The dorsal interossei muscles in the hand

a. adduct fingers 2-5.
b. abduct fingers 2-5.
c. flex the PIP and DIP joints.
d. extend the MP joints.


b. abduct fingers 2-5.

Anatomy & Physiology

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Which of the following is NOT a change associated with aging?

A. loss of neurons B. loss of skeletal and cardiac muscle tissue C. decreased cross-linking of collagen D. decreased ability of the lens in the eye to accommodate E. arteriosclerosis

Anatomy & Physiology

If someone hears a high-pitch, quiet sound (the whisper of a flute) followed by a booming, low-pitch tone (the boom of a bass drum), what differences in activity of the cochlea allowed them to recognize the differences?

What will be an ideal response?

Anatomy & Physiology

The groove in the epiphysis of the ulna that receives the humerus is the ________, which is located on the anterior surface of the epiphysis of the ulna.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following has been directly linked to perfusion?

a. Amount of hemoglobin b. Blood pressure c. Carbon dioxide level d. Systemic vascular resistance

Anatomy & Physiology