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Sara Wright
Anatomy set 2 weeks 6-12
| Question | Answer |
|---|---|
| Muscles that move the upper arm originate on the | clavicle and scapula |
| Muscles that contract at the same time as the prime mover are called | synergists and antagonist |
| 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 |
| 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 |
| The point of attachment that does not move when the muscle contracts is the | origin |
| The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement | parallel |
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle | tone |
| Neurons have | very limited capacity to repair themselves |
| In the human nervous system | there are almost equal numbers of glia cells and neurons |
| Which is true of a reflex arc | It always consists of an afferent neuron, an efferent neuron, and an interneuron |
| The cranial nerve that arises from the spinal cord is the | accessory |
| The peripheral nervous system includes | cranial nerves, the spinal cord, spinal nerves, and their branches |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein | It flows into the inferior vena cava |
| Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation | systemic |
| The structures that deflect air as it passes through the nose are called | conchae |
| The vibrissae function as | filters |