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ANATOMY STACK 2
2025-1-SCI221-07
| Question | Answer |
|---|---|
| The glia cells that help form the blood-brain barrier are the | astrocytes. |
| Nerves that originate from the brain are called _____ nerves. | cranial |
| The ________ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron. | axon terminal |
| This is the site of communication between neurons. | synapse |
| Excitable cells that conduct the impulses are called | neurons. |
| The _____ of a neuron is a single process that usually extends from a tapered portion of the cell body. | axon |
| Which of these glia cells are located in the peripheral nervous system? | Schwann cells |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | sympathetic and parasympathetic |
| Nerves that contain mostly afferent fibers are called _____ nerves | sensory |
| Small distinct regions of gray matter in the CNS are called: | nuclei. |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| The lymphatic system, like the circulatory system, is a closed circuit. | False |
| Astrocytes attach to: | neurons. blood vessels. |
| Which of the following is not a function of the central nervous system (CNS)? | Integrating sensory information Evaluating the information Initiating an outgoing response |
| The enteric nervous system is made up of a complex network of nerve plexuses that control the visceral effectors in the | intestinal wall. |
| The inner protective covering of the brain is called the | meninges. |
| The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the | cauda equina. |
| The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion. |
| Spinal nerves are _____ fibers. | motor and sensory |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| Which of the following is not a branch of the trigeminal nerve? | Zygomatic nerve |
| The brain has _____ major divisions. | six |
| All cell bodies of the autonomic nervous system are located within the CNS. | False |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater. |
| Hormone that inhibits osteoclast activity in children | calcitonin |
| Which of the following areas has the highest concentration of cones? | the fovea centralis |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Cardiac output is determined by | stroke volume and heart rate. |
| The heart has its own special covering, a loose-fitting inextensible sac called the | pericardium. |
| The type of membranous tissue that lines the heart and blood vessels is the | endothelium. |
| The lymph nodes located just above the bend of the elbow are called the _____ lymph nodes. | supratrochlear |
| The lymphatic system, like the circulatory system, is a closed circuit. | False |
| Interferon inhibits the spread of: | viruses. cancer. |
| An infection in the thumb may result in enlargement of the _____ nodes. | superficial cubital |
| Lymph capillaries called lacteals are located in the: | small intestine. |
| The _____ of each lung lies against the ribs and is rounded to match the contours of the thoracic cavity. | costal surface |
| The air-containing spaces that open, or drain, into the nasal cavity are called | paranasal sinuses. |