27. Which of the following statements about the ventricles of the brain is false? a. they are lined by ependymal neurons b. they are filled with cerebrospinal fluid c. they are all interconnected to each other d. there are 4 ventricles in the brain e. none of the above

1. Neurons traveling in descending tract of the white matter are A. sensory neurons B. motor neurons C. association neurons D. interneurons

The purpose of the blood-brain barrier includes each of the following except:   ____________ .    a. protect neurons b. remove toxins c. produce meninges  d. prevent bacterial toxins from entering  e. provide nutrients and oxygen

1. Bobby was hiking through the forest until he stopped and smelled the scent of a campfire. If we were to look at his brain, where would the olfactory nerve project in the amygdala? a. Basal nucleus b. Medial nucleus c. Lateral nucleus d. Central nucleus 2. How would you define fear? a. A direct response to a pleasant memory b. One of the basic emotions c. A physical reaction to pain d. A phantom sensation 3. How frequent is SAD a. One in two people has SAD b. One in four people has SAD c. One in approximately eight people has SAD d. One in approximately fifty people has SAD

46 A patient comes in and complains about the inability to stop sneezing. The patient sneezes between almost every word and states the problem has been occurring ever since they were in an accident 3 days ago. What brain STRUCTURE may have been damaged? Select one: O a. Medulla Oblongata O b. Pons O c. Cerebellum o d. Hippocampus What type of cell provides structural support for synapses? Select one: O a. Neurons O b. Microglia Oc. Astrocytes o d. Terminal Buttons 48 You want to view Dopamine cells in the mouse brain. Which of the below are viable options to do this? Select one or more: O a. Cryogenic Blockade O b. Transgenic Mice O c. Immunohistochemistry (IHC) O d. Functional Magnetic Resonance Imaging (FMRI) O e. Extracellular Recording O f. Knock-out mice

22 ut of bus page Which of the following statement is NOT true? Select one: a. Falx cerebri is formed by the dura mater b. each hemisphere contain one lateral ventricle c. Deep to the cerebral white matter, the projection fibers does not form a compact bundle called the internal capsule d. the superficial part of cerebrum is formed by cell bodies e. cerebrum is largest part of brain Next page

Parasympathetic preganglionic neurons: Select one: a. Are much shorter than the postganglionic neurons b. Originate from all the thoracic segments of the spinal cord C. Are more numerous than the postganglionic neurons d. Secrete same neurotransmitter as the postganglionic neurons

31) The diencephalon includes thea. thalamus and hyPothalamus.b. pons and medulla.c. cerebral cortex and cerebellum. d. parietal and occipital lobes.

1. Diazepam is a drug that stimulates the activity of GABA receptors in the brain. If a person was having an epileptic seizure, how would diazepam affect the seizure? 2. During a surgical procedure, ananesthesiologist administers to the patient an inhaled anesthetic agent that opens Cl- channels in the postsynaptic membranes of neurons of the brain. Explain why this would put the patient “to sleep” for the duration of the surgical procedure. 3a. Jack places his foot on a piece of broken glass. He immediately lifts his leg away from the glass without losing his balance. What reflex response has occurred? How does he manage to maintain his balance?. 3(b) Which cranial nerves would be affected by a drug that stimulates the parasympathetic nervous system? Predict potential adverse effects that one might experience.

Regarding the gray matter in the spinal cord, all of the following are correct EXCEPT which one? A. Consists of neurons, neuronal processes, and neuroglia B. Butterfly or H-shaped C. Categorized into columns and laminae D. Ratio of gray to white matter is least at the cervical and lumbar regions Fogh of the 10 Rexed laminae involved in sensory or motor pathways