You should allow the microscope to cool before storing it because ________
A) its motor and light are warm and a student could get injured
B) it is easier to clean when cool
C) it will extend the life of the expensive bulb
D) it will prevent the motor from burning out
Answer: C
You might also like to view...
Which of the following cells secretes CSF into the ventricles of the brain?
A) microglia B) basal nuclei C) ependymal cells D) substantia nigra
Solution A has a pH of 10 and solution B has a pH of 2. Which of the following statements about these solutions is true?
A. Solution A is acidic. B. Solution B has a higher hydrogen ion concentration than solution A. C. Solution A and solution B are both basic. D. Solution A has a higher hydrogen ion concentration than solution B. E. Solution B is basic.
Which type of blood vessels carry blood away from the heart?
A) arteries B) veins C) capillaries
The prenatal period during which the major organ systems form is the ________ period.
A. fetal B. embryonic C. neonatal D. germinal