Identify the region of the humerus that articulates with the ulna.
A. Capitulum
B. Medial epicondyle
C. Trochlea
D. Head
Answer: C. Trochlea
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Which of the following muscles elevates and retracts (adducts) the scapula?
A. Pectoralis minor B. Rhomboid major C. Subclavius D. Serratus anterior E. Scalenes
Answer the following statements true (T) or false (F)
1. The gray rami communicantes consist of myelinated postganglionic fibers. 2. Splanchnic nerves are mixed motor and sensory nerves. 3. The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected. 4. The celiac ganglion is primarily associated with the sympathetic division. 5. The sympathetic chain is composed of collateral ganglia.
Because skeletal muscle cells are so close together, muscle contains very few blood vessels.
Answer the following statement true (T) or false (F)
The thin segments in the nephron loop are __________.
relatively impermeable to water, ions, and other solutes freely permeable to water and relatively impermeable to ions and other solutes freely permeable to water, ions, and other solutes relatively impermeable to water and freely permeable to ions and other solutes