The Major Factor That Determines How Many Motor Neurons Will

question 121

Multiple Choice

The major factor that determines how many motor neurons will die during normal development is

• A) target size.
• B) exercise.
• C) cell adhesion molecules.
• D) death genes.

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Definitions:

Korotkoff Sounds

Sounds heard over an artery when blood pressure is measured, useful for determining systolic and diastolic pressures.

Auscultating Blood Pressure

The process of listening to the blood pressure sounds using a stethoscope and sphygmomanometer to measure the pressure.

Systolic Blood Pressure

The maximum arterial pressure during heart contraction, typically the higher number in a blood pressure reading.

Phase II Korotkoff Sounds

Refers to the sounds heard through a stethoscope during the phase when the blood starts to flow again in the artery as the pressure in the cuff decreases, usually manifesting as a swooshing or whooshing sound.