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Anatomy
6-12 weeks
Question | Answer |
---|---|
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Trapezius |
Muscles that contract at the same time as the prime mover are called: | synergists & fixators. |
Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs. |
Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
Schwann cells have a function in the PNS that is similar to that of which cells in the CNS? | Oligodendrocytes |
The hormone produced by the heart | increases the excretion of sodium in the urine. |
Which of these substances operate(s) immune mechanisms? | Sebum, Mucus, Enzymes, hydrochloric acid in gastric mucosa |
Recognition of antigens by antibodies occurs when an | Antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites. |
Which of the following does not distribute air? | Alveolus |
Which of the following is true of the cribriform plate? | It separates the nasal and cranial cavities. |