Exhibit 25 $$R _ { \text {TI } } = 0.18 \quad B _ { T I } = 1.06 \quad R _ { Y } = 0.06 \quad R = 0.11$$

question 64

Multiple Choice

Exhibit 25.7
Use the Information Below for the Following Problem(S)
Given the following information evaluate the performance of Tyler Incorporated (TI) .
$$R _ { \text {TI } } = 0.18 \quad B _ { T I } = 1.06 \quad R _ { Y } = 0.06 \quad R = 0.11$$
-Refer to Exhibit 25.7.Calculate TI's selectivity.

• A) 0.0113
• B) 0.1200
• C) 0.0687
• D) 0.0530
• E) 0.0696

---

Definitions:

Intercalated Disks

Specialized cell-cell junctions in cardiac muscle that facilitate the synchronized contraction of the heart by allowing the rapid passage of ions and electrical impulses.

Merocrine

A type of exocrine gland secretion where cells secrete their substances by exocytosis without losing cellular material.

Apocrine

A type of gland that releases its secretions by pinching off a portion of the cell, found mainly in the underarm and groin area, contributing to body odor when the secretion is broken down by bacteria.

Exocytosis

A cellular process in which substances are moved out of the cell through the fusion of vesicles with the plasma membrane.