What term refers to a mass of cells that act as a unit?
Intercalated discs
Chordae tendineae
Functional syncytium
Systole
The Correct Answer is C
A. Intercalated discs: Structures that connect cardiac cells and permit coordination, but not the term for the group behavior.
B. Chordae tendineae: Tendinous cords of AV valves; unrelated to cell-unit behavior.
C. Functional syncytium: Describes cells acting together as one unit due to electrical coupling.
D. Systole: The contraction phase of the cardiac cycle, not a term for a cell collective.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is {"dropdown-group-1":"A"}
Explanation
Correct answer: Right lung
The right lung occupies the right side of the thoracic cavity, is typically larger and divided into three lobes (superior, middle, inferior), and in the image the circled pulmonary tissue on the subject’s right side corresponds to the right lung.
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Correct answer: Cervical lymph nodes
Cervical lymph nodes are located along the sides of the neck and drain the scalp, face, and structures of the head and neck; the lymph nodes indicated by the arrow in the neck region correspond to the cervical group.
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