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Shoua L
Anatomy Weeks 6-12 (Assignment 2)
| Question | Answer |
|---|---|
| These regions of the neuron direct electrical currents toward the cell body. | dendrite |
| What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | neurilemma |
| Most unipolar neurons are usually: | sensory neurons |
| Which of the following compounds cannot cross the blood-brain barrier? | Dopamine |
| The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion |
| Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm. | brachial |
| Which of the following is not true of the lateral corticospinal tract fibers? | Most inhibit the lower motor neuron |
| A patient complains of numbness in the skin of the buttocks and the posterior surface of the thigh and leg. The spinal nerve or peripheral branch most likely involved with this condition is the _____ plexus. | coccygeal |
| What is the region of the retina that contains only cones and provides maximal visual acuity? | Fovea centralis |
| What is an immune organ that also secretes hormones? | Thymus |
| Transparent structure of the eye containing regularly aligned collagen fibers. | cornea |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Where is the location of the bundle branches? | Muscular Interventricular Septum (Pars Musclaris) |
| What is the formed element of the blood that develops into phagocytic cells called macrophages? | Monocyte |
| Platelets play an important role in | blood clotting |
| Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles? | precapillary sphincters |
| The lymph nodes that direct lymph fluid to the jugular trunks. | Cervical nodes |
| The smallest lymphatic vessel that collects lymph in the peripheral tissue. | Lymphatic capillaries |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocyte |
| Gas exchange occurs only in the | alveoli |
| If you were to trace the movement of air through the nose into the pharynx, it would pass through the following structures in which order? | anterior nares, vestibule, meatus, and posterior nares |
| In the right lung, the superior and middle lobes are separated by the: | horizontal fissure. |
| The function of the vibrissae in the vestibule is to: | provide an initial “filter” to screen particulate matter from air that is entering the system. |
| 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 |
| Olfactory epithelium is found: | covering the superior turbinate. |
Created by:
Shoualor83
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