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Anatomy
Weeks 6-12
| Question | Answer |
|---|---|
| Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: | Perimysium |
| The sternocleidomastoid muscle is an example of a muscle named for its: | Points of attachment |
| There are more than 600 muscles in the body. | True |
| The afferent pathways of the autonomic nervous system: | Carry feedback information to integrating centers in the brain. |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
| Which is not true of the myelin sheath? | It covers cell bodies in the brain and spinal cord. |
| The spinal tract is located on the side of the cord, originates in the brain, and terminates in the spinal cord in the _____ tract. | lateral corticospinal |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater |
| The peripheral nervous system includes: | only cranial nerves, spinal nerves, and their branches. |
| Region of the adrenal cortex that secretes DHEA. | zona reticularis |
| The basilar membrane supports the | spiral organ |
| The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called | Semilunar valves |
| Which mature cell has no nucleus, mitochondria, or ribosomes? | Erythrocyte |
| Antibodies are proteins of the family called | immunoglobulins |
| Interferon inhibits the spread of: | Viruses and Bacteria |
| Anatomically, how does the right bronchus differ from the left bronchus, and what effect might this have on the aspiration of objects? | The right bronchus is slightly larger and more vertical than the left. This anatomical fact helps explain why aspirated foreign objects frequently lodge in the right bronchus. |
| Which of the following is not an accessory structure of the respiratory system? | Trachea |
| Which of the following lists the correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |