kilo
E. nano
F. giga
1. hundreds
2. thousands
3, thousandths
4. millions
5. billions
6. billionths
A-4, B-1, C-3, D-2, E-6, F-5.
You should be familiar with the
abbreviations, prefixes, and meanings for
all the terms associated with the metric
system.
Which term is the reciprocal of mega?
A. nano
B. kilo
C. macro
D. micro
D. Mega means million. The reciprocal of
million is millionth. Micro means millionth.
, How can the volume of an irregularly
shaped object be measured most
accurately?
A.
by visual inspection
B. by its weight
C. by immersing it in water
D. by ultrasound scanning
C.
The volume of any object can be accurately
measured by immersing it in water and
measuring the volume of water that is
displaced.
What term is used to describe the effects
of an ultrasound wave on living tissues?
A. toxic effects
B. acoustic propagation properties
C. biological effects
D. transmission properties
C. The effects of ultrasound on the tissues are
called biological effects or bioeffects. There
have been no confirmed bioeffects on
humans with acoustic intensities typical of
those used in diagnostic imaging.