Integration of Nervous System Functions

Which of the following is a descending pathway in the spinal cord? Select one: a. fasciculus gracilis b. corticospinal tract c. spinothalamic tract d. spinoreticular tract e. trigeminothalamic tract Feedback The correct answer is: corticospinal tract Question 2 Question text As the nervous system ages Select one: a. reflexes become faster. b. cutaneous sensation becomes more acute. c. blood pressure decreases. d. reflexes become slower. e. size and weight of the brain increases. The correct answer is: reflexes become slower. Question 3 Question text In short-term memory, Select one: a. information is retained for less than a second. b. the frontal lobe plays the most important role. c. current information is lost when new information is presented. d. there is increased synaptic activity by long-term potentiation. e. there is consolidation of information. Feedback The correct answer is: there is increased synaptic activity by long-term potentiation. Question 4 Question text Which of these activities is associated with the left cerebral hemisphere in most people? Select one: a. motor control of left side of the body b. mathematics and speech c. spatial perception d. recognition of faces e. musical ability The correct answer is: mathematics and speech Question 5 Question text Label area "D" on the cerebral cortex. Select one: a. visual cortex b. primary motor cortex c. primary somatic sensory cortex d. motor speech area (Broca area) e. sensory speech area (Wernicke area) Feedback The correct answer is: sensory speech area (Wernicke area) Question 6 Question text Label area "C" on the cerebral cortex. Select one: a. visual cortex b. primary motor cortex c. primary somatic sensory cortex d. motor speech area (Broca area) e. sensory speech area (Wernicke area) Feedback The correct answer is: motor speech area (Broca area)