14.  If an individual has an injury to the lumbar plexus of the spinal cord that causes a loss of        feeling & sensation (numbness) in the lower limbs but movement is normal, this could        reveal an injury to? a.   the spino-thalamic pathway at L2b.    the rubro-spinal pathway at L2c.    the tacto-spinal pathway at L2d.    the cortico-spinal pathway at L2e.    the vestibule-spinal pathway at L2

13.  Four of the five pathways listed below are descending motor pathways associated with the        “extra-pyramidal” system which involuntarily controls skeletal muscle. Which descending        motor pathway below is the only pyramidal system pathway listed? a.   vestibulo-spinal pathway originating in the cerebellumb.    cortico-spinal pathway originating in the primary motor cortexc.    rubro-spinal pathway originating in the cerebellumd.    tecto-spinal pathway originating in the mesencephalone.    reticulo-spinal pathway originating in the brain stem

12.  Sensory Inter-neurons connecting the spinal cord to the thalamus of the brain for conscious        awareness, are? a.   motor neurons originating in the primary sensory cortex b.    involved in descending motor pathwaysc.    2nd order neurons involved in SS conscious awareness pathways d.    involved in sensory pathways originating in the primary motor cortexe.    involved in the pyramidal system which controls voluntary contraction of skeletal muscle   

18.  Name the ascending pathway that carries sensory information for pain, touch, pressure,        vibration & temperature to the thalamus and then to the sensory cortex? a.   spino-cerebellar pathwayb.    spino-thalamic pathwayc.    cortico-spinal pathwayd.    tecto-spinal pathwaye.    rubro-spinal pathway

30. The autonomic division of the nervous system is vitally important because it directs? a.   major automatic, subconscious vital processes that maintain body homeostasis & lifeb.    voluntary motor activity of skeletal musclec.    conscious control of skeletal muscle contractiond.    subconscious or involuntary control of skeletal musclee.    sensory ascending commands from the primary sensory cortex to control vision   

16. Voluntary descending or motor control of skeletal muscles is provided by the? a.   reticular formation of the brain stemb.    pyramidal system which originates in the motor homunculus of the motor cortexc.    extra-pyramidal system below the level of the motor cortexd.    autonomic centers in the hypothalamuse.    ascending spino-thalamic tracts that terminate in the primary sensory cortex 

21.  Four of the five items listed below are major descending somatic motor (SM) pathways of        the somatic nervous system to skeletal muscles? Which pathway listed below is NOT a        descending motor pathway? a.   cortico-spinal pathwayb.    rubro-spinal tractc.    tecto-spinal tractd.    reticulo-spinal tracte.    spino-thalamic pathway  

20. What is the major processing center for subconscious visceral sensory (VS) information       located in the least complex region of the brain stem ? a.   red nucleus of the mesencephalonb.    arbor vitae of the cerebellumc.    autonomic ganglia of the spinal cordd.    solitary nucleus of the medulla oblongatae.    thalamus of the diencephalon

Which two decades did you choose?

At a 4-year university a statistics professor was interested in the demographics of all introductory statistics students. One characteristic studied was the student’s year in school.  The table below gives the probability model for X, the year in school for an introductory statistics student. X 1 2 3 4 Probability  0.08 0.60 0.24 0.08 What year in school can a professor expect a student to be?