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SCI220
week 6-12
| Question | Answer |
|---|---|
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as | hematopoietic stem cells |
| Where do muscles that move the upper arm originate? | clavicle and scapula |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| Melanin-containing layer of the eye's vascular tunic is known as | choroid |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue |
| The primary organ of the lymphatic system is the | thymus |
| Which of the following minerals is essential for the formation of thyroid hormone? | iodine |
| The cranial nerve that arises from the spinal cord is the | accessory |
| The brain has _____ major divisions | 6 |
| What tern is used to describe a muscle that directly performs a specific movement? | agonist |
| The glia cells that help form the blood-brain barrier are the | astrocytes |
| The two efferent divisions of the autonomic nervous system are: | sympathetic and parasympathetic divisions |
| After blood leaves the lungs and returns to the heart, it enters the | left atrium |