Intercalated Discs Are Cell-Cell Junctions Found Between Cardiac Muscle Cells

question 7

Multiple Choice

Intercalated discs are cell-cell junctions found between cardiac muscle cells. One feature of these intercalated discs is that they contain a large number of gap junctions, which means that ________.

• A) an extension of smooth endoplasmic reticulum goes through the gap junction, making it continuous from one cardiac muscle cell to the next
• B) water ions and small molecules can readily pass from one cardiac muscle cell to the next
• C) cardiac cells can function independently when necessary
• D) RNA from one cardiac muscle cell can be transported into an adjacent cell through the gap junction

Learn the role of graphology in personality assessment and its pseudoscientific status.

Understand the importance of combining psychological test results with other information sources for accurate personality assessment.

Identify the challenges and limitations of interpreting personality test results.

Recognize the significance of reliability and validity in personality testing.

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Definitions:

Buffy Coat

The layer between the packed red blood cells and plasma in a centrifuged blood sample; this layer contains the white blood cells and platelets.

Centrifuged

The process of using centrifugal force to separate substances of different densities or to remove moisture.

Venipuncture

A medical procedure that involves puncturing a vein with a needle to extract blood or administer medication.

Heparin

A medication used as an anticoagulant to prevent and treat blood clots in the veins, arteries, or lungs.