Most of the anterior forearm muscles are responsible for
A) extension of the wrist and fingers.
B) extension of the forearm.
C) flexion of the wrist and fingers.
D) flexion of the forearm.
E) flexion of the arm.
Ans: C) flexion of the wrist and fingers.
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The fornix
A. is composed of gray matter. B. forms the floor of the lateral ventricles. C. is best seen on axial CT images. D. All of the above E. None of the above
How are osteons in compact bone tissue aligned?
a) horizontal to the metaphysis. b) parallel to the epiphysis. c) parallel to the length of the diaphysis. d) randomly between the epiphyseal plates. e) parallel to the perforating canals.
Answer the following statements true (T) or false (F)
1. Bones are the primary organ of the skeletal system. 2. Bones are the only major structure in the body that is not considered living. 3. The articular cartilage covers and protects the diaphysis of the long bones. 4. The calcified rings of compact bone are called canaliculi. 5. The curves of the spine in the cervical and lumbar regions are the convex curves of the spine.
The 2 major roles of the arterioles are
a. Determining the heart rate at any given pressure b. Determining relative blood flow to specific organs c. Major factor in determining mean arterial pressure d. Establishes atrial pressure during diastole