The rectus abdominis, external oblique abdominal, and internal oblique abdominal are the agonists against resistance in:

A. lumbar extension.
B. lumbar flexion.
C. right lateral flexion.
D. right lumbar rotation.


B. lumbar flexion.

Health & Biomechanics

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The use of complement receptor deficient cells has shown that

A. normal B cells sample antigen on macrophages and leave it intact. B. normal B cells sample antigen on macrophages and take part of it. C. complement receptor-deficient B cells do not sample antigen on macrophages. D. complement receptor-deficient B cells sample antigen on macrophages and take part of it. E. Both A and C.

Health & Biomechanics

Effector cells that secrete antibodies are known as _____

a. natural killer cells b. cytotoxic T cells c. helper T cells d. M cells e. plasma cells f. regulatory T cells.

Health & Biomechanics

Which of the following could be done to reduce the amount of force needed to move a lever?

A. Decrease the amount of resistance B. Apply the force farther from an axis C. Move the resistance closer to an axis D. All of the answers are correct.

Health & Biomechanics

Which is an abnormal condition of excessive hair growth, especially in women?

A) myxedema B) thymitis C) hirsutism D) hypergonadism

Health & Biomechanics