SOLVED

51) How many pairs of cranial nerves enter the brain directly? A) 43 B) 12 C) 86 D) 31 52) How many pairs of spinal nerves enter the spinal cord at the spaces between the vertebrae of the spine? A) 86 B) 43 C) 31 D) 12 53) The sympathetic nervous system acts like the ________ of a car, whereas the parasympathetic nervous system acts more like a/an ________. A) brake; radiator B) spark plug; accelerator C) accelerator; brake D) radiator; spark plug 54) Which of the following is NOT a part of the peripheral nervous system? A) the somatic nervous system, which includes nerves connected to sensory organs and skeletal muscles B) motor nerves, which carry orders from the central nervous system to the muscles, glands, and internal organs C) sensory nerves, which carry information to the brain and spinal cord from the skin, muscles, and internal and external sense organs D) the emotional nervous system, which regulates responses of the body to stress 55) The parasympathetic nervous system acts like the ________ of a car. A) spark plug B) brake C) accelerator D) radiator 56) As Bridget is walking across campus, a bicyclist swerves toward her. Her heart races and sweat breaks out as she jumps out of harm’s way. Soon, Bridget’s heart rate begins to decrease and return to a regular rhythm. This calming reaction is due to the action of Bridget’s: A) sympathetic nervous system. B) skeletal nervous system. C) parasympathetic nervous system. D) somatic nervous system. 57) As Molly is walking across campus, a car swerves toward her. Her heart races and sweat breaks out as she jumps out of harm’s way. This mobilization of energy is due to the action of Molly’s: A) somatic nervous system. B) parasympathetic nervous system. C) skeletal nervous system. D) sympathetic nervous system. 58) Which of the following occurs when the parasympathetic nervous system is activated? A) Ejaculation in males is stimulated. B) Sweat glands are strongly stimulated. C) Urine volume is decreased. D) Salivation is strongly stimulated. 59) ________ occurs when the parasympathetic nervous system is activated. A) Acceleration of the heartbeat B) Constriction of the pupils C) Relaxation of the bladder wall D) Increased epinephrine and norepinephrine secretion 60) Parasympathetic nervous system activation: A) decreases urine volume. B) dilates the bronchial tubes. C) inhibits glucose release by the liver. D) stimulates ejaculation in males.