Question

question 73
the cord - like structures that carry bio - electrical impulses from one part of the body to another are called:
ventricles
nerves
meninges
brain stem cells

question 74
the combining form phren/o - means:
speech
one
four
mind

question 75
is a defect in the vision in which the rays focus behind the retina due to a flattened eye globe, a flattened cornea or some other type of refractive error.
hyperopia
myopia
retinitis pigmentosa
keratoconus

Explanation:

• Question 73: Nerves are cord - like structures that transmit bio - electrical impulses. Ventricles are parts of the heart, meninges are membranes around the brain and spinal cord, and brain stem cells are undifferentiated cells in the brain stem.
• Question 74: The combining form phren/o means mind. It has roots in Greek medical terminology related to mental functions.
• Question 75: Hyperopia is a vision defect where light rays focus behind the retina due to a flattened eye globe or cornea. Myopia is when rays focus in front of the retina, retinitis pigmentosa is a group of genetic eye diseases, and keratoconus is a disorder of the cornea.

Answer:

• Question 73: B. nerves
• Question 74: D. mind
• Question 75: A. Hyperopia