Action potentials are conducted into a skeletal muscle fiber by
A) Motor end plates.
B) Neuromuscular junctions.
C) Transverse tubules.
D) Triads.
E) Sarcoplasmic reticulum
C) Transverse tubules.
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During brain surgery, the superior portion of the postcentral gyrus of a patient is stimulated. What do you expect the patient to do?
A. Smile B. Feel pressure on his toes C. Move his hand D. Flex his fingers E. Talk to the surgeon
The figure illustrates muscles of the thorax and abdomen. Which structure is indicated by "A"?
A. Rectus abdominis B. Internal oblique C. Linea alba D. External oblique E. Serratus anterior
The hip bone is composed of three separate bones. The first to appear on a series of axial CT images arranged in descending order is the ilium.
Answer the following statement true (T) or false (F)
Why is it important for an oncologist to understand lymphatic drainage?
A. Cancer cells often metastasize via the lymphatic system. B. Lymphomas are the most common cancers in the body. C. Most cancers start in the lymphatic system. D. Oncologists can use lymphatic drainage to help drain a cancer from an area of the body.