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Chemistry Multiple questions




100) The central sulcus separates which regions of the cerebrum?;a) the parietal and occipital lobes;b) the pyramidal cells and the frontal lobes;c) the temporal and insular lobes;d) the sensory and motor areas;e) none of the above;101) The largest cerebral lobe is the __________ lobe.;a) insular;b) parietal;c) occipital;d) temporal;e) frontal;102) The parietal lobe is primarily used for;a) motor functions.;b) perception of visual stimuli.;c) perception of auditory stimuli.;d) sensory functions.;e) none of the above.;103) The visual cortex is located in the __________ lobe.;a) insular;b) occipital;c) temporal;d) parietal;e) frontal;104) The total surface area of the cerebral hemispheres is approximately;a) 2200 ft2;b) 2.5 ft2;Dr. Fickbohm;6;c) 2.5 cm;d) 2200 cm;e) 2.5 ft;105) The somatic motor association area, also called the premotor cortex, is;responsible for;a) involuntary motor skills.;b) subconscious, voluntary activity.;c) voluntary skeletal activity.;d) patterned, learned activity.;e) none of the above.;106) Which unique function of the brain occurs in the postcentral gyrus?;a) returns cerebrospinal fluid into the circulatory system;b) receives primary sensory information of touch, pressure, pain, taste, and;temperature;c) provides visceral motor responses, serving as center of the autonomic;nervous system;d) provides voluntary motor control to the skeletal muscles;e) none of the above;107) The anterior portion of the insula is responsible for;a) speech.;b) smell.;c) taste.;d) sight.;e) none of the above.;108) The general interpretive area is also known as;a) the gnostic area.;b) Wernicke's area.;c) Broca's area.;d) the prefrontal area.;e) more than one of the above.;109) Damage to which region of the cerebral cortex would impair a person's ability;to regulate the patterns of breathing required for speech?;a) the primary motor cortex;b) Broca's area (speech center);c) the postcentral gyrus;d) the general interpretive area;e) none of the above;110) The speech center;a) lies along the primary sensory cortex.;b) coordinates information from the secondary and special association;areas of the entire cortex.;c) usually occurs in the same hemisphere as the general interpretive area.;d) regulates the pattern of the understanding of words.;e) does all of the above.;111) What region of the brain might be damaged if a person is unable to interpret;associated words or commands even though individual words can be;comprehended?;a) the general interpretive area;b) the speech center;c) the prefrontal cortex;d) the frontal lobes;e) Damage to any of the above might cause the problem described.;112) Scanning data, electrical monitoring, and clinical observations have shown;that several cortical areas act as higher order integrative centers;a) that function more efficiently after a frontal lobotomy.;b) for complex sensory stimuli and motor responses.;c) in the frontal lobes of the cerebrum.;d) in the left cerebral hemisphere in all individuals.;e) in none of the above instances.;113) The primary motor area is part of (the);a) parietal lobe.;b) occipital lobe.;c) reticular formation.;d) frontal lobe.;e) none of the above.;114) Identification of familiar objects by touch, smell, taste, or feel occurs in;Anat 1: Unit 3 MCQB;a) the right cerebral hemisphere.;b) the left hemisphere in about 78 percent of the population.;c) the left cerebral hemisphere.;d) both cerebral hemispheres.;e) neither cerebral hemisphere.;Dr. Fickbohm;7;d) A and B;e) A, B and C;124) Projection fibers connect the cerebral cortex with;a) cortical areas in one gyrus with another.;b) cortical areas in the same lobe.;c) the diencephalon, brain stem, cerebellum and spinal cord.;d) A and B;e) A, B and C;115) Regarding the location of the categorical (dominant) and representational;(nondominant) hemispheres in the brain;a) right-handed people always have the same pattern of hemispheric;specialization.;b) the right hemisphere often controls complex motor patterns in artists and 125) The hippocampus;a) functions to control mood.;musicians.;b) is a tract of white matter that connects the fornix to the cingulate gyrus.;c) there may be a link between handedness and sensory and spatial;c) lies in proximity to the parahippocampal gyrus.;abilities.;d) lies in the lateral wall of the lateral ventricle.;d) some individuals have no hemispheric specialization.;e) has the attributes of B and D.;e) both B and C are true.;116) Crossover of information between cerebral hemispheres mainly occurs;through the;a) handedness of the individual.;b) corpus callosum.;c) internal capsule.;d) fornix.;e) B and C.;126) The tracts that lead from the amygdaloid body to the hypothalamus;a) are of unknown function.;b) may assist in memory consolidation.;c) may link memories to specific emotions.;d) may regulate changes in emotional state.;e) have none of the above atttributes.;117) What is the name of white matter fibers that connect adjacent gyri?;a) longitudinal fasciculi fibers;b) commissural fibers;c) association fibers;d) projection fibers;e) arcuate fibers;127) The limbic system;a) maintains consciousness.;b) establishes emotional states and related behavioral drives.;c) includes nuclei and tracts along the border between the diencephalon;and metencephalon.;d) induces an individual to go to sleep.;e) does none of the above.;118) Deep gray matter of the cerebrum is called;a) fissures.;b) the cerebral cortex.;c) cerebral nuclei.;d) projection fibers.;e) none of the above.;128) The limbic system includes all of the following except the;a) globus pallidus.;b) amygdaloid body.;c) dentate gyrus.;d) cingulate gyrus.;e) hippocampus.;119) The caudate nucleus and the lentiform nucleus are anatomically separated by 129) The fornix;(the);a) connects the parahippocampal gyrus with the thalamus.;a) fornix.;b) is present in only one cerebral hemisphere, typically the left.;b) corpus callosum.;c) contains many fibers that end in the caudate nucleus.;c) longitudinal fissure.;d) links the hippocampus with the hypothalamus.;d) internal capsule.;e) is an integral part of the reticular formation.;e) all of the above.;130) What is the connecting tract between the hippocampus and the hypothalamus?;120) Which cerebral nucleus is most lateral and lies immediately adjacent to the;a) corpus callosum;insula?;b) reticular formation;a) amygdala;c) brain stem;b) globus pallidus;d) fornix;c) caudate nucleus;e) both A and B;d) putamen;e) claustrum;131) Where is the headquarters of the reticular formation located?;a) myelencephalon;121) Which area of the basal nuclei is responsible for controlling appendicular;b) diencephalon;muscle tone?;c) telencephalon;a) globus pallidus;d) metencephalon;b) claustrum;e) mesencephalon;c) amygdaloid body;d) thalamus and hypothalamus;132) Which of the following is true of the reticular activating system?;e) caudate nucleus;a) Its output projects throughout the cerebral cortex.;b) Its level of activity is inversely related to a person's alertness.;122) Which of the following is not part of the basal nuclei?;c) It is always active, even when the cerebral cortex is inactive.;a) caudate nucleus;d) It is a discrete network of neural tissue.;b) claustrum;e) Both C and D are true.;c) internal capsule;d) globus pallidus;133) The state of consciousness of an individual is determined by;e) putamen;a) the level of activity in which the individual is engaged.;b) the number of external stimuli bombarding the individual's sense organs.;123) The central white matter of the cerebrum contains;c) whether or not the individual is interested in external events.;a) association fibers that interconnect cerebral cortex areas within the same;d) complex interactions between the brain stem and cerebral cortex.;hemisphere.;e) the individual's emotional state.;b) arcuate fibers that interconnect gyri within a lobe.;c) commissural fibers that interconnect the frontal lobe with other areas in 134) The normal states of consciousness of an individual;a) remain constant.;the same hemisphere.;Anat 1: Unit 3 MCQB;b) include delirium and dementia.;c) include the state of stupor.;d) cycle between alert and asleep each day.;e) do none of the above.;135) A conscious but unresponsive state with no evidence of cortical function is;a) stupor.;b) chronic vegetative state.;c) somnolence.;d) dementia.;e) none of the above.;136) What circumstances occurring during the birth process could cause cerebral;palsy?;a) Caesarian section;b) normal delivery of a full-term infant;c) decreased oxygen levels to the brain for more than five to ten minutes;d) birth after a longer than normal gestation period;e) No known factors cause or contribute to this problem.;Dr. Fickbohm;8;b) interconnecting with other CNS regions.;c) conducting activities of cranial nerves V and VIII.;d) interconnecting cerebellar hemispheres.;e) modifying respiratory center output.;145) The sternocleidomastoid and trapezius muscles are innervated by which;cranial nerve?;a) IX;b) XI;c) X;d) VII;e) XII;146) Cranial nerves that have autonomic components include;a) I, II, III.;b) VIII, XI, XII.;c) III, VII, IX, X.;d) IV, V, VI, VII.;e) none of the above combinations.;137) The activities of the nervous system, comprised of conscious thoughts, plans, 147) In which ways does the olfactory nerve (N I) differ from the other cranial;and actions;nerves?;a) may require instructions or modifications from the ANS to function;a) It contains somatic motor as well as autonomic components.;correctly.;b) It is made up of many small, slender fibers that pass through openings in;b) represent only a small portion of the activities of the nervous system.;the skull.;c) include the majority of nervous activity.;c) The olfactory tract is actually a part of the cerebrum, and not truly a;d) regulate all vital physiological functions.;nerve.;e) do both A and B.;d) Both B and C describe ways the olfactory nerve differs from other;cranial nerves.;138) The brain region that you would suspect to be damaged in a person who;e) It does not differ from the other cranial nerves in any significant way.;displayed violent or antisocial behavior would be the;a) cerebellum.;148) Which of the following apply to the cranial nerves?;b) premotor cortex.;a) They all connect directly to peripheral receptors or effectors.;c) primary sensory cortex.;b) They are components of the PNS that connect to the brain.;d) auditory association area.;c) They are motor only, from the brain to peripheral effectors.;e) prefrontal cortex.;d) They are all mixed nerves, with both sensory and motor functions.;e) None of the above apply to the cranial nerves.;139) The olfactory nerves enter the cranium through the;a) optic foramen.;149) All of the following are true of the optic nerve except;a) each optic nerve consists of about one million fibers.;b) olfactory bulbs.;b) it carries visual information from specialized sensory ganglia in the eyes;c) cribriform plate.;to the brain.;d) olfactory canal.;c) approximately half of the nerve fibers cross at the optic chiasm.;e) nasal conchae.;d) the optic tracts after the chiasm pass directly to the cerebral peduncles.;e) there are no exceptions, all of the above are true.;140) The primary motor cortex is connected with motor neurons in the brain stem;and spinal cord, and ascending sensory information is carried to the thalamus;150) The trigeminal nerve;by (the);a) transmits motor information only through its ophthalmic and maxillary;a) inferior colliculi.;branches.;b) cerebral peduncles.;b) provides sensory information only from the mandibular region.;c) red nucleus.;c) has motor neurons that originate on the pons.;d) tectum.;d) is the smallest of the cranial nerves.;e) none of the above.;e) does none of the above.;141) Cranial nerves III, IV, and VI all exit the cranium through (the);151) Which cranial nerves are responsible for eye function and movement?;a) inferior orbital fissure.;a) V, VII, VIII;b) internal acoustic meatus.;b) II, III, IV, VI;c) superior orbital fissure.;c) I, II, VII;d) optic canal.;d) IX, XI, XII;e) none of the above.;e) none of the above combinations.;142) Which is the only cranial nerve to leave the head and neck region?;152) Which cranial nerves have their nuclei housed in the pons?;a) V;a) IV, V, VI, VII;b) X;b) V, VII, VIII, IX;c) XII;c) V, VI, VII, VIII;d) VII;d) VII, VIII, IX;e) all of the above;e) IV, V, VII;143) Which of the following is not a branch of the facial nerve?;153) Which cranial nerve is associated with balance?;a) buccal;a) VI;b) temporal;b) IX;c) ophthalmic;c) XI;d) zygomatic;d) XII;e) cervical;e) VIII;144) Functions of the pons include all of the following except;a) housing nuclei for cranial nerves VI, VII, and IX.;Anat 1: Unit 3 MCQB;Dr. Fickbohm;9;154) If the trochlear nerve of the right eye were damaged, which movement would 164) Preganglionic fibers of the sympathetic nervous system that carry motor;the person be unable to make?;impulses to targets in the body wall or thoracic cavity synapse in a(n);a) rolling the eye upward and to the left (medially);a) celiac ganglion.;b) rolling the eye straight to the left (medially);b) intramural ganglion.;c) rolling the eye down and to the right (laterally);c) paravertebral ganglion.;d) looking straight upward;d) collateral ganglion.;e) looking straight downward;e) adrenal ganglion.;155) Swelling of the jugular vein as it leaves the skull could compress which of the 165);following cranial nerves?;a) V, VII;b) VIII, IX, XII;c) IX, X, XI;d) I, IV, V;e) II, IV, VI;166);156) Damage to which cranial nerve(s) would most render you unable to blink?;a) VIII, IX;b) V, VII;c) II;d) I;e) III;167);157) Damage to which cranial nerve(s) would block a person's ability to taste?;a) VII;b) VII, IX, X;c) IX, X, XI;d) IX;e) XII;Norepinephrine released from the sympathetic fibers is usually;a) reverberating.;b) excitatory.;c) inhibitory.;d) long lasting.;e) none of the above.;The sympathetic division of the ANS generally;a) prepares the body to deal with emergencies.;b) is called the "fight or flight" division.;c) stimulates tissue metabolism.;d) increases alertness.;e) is or does all of the above.;The parasympathetic division of the ANS generally does all of the following;except;a) promotes sedentary activities.;b) increases respiratory movements needed for digestion.;c) functions as the "rest and repose" division.;d) conserves energy.;e) there no exceptions, all of the above are parasympathetic functions.;158) The autonomic division of the nervous system directs;a) voluntary activity.;b) processes that maintain homeostasis.;c) conscious control of skeletal muscles.;d) behavior.;e) emotions.


Paper#16494 | Written in 18-Jul-2015

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