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Anatomy Wk 6-12
| Question | Answer |
|---|---|
| The muscle fascicle arrangement for Orbicularis oris is best characterized as | Circular |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. How does the knee act as? | The knee is acting as a fulcrum |
| A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the: | Prime mover |
| The _______ of a presynaptic neuron associate with the dendrite of a postsynaptic neuron. | axon terminal |
| Interneurons reside in the | CNS only |
| The three divisions of the brain that make up the brainstem are the: | medulla oblongata, midbrain, and pons. |
| The cranial nerve that arises from the spinal cord is the: | accessory. |
| Factors that affect the strength of myocardial contraction are called: | Inotropic factors. |
| The vagus is said to act as a "brake" on the heart. This situation is called: | vagal inhibition |
| From which vessels do myocardial cells receive blood? | Coronary arteries. |
| The cisterna chyli: | originates in the thoracic duct. |
| The spleen is located in which region? | left hypochondriac |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense are called a | germinal center |
| Interferon inhibits the spread of | viruses and bacteria |
| The vibrissae function as | filters |
| The structures that deflect air as it passes through the nose are called: | conchae. |