Which muscle will depress the scapula or elevate the ribs?
A. Serratus anterior
B. Pectoralis minor
C. Rhomboideus major
D. Subclavius
E. Levator scapulae
Answer: B
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Bones forming a cartilaginous joint are bound together by ________.
A. a layer of cartilage B. an articular capsule C. a layer of dense connective tissue or reticular tissue D. a layer of cartilage or reticular tissue
The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm
Indicate whether this statement is true or false.
A friend of yours suffers a blow to the forehead and loses sensation in her scalp due to the crushing of peripheral nerves. Is there a possibility she will regain sensation in the area?
A. Yes, because the damaged neurons may regenerate through the process of mitosis. B. No, because damaged neurons have very limited potential for mitosis. C. No, because peripheral nerves lack an endoneurium and a neurilemma. D. Yes, because damaged peripheral axons may regenerate due to the presence of a neurilemma and an endoneurium. E. Yes, because satellite cells undergo mitosis and produce growth factors that enable damaged axons to regenerate.
Answer the following statements true (T) or false (F)
1. The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme. 2. Most nutrients are absorbed through the mucosa of the intestinal villi by active transport. 3. Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. 4. Mumps is an inflammation of the parotid glands caused by myxovirus. 5. Fats significantly delay the emptying of the stomach.