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Pericardial fluid is found between the

and the

Answer and Explanation

The Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C"}

A. Visceral layer of the serous pericardium; myocardium:
 The visceral pericardium lies on top of the myocardium, but no pericardial fluid is between them.

B. Visceral layer of the serous pericardium; epicardium:
 The visceral layer is the epicardium, so this is redundant.

C. Parietal layer of the serous pericardium; visceral layer of the serous pericardium:
The pericardial cavity lies between these two layers and contains pericardial fluid to reduce friction during heartbeats.

D. Myocardium; endocardium:
 This is internal to the heart and not where pericardial fluid is located.

E. Epicardium; myocardium:
 Again, this space contains muscle and connective tissue, not fluid.


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Related Questions

Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C"}

Explanation

A. Visceral layer of the serous pericardium; myocardium:
The visceral pericardium lies on top of the myocardium, but no pericardial fluid is between them.

B. Visceral layer of the serous pericardium; epicardium:
The visceral layer is the epicardium, so this is redundant.

C. Parietal layer of the serous pericardium; visceral layer of the serous pericardium:
The pericardial cavity lies between these two layers and contains pericardial fluid to reduce friction during heartbeats.

D. Myocardium; endocardium:
This is internal to the heart and not where pericardial fluid is located.

E. Epicardium; myocardium:
Again, this space contains muscle and connective tissue, not fluid.

Correct Answer is D

Explanation

A. Trophoblast: Part of the blastocyst that contributes to placenta formation, not the whole developing individual.
B. Zygote: Single-cell stage immediately after fertilization.
C. Blastocyst: The hollow ball of cells that implants around day 6–7; occurs before week 3.
D. Embryo: The developing human is called an embryo from week 3 through week 8. This is when organ systems begin to form.
E. Fetus: The term "fetus" applies after week 8, when organogenesis is largely complete.

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