How Many Units of Red Blood Cells Are Required to Raise

question 6

Multiple Choice

How many units of red blood cells are required to raise the hematocrit of a 70-kg nonbleeding adult man from 24% to 30%?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Vestibular Sacs

Structures within the inner ear involved in the sense of balance, helping to detect changes in the position of the head.

Inner Ear

The innermost part of the ear, containing the cochlea, vestibule, and semicircular canals, which is essential for hearing and balance.

Frequency Theory

A theory explaining the perception of pitch that asserts neurons fire at the same rate as the frequency of an auditory stimulus.

Basilar Membrane

A key structure in the cochlea of the inner ear, which plays a crucial role in converting sound vibrations into neural signals.