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Anatomy Week 6-12
| 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. Which of the following is true? | The knee is acting as a fulcrum. |
| Another name for a skeletal muscle cell is a(n): | muscle fiber. |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| Dendrites conduct impulses _____ cell bodies. | toward |
| Impulses from which system play a part in arousing or alerting the cerebrum? | Reticular activating system |
| Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | Brachial |
| The hypophyseal portal veins are primarily located in the | infundibulum |
| Membrane attached to the stapes. | oval window |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| Renal veins drain blood from the | kidneys. |
| The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |
| Bean-shaped structures located at certain intervals along the lymphatic system are | lymph nodes. |
| Gas exchange, the lungs’ main and vital function, takes place in the: | alveoli. |
Created by:
Sean Flanagan
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