HESI - Anatomy & Physiology practice test exam 2023 with 100% correct answers
hat are the four fundamental tissues ? Epithelial,connective,muscle,nervous Epithelial Tissue ? Cover, line, and protect the body and its internal organs. Connective tissue ? Is the framework of the body which provides support and structure for the organs. Nerve Tissue ? Composed of neurons and connective tissue cells (Neuroglia). Muscle Tissues ? Have the ability to contract or shorten Function of the nucleus ? Carries DNA Function of Ribosomes ? Important for the synthesis of proteins Mitosis ? DNA is duplicated and distributed evenly between two daughter cells. Meiosis ? Cell division where 46 chromosomes are reduced to 23 so they zygote has the correct number of chromosomes. What is the largest organ in the body ? Skin How many layers does the skin consist of ? Two : Dermis & Epidermis Epidermis ? The outermost protective layer of dead keratinized epithelial cells. Dermis ? The underlying layer of connective tissue with blood vessels, nerve endings, and the associated skin structures. What are the layers of the Epidermis from outer layer to inner layer ? Stratum corneum, stratum lucidum, stratum granulosum, and stratum germinativum (Inner most layer). What are the two parts of the Germinativum (Innermost layer of the Epidermis) ? Stratum basale & Stratum spinosum
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