Which membrane is next to and upon the surface of the heart?
A) mediastinum
B) epicardium
C) endocardium
D) chordae tendineae
B
Explanation: A) This is not a membrane.
B) Correct! Epi- means "above; upon."
C) The endocardium lines the inside of the heart.
D) Chordae tendineae are not a membrane.
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A. failure of tumor antigen presentation. B. failure of activation of tumor-specific T cells. C. failure of recruitment of T cells to the tumor. D. failure of the T cells to produce cytotoxic effector molecules. E. All of the above.
Reticulocytes can be analyzed using flow cytometry when they are stained with ethidium
bromide. Indicate whether the statement is true or false
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Choose the correct spelling for the medical term that means the surgical removal of the mass of lymphoid tissue on either side of the throat at the back of the tongue?
A. Tonsilectomy B. Tonsilsectomy C. Tonselactomy D. Tonsillectomy E. Tonselectomy