The ________ is the space between the dura mater and the bone of the vertebra

A) epidural space
B) arachnoid space
C) subarachnoid space
D) subdural space


Answer: A

Anatomy & Physiology

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The left ventricle has a thicker wall than the right ventricle because the left ventricle has to pump blood against a higher pressure

Indicate whether the statement is true or false.

Anatomy & Physiology

Which of the following is not true of cardiac myocytes?

A. They are joined by intercalated discs. B. They have T tubules that admit extracellular calcium. C. Mitochondria make up about 2% of the cell volume. D. They are striated. E. They usually have one nucleus.

Anatomy & Physiology

During pregnancy, smooth muscle cells in the myometrium increase in size and number.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

One of the reasons you might struggle to lift a heavy object with your arm fully extended is because

A.  in extension, the proximity of Z discs to thick filaments restricts the sliding  movement within sarcomeres. B.  full extension results in decreased overlap between thick and thin filaments in the muscle. C.  in that posture, some  myosin heads overlap actin in the wrong orientation and  tug actin in the wrong direction. D.  motor neurons cannot release as much ACh in that posture.

Anatomy & Physiology