Week 2- Weekly Review

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School

University Of Arizona *

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350

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Biology

Date

Jan 9, 2024

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Uploaded by CaptainRockCoyote38

Score for this attempt: 20 out of 20 Submitted Jan 2 at 10:11am This attempt took 17 minutes. Question 1 1 / 1 pts Proliferation is the ____. production of new cells movement of primitive neurons and glia formation of dendrites and an axon insulation process that occurs on some axons Question 2 1 / 1 pts How does an epigenetic change differ from a mutation? An epigenetic change is a duplication or deletion of part of a gene. An epigenetic change alters gene activity, whereas a mutation is a change in a DNA molecule. An epigenetic change alters more than one gene at a time. An epigenetic change is beneficial, whereas a mutation is harmful.

Question 3 1 / 1 pts An autosomal gene is a gene ____. on the X chromosome on the Y chromosome on any chromosome other than the X or Y chromosome that shows no evidence of crossing over Question 4 1 / 1 pts The formation of the specialized gap between neurons is called ____. synaptogenesis differentiation migration fusion Question 5 1 / 1 pts Changes in single genes are called ____.

alterations mutations differentiations adaptations Question 6 1 / 1 pts Light energy converts 11-cis-retinal to ____. opsins unstable proteins all-trans-retinal sodium Question 7 1 / 1 pts Branches of the optic nerve go directly to what areas of the brain? Lateral geniculate and cerebral cortex

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Superior colliculus and cerebral cortex Lateral geniculate and superior colliculus Prefrontal cortex and occipital lobe Question 8 1 / 1 pts The optic nerve sends most of its information to the _____. V1 of the occipital lobe V1 of the thalamus lateral geniculate nucleus of the thalamus medial geniculate nucleus of the occipital lobe Question 9 1 / 1 pts The optic nerves from the right and left eye initially meet at the ____. optic chiasm lateral geniculate nucleus

hypothalamus cerebral cortex Question 10 1 / 1 pts Someone with prosopagnosia has difficulty with ____. naming colors seeing items located in the left visual field recognizing faces processing information from more than one sensory modality at a time Question 11 1 / 1 pts To measure fear or anxiety in both humans and nonhumans, researchers measure variations in an individual’s ____. rate of eyelid blinking response to a flickering light salivary reflex

startle reflex Question 12 1 / 1 pts After damage to the amygdala, what happens to a rat’s startle reflex? The rat shows no startle reflex. The rat’s startle reflex does not vary from one situation to another. The rat shows an exaggerated startle reflex. The rat shows a startle reflex only when in the presence of danger signals. Question 13 1 / 1 pts Alberta has Urbach-Wiethe disease. As a result, she has damage to her ____. amygdala and cannot process fear amygdala and cannot process sadness hippocampus and cannot process fear hippocampus and cannot process sadness

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Question 14 1 / 1 pts When people with damage to the amygdala are shown pictures of fearful faces, they _____. do not focus on the face at all seem to freeze their attention on the eyes move their focus of attention randomly focus on less-informative facial features Question 15 1 / 1 pts Who is most likely to have the strongest startle reflex? Malia, who is depressed Dane, who is happy Janice, who is sleepy Antonio, who has PTSD Question 16 1 / 1 pts

In people suffering from post-traumatic stress disorder, the startle response is ____. generally absent generally weaker than in other people the same as in other people generally stronger than in other people Question 17 1 / 1 pts Across studies involving amygdala damage, the general conclusion seems to be that the amygdala is important for ____. focusing attention on emotional stimuli the expression but not interpretation of emotion the interpretation but not the expression of emotion autonomic but not other processes associated with emotion Question 18 1 / 1 pts Lanny has damage to his amygdala. He now has trouble with _____.

understanding spoken language learned fears regulating his body temperature learning new tasks Question 19 1 / 1 pts Charlene is participating in a research study where she is looking at pictures of unpleasant emotional facial expressions. While looking, she would have increased activity in her _____. frontal lobe hippocampus pons amygdala Question 20 1 / 1 pts An individual is more likely to experience the startle reflex when they are _____.

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sad tense tired happy Quiz Score: 20 out of 20

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