Cellular and Molecular Biology

Describe the diﬀerence between the posterior chamber and posterior cavity Posterior Chamber is between the iris and lens. Posterior Cavity is behind the lens. Describe the three steps of aqueous humor secretion and resorption (Slide 11) 1) Aqueous humor is secreted by the ciliary processes into the posterior chamber. 2) Aqueous humor moves from the posterior chamber, through the pupil, to the anterior chamber. 3) Excess aqueous humor is resorbed into the scleral venous sinous. Describe the structure and functions of the lens, ciliary muscles, and suspensory ligaments and how they change during distance vision and viewing nearby objects Deﬁne accommodation The process of making the lens more spherical to view close-up objects

BIOL | 168 | Cellular and Molecular Biology | assessment | Describe the diﬀerence between

Chapter_16_Quiz.docx-Chapter 16 Worksheet/Quiz – Due by

Chapter 13 Match the adult brain component to the embryonic development component it arises from D Cerebellum A Cerebrum B Epithalamus B Hypothalamus E Medullla oblongata C Midbrain D Pons B Thalamus A) Telencephalon B) Diencephalon C) Mesencephalon D) Metencephalon E) Myelencephalon The Reticular Formation is a functional brain system that has a motor component and a sensory component called the Reticular Activating System (RAS). The motor component helps regulate muscle tone via spinal cord connections, respiration, blood pressure and heart rate . The RAS processes visual , auditory , and touch stimuli to keep us in a mentally alert state. Consciousness is an awareness of sensation, voluntary control of motor activities as well as higher mental processes. Describe alertness: Highest state of consciousness, the individual is responsive, aware of self, and well-oriented o person, place, and time. What are the three types of memory? 1) Sensory Memory: when we form important associations based on sensory input from the environment 2) Short-Term Memory: characterized by limited capacity and brief duration 3) Long-Term Memory: exists for limitless periods of time Assign each following example to one of the three types of memories: Sensory You walk by a coﬀee-shop and smell the coﬀee aroma. STM You read this sentence. STM You meet Adam Sandler in Hawaii and spend the day together. LTM You dial your parent’s home phone number. In your own words, describe the Figure 13.30 (Model of Information Processing) and how the types of memory ﬁt together. Various sights, sounds, and smells are processed as sensory memory, most of which will be forgotten. Whatever we deem important enough will be delivered to STM. We must practice or think about this information (continually activating those neural circuits) to process, or encode, it as LTM. We need our hippocampus and amygdaloid body (both part of the limbic system) to do this. Afterward, we can retrieve the information at undetermined times in the future. Deﬁne encoding: conversion from STM to LTM – aka memory consolidation What brain structures are required for encoding? Amygdaloid body and hippocampus Where is long term memory stored? Usually in the corresponding association area Deﬁne the following: Tract: axons grouped into bundles in the CNS, areas of white matter Corpus Collosum: the largest of the white matter tracts and connects the hemispheres Homunculus: a representative map of either the motor cortex or somatosensory cortex Match the brain function to the correct lobe of the cerebrum A Motor Speech Area (Regulates breathing patterns and muscle movements for speech)

BIOL | 168 | Cellular and Molecular Biology | assessment | Chapter 13 Match the adult bra

Chapter_13_.docx-Chapter 13 Quiz List the ﬁve

Chapter_15_.docx.docx-Chapter 15 Quiz Deﬁne the major

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