30. The semicircular canals A. are parallel to each other. B. can detect movemen

Question

30. The semicircular canals A. are parallel to each other. B. can detect movement in only one direction C. have a base called a papilla. D. contain cupulae that respond to gravity. E. allow a person to detect movement in all directions 31.The thoracolumbar outflow of the autonomic nervous system is called the A. craniosacral division B. somatic division C. parasympathetic division D. sympathetic division E. None of these 32. Parasympathetic preganglionic neurons arise from the nervous system (brain and spinal cord). A. thoracic and cranial B. Thoracic and lumbar C. Cranial and sacral D. Cervical and cranial E. All of these regions o 33. The sympathetic division A. is always stimulatory B. is always inhibitory C. is usually under conscious control D. generally oppose the action of the parasympathetic division E. Both a and c are correct 34. The celiac ganglion innervates the A. stomach B. liver C. pancreas D. All of the above E. B and C only 35. The

Explanation / Answer

30. Option E is the correct answer. Semicircular canals are present in inner ear which are filled with a fluid known as endolymph which contains motion sensor and thus, detect movement in all direction.

31. Option D is the correct answrer. Because its cells begin in the thoracic and lumbar regions of the spinal cord, the sympathetic nervous system is said to have a thoracolumbar outflow.

32. Option C is the correct answer. The parasympathetic division of the ANS arise from the brainstem and from sacral segments of the spinal cord.

33. Option D is correct. The sympathetic division and parasympathetic division has opposite effect in general.

34. Option D is the correct answer. The celiac ganglion innervate the stomach, liver, gallbladder, spleen, kidney, small intestine, and the ascending and transverse colon. Thus, option D is the correct answer.

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