Match the symptoms to the problem.
1. Ménière's disease
2. tinnitus
3. central hearing loss
4. sensorineural hearing loss
5. conductive hearing loss
A. damage to the cerebral cortex
B. degeneration of hair cells
C. ringing in the ears
D. dizziness and nausea
E. problems with structures of the middle ear
1. D. dizziness and nausea
2. C. ringing in the ears
3. A. damage to the cerebral cortex
4. B. degeneration of hair cells
5. E. problems with structures of the middle ear
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Using the preceding image, determine the correct sequence of events in the primary process, which begins when target molecules (ligands) bind to receptors in the plasma membrane. 1. Target molecules are removed and absorbed into the cytoplasm. 2. The membrane containing the receptor molecules detaches from the lysosome. 3. Pockets pinch off, forming coated vesicles. 4. Areas coated with ligands form deep pockets in the membrane surface. 5. The vesicle fuses with the plasma membrane. 6. Coated vesicles fuse with lysosomes.
A) 4, 6, 1, 2, 3, 5
B) 4, 1, 3, 6, 5, 2
C) 4, 3, 6, 1, 2, 5
D) 1, 2, 4, 3, 6, 5
E) 1, 4, 3, 2, 5, 6
The buccinator muscle is in the
A) buttocks. B) chest. C) cheek. D) bladder.
The ________ are teeth with flattened crowns and prominent ridges that are adapted for grinding, crushing, and mashing.
A) molars B) cuspids C) eyeteeth D) canines E) incisors
Which of the following occurred during rebreathing?
A) carbon dioxide increased B) hyperventilation C) pH increased D) hyperventilation, carbon dioxide increased and pH increased