The discovery of radium as a radioactive element was done by ________
A) Roentgen
B) Doppler
C) Curie
D) Cyclotron
C
Explanation: A) Roentgen discovered x-rays not radium.
B) Doppler is an ultrasound technique, not a person.
C) Correct! Marie Curie discovered radium in 1898 while working with uranium.
D) A cyclotron is an instrument, not a person.
You might also like to view...
True or False? Health care professionals don't need to know how to convert measurements from one system to another because multifunction calculators are readily available
A) True B) False
Cancer that is in the early stages before metastasis is known as ________
Fill in the blank(s) with correct word
The ____________________ hormone stimulates ovulation in the female. In the male, it stimulates the secretion of testosterone.?
Fill in the blank(s) with correct word
The most common type of muscle contraction encountered with most exercises is ________, meaning the contraction proceeds at a consistent muscle tension while the body part moves through its range of motion
A) isotonic B) isokinetic C) isometric D) eccentric