Bio201IH Exam 4: Fall 2021 1. Which of the following brain areas coordinate head and eye movements when we visually follow a moving object? a. pneumotaxic
... [Show More] center b. superior colliculi c. inferior colliculi d. hypothalamus e. occipital cerebral cortex 2. Which type of brain waves are seen when a person is concentrating on solving a problem? a. gamma waves b. delta waves c. theta waves d. beta waves e. alpha waves 3. Which part of the brain is involved in thirst sensations? a. temporal lobe b. cerebral cortex c. hypothalamus d. pons e. cerebellum 4. Which of the following is the central layer of the meninges? a. dura mater b. arachnoid mater c. alma mater d. pia mater e. doesit mater 5. Which of the following landmarks separates the cerebral hemispheres? a. transverse cerebral fissure b. central sulcus c. tentorium cerebelli d. septum pellucidum e. longitudinal fissure 6. is a division of labor in which each hemisphere has unique abilities not shared by its partner. a. lateralization b. hemispherical association c. hemispherication d. cortical association 7. The vital centers for the control of heart rate, respiration, and blood pressure are located in the . a. thalamus b. cerebellum c. midbrain d. medulla oblongata e. hippocampus8. Which of the following is not one of the major regions of the brain stem? a. medulla oblongata b. midbrain c. cerebellum d. pons 9. Which of the following is a protective mechanism that helps maintain a stable environment for the brain? a. pia mater b. CSF c. blood brain barrier d. dura mater e. reticular activating system 10. Fibers that connect gray matter between the two cerebral hemispheres are called . a. associations b. commissures c. nuclei d. projections e. ganglia 11. To understand what we see and hear we use areas of the brain called . a. association areas b. primary sensory areas c. tracts d. basal nuclei e. reticular formation 12. The region of the brain that allows us to understand language is . a. Broca’s area b. the hippocampus c. the amygdala d. basal nuclei e. Wernicke’s area 13. A shallow groove on the surface of the cortex is called a . a. furrow b. sulcus c. fissure d. gyrus 14. All of the following are factors in transferring STM to LTM except: a. association b. lateralization c. emotion d. repetition 15. Cerebrospinal fluid is absorbed back into the blood by the . a. choroid plexus b. arachnoid villi c. pia mater d. falx cerebri16. Which type or receptor informs your brain about body movement? a. chemoreceptors b. photoreceptors c. nociceptors d. proprioceptors e. triceptors 17. Your breathing is controlled by a nerve that innervates your diaphragm. Which plexus does it arise from? a. sacral plexus b. brachial plexus c. lumbar plexus d. cervical plexus e. thoracic plexus 18. Fast adapting receptors (like for touch pressure and smell) are called: a. tonic receptors b. threshold receptors c. phasic receptors d. sensory receptors e. downfield receptors 19. A nerve that carries autonomic signals away from the CNS is classified as a. somatic afferent b. somatic efferent c. visceral afferent d. visceral efferent e. visceral somatic 20. In a reflex arc, the transmits impulses to the CNS. a. sensory neuron b. receptor c. effector d. integration center e. efferent neuron 21. The process by which sensory receptors convert stimuli to action potentials is called a. amplification b. transduction c. tonification d. translation e. conversion 22. All of the following are true except a. There are 7 cervical spinal nerves b. There are 12 thoracic spinal nerves c. There are 5 lumbar spinal nerves d. There are 5 sacral spinal nerves e. There is 1 coccygeal spinal nerve23. Nerve plexuses are formed from a. white rami b. gray rami c. dorsal rami d. ventral rami e. thoracic spinal nerves 24. The muscle fiber or gland cell that responds to efferent impulses is known as the a. motor neuron b. receptor c. sensory neuron d. integration center e. effector 25. If you step on something sharp, and you pull your foot away quickly, what reflex occurs so that you can remain standing? a. withdrawal reflex b. stretch reflex c. Golgi tendon reflex d. crossed extension reflex e. patellar reflex 26. Nociceptors respond to what type of stimulus? a. pressure b. light touch c. stretch d. pain e. light 27. All of the following are components of a nerve except a. axons b. myelin c. endoneurium d. ganglia e. perineurium 28. Nerves that innervate our upper limb arise from the . a. cervical plexus b. brachial plexus c. lumbar plexus d. cutaneous nerves e. sacral plexus 29. Hitting the patellar tendon to get a knee-jerk, is an example of a reflex. a. crossed extension reflex b. flexor reflex c. Golgi tendon reflex d. stretch reflex e. visceral reflex30. All of the following except the nerve begin or end in the eye orbit. a. optic b. accessory c. oculomotor d. abducens e. trochlear 31. The parasympathetic division of the ANS is also called the division. a. thoracolumbar b. lumbosacral c. thoracosacral d. craniosacral e. craniolumbar 32. The only place in the autonomic nervous system where norepinephrine is release is a. by the preganlionic sympathetic neuron b. by the preganlionic parasympathetic neuron c. is at the target organ by the postganglionic sympathetic axon d. is at the target organ by the postganglionic parasympathetic axon 33. All preganglionic autonomic fibers release at their synaptic terminals. a. norepinephrine b. epinephrine c. acetylcholine d. monoamine oxidase e. muscarine 34. Approximately 90% of the parasympathetic outflow is provided by the a. vagus nerve b. sciatic nerve c. splanchnic nerves d. white rami e. pelvic nerves 35. Nicotinic receptors respond to a. acetylcholine b. norepinephrine c. seratonin d. dopamine 36. All of the following “D”s describe the effects of the parasympathetic nervous system except: a. digestion b. defecation c. diuresis d. deep breathing37. Which branch of the ANS causes the bronchioles to dilate? a. craniolumbar b. asymptomatic c. parasympathetic d. sympathetic e. thoracosacral 38. The postganglionic axon of the sympathetic neuron leaves the sympathetic chain ganglia and re-enters the spinal nerve by the a. gray ramus b. white ramus c. dorsal ramus d. ventral ramus e. splanchnic ramus 39. The sympathetic chain ganglia are located a. inside the spinal cord b. parallel to the brainstem c. inside the vertebral column d. on either side of the spinal column e. in the subarachnoid space 40. The autonomic nervous system innervates all of the following except a. cardiac muscle b. skeletal muscle c. smooth muscle d. salivary glands e. blood vessels 41. Sympathetic nerve fibers reach sweat glands and blood vessels of the skin by a. splanchnic nerves b. spinal nerves c. sympathetic nerves d. the vagus nerves e. afferent nerves 42. Which of the following statements is true? a. Sympathetic tone maintains a resting heart rate of 70-80 beats/minute. b. Parasympathetic tone maintains a normal resting blood pressure by relaxing blood vessels c. Sympathetic tone maintains a normal resting blood pressure by relaxing blood vessels d. Parasympathetic tone maintains a resting heart rate of 70-80 beats/minute. e. The ANS doesn’t work very well and is actually pretty lazy. 43. The ANS is a system. a. somatic sensory b. somatic motor c. visceral motor d. visceral sensory44. The parasympathetic division of the ANS is responsible for all of the following except a. decreased respiratory rate b. contraction of the urinary bladder c. constriction of the pupil d. increased stomach secretions e. sweat gland secretion 45. In the ANS, the extends to the target tissue. a. white ramus b. gray ramus c. sympathetic chain ganglia d. preganglionic axon e. post ganglionic axon [Show Less]