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week 9
test review
| Question | Answer |
|---|---|
| Bony labyrinth structure containing the utricle and saccule. | vestibule |
| Membrane attached to the stapes | oval window |
| Which of the following areas has the highest concentration of cones? | the fovea centralis |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| The basilar membrane supports the | spiral organ |
| Receptors for hearing are located in the | cochlear duct |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial mebrane |
| The nerve carrying taste information from the anterior two-thirds of the tongue is the | facial |
| Which of the following is are part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? | vagus nerve, solitary nucleus of the medulla oblongata, thalamic nuclei, |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. | adrenal gland |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct |
| Defense and hematopoiesis is the function of what glands? | Lymph nodes |
| This protein interferes with the virus’s ability to cause disease: | Interferon |
| Antibodies are proteins of what family? | immunoglobulins |
| In this process, cells detect and then navigate towards the higher concentration of the chemotactic factor: | Chemotaxis |
| Name four substances that operate immune mechanisms. | Sebum, mucus, enzymes, and hydrochloric acid in gastric mucosa. |
| What is the ingestion and destruction of microorganisms called? | phagocytosis |
| What are the two major categories of the body’s defense mechanisms? | Innate and adaptive immunity |
| What are the lymphatics in the villi of the small intestines called? | lacteals |
| What is a lymphotoxin? | A powerful poison that acts directly on any cell and quickly kills it |
| What is cytolysis? | The result of molecules formed by the reactions of complement cascade that assemble themselves on the enemy cell’s surface. |
| Describe the Clonal selection theory. | When an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and there by produce more antibodies. |
| The thymus is the primary organ of which system? | lymphatic |
Created by:
JCBrown