BIO 255 Exam 1.1 Questions and answers

BIO 255 Exam 1.1 Questions and answers surface anatomy refers to: study of internal structures as related to overlying skin Which best summarizes the relationship of anatomy to physiology? form follows function Advertisement Tissues are composed of: cells Which is one role of the respiratory system? allows gas exchange with the environment Which is one role of the endocrine system? secretes hormones to maintain homeostasis Which is one role of the lymphatic system? drains intercellular spaces The anatomical position is characterized by all of the following except: palms turned posteriorly Which term means "on the same side"? ipsilateral Which term means "on the opposite side"? contralateral The midsaggital plane divides the body: into equal right and left sides Which of these is NOT part of the dorsal cavity? thoracic cavity Advertisement The urinary bladder is located in which abdominopelvic region? hypogastric Which is NOT a primary function of cell plasma membranes? energy storage Cell junctions anchoring cells together are: desmosomes Organelles are found in the: cytoplasm Which of these is a cellular inclusion but not an organelle? melanin Which is found in the cell nucleus? chromosomes (DNA) Which would be diploid? neurons Cleavage as part of embryonic development is distinctive because it involves: cell division by mitosis with little or no growth between successive divisions Fertilization generally occurs in the: uterine tubes Derivatives of the mesoderm include: -blood and lymph vessels -muscle From the 9th week of pregnancy until birth, the developing human is called a(n): fetus The cell synthesizes the enzymes necessary for mitosis during the ___ stage of the cell cycle. G2 Chromosomes align at the cell equator during: metaphase You can move your bones by using ____ tissues. muscle Which tissue is best suited for allowing diffusion? simple squamous epithelium Which tissue has scant matrix and droplets of triglyceride stored within the cells? This tissue allows storage of energy for future use..... adipose loose connective tissue Which is composed of striated unbranched multinucleated cells under voluntary control? skeletal muscle An exocrine gland that accumulates its secretion in a cell"s cytoplasm, with the cell bursting to release the secretion, is a: holocrine gland Which membrane is composed of keratinized squamous epithelium with dermis connective tissue beneath? cutaneous membrane Which is NOT a function of the skin? major excretory organ Which skin layer is vascular and innervated? dermis Which type of glands produce perspiration in the axillary area, sometimes in response to stress? apocrine sweat glands Nondisjunction during meiosis can cause: games with too few or too many chromosomes During what weeks of fetal development does the body gain a lot of weight, eyebrows and eyelashes appear and eyelids open? weeks 21-38 Which type of connective tissue is found in embryonic skeleton? hyaline cartilage The parietal pleura is the serous membrane lining the thoracic cavity Which structure tags proteins so they are delivered to their proper location? golgi body The cell makes DNA during the ___ stage of the cell cycle. G1, S phase A tissue bringing a stimulus to your stomach causing it to churn and mix the food you have eaten would be a(n) ____ tissue. nervous Many layers of cells, with thin flat cells at the apical surface, comprise simple squamous Implantation of the blastocyst is the result of all of the following except PHAGOCYTOSIS BY THE TROPHOBLAST CELLS Derivatives of the ectoderm include epithelium of the pituitary and pineal glands Which skin derivative is found only in the epidermal layer and not surrounded be another skin layer? none In instances with elevated blood supply, irritation can promote hair growth. true