Use the Method Suggested to Compute Mentally $\begin{array}{r}86 \\+\quad 69 \\\hline\end{array}$

question 61

Multiple Choice

Use the method suggested to compute mentally.
-Use breaking and bridging. $\begin{array}{r}86 \\+\quad 69 \\\hline\end{array}$

• A) 157
• B) 154
• C) 155
• D) 153

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Definitions:

Hematocrit

The proportion of blood volume that is occupied by red blood cells, a crucial measurement in diagnosing and managing various medical conditions.

Erythrocytes

Red blood cells that are responsible for carrying oxygen from the lungs to all parts of the body and returning carbon dioxide to the lungs for exhalation.

Fibrinogen

A blood plasma protein that's converted to fibrin in the clotting process, essential for wound healing.

Thrombocyte

Another term for platelets, which are blood cells involved in clotting and wound healing.