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Which of the following tissues lines the interior structures of the heart?

A. Epicardium

B. Pericardium

C. Myocardium

D. Endocardium

Answer Explanation:

The endocardium lines the interior structures of the heart. It is a thin, innermost layer of the heart wall that lines the heart chambers and valves. It is composed of subendocardial connective tissue and endothelial cells that are continuous with blood vessel endothelium.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Science

  • Q #1: Which of the following tissues lines the interior structures of the heart?

    A. Epicardium

    B. Pericardium

    C. Myocardium

    D. Endocardium

    Answer Explanation

    The endocardium lines the interior structures of the heart. It is a thin, innermost layer of the heart wall that lines the heart chambers and valves. It is composed of subendocardial connective tissue and endothelial cells that are continuous with blood vessel endothelium.

  • Q #2: Escherichia cell is plated on nutrient agar plates that each contain a different type of antibiotic. The shaded area represents growth of the bacteria. Which of the following plates contains bacteria that were most resistant to the antibiotic

    A. A

    B. B

    C. C

    D. D

    Answer Explanation

    This is the plate with the most growth despite the presence of antibiotic cover.

  • Q #3: Which structure of the female reproductive system is the source of the blood and mucosal tissue during menstruation? (You will find hot spots to Select in the image below. Select only the hot spot that corresponds to your answer.  

    A.

    B.

    C.

    D.

    Answer Explanation

    The inner lining of the uterus is the source of blood and mucosal tissue that is shed during menstruation.