Question 1 1 pts Consider all different types of epithelial tissues. Which of the following statements is NOT true? Pseudostratified epithelia are simple epithelia In stratified epithelia, all the cells are connected to the basal lamina Simple squamous epithelia are found in capillaries, and the smallest chambers of the lungs Simple epithelia are formed by single layers of cells, and they can be squamous, cuboidal or columnar Question 2 1 pts Regarding the kidney, which of the following statements is NOT true? Cells in the tubule have a small window of time to recapture these materials The portion immediately after the Bowman's capsule is called proximal tube, and it is where most of the absorption takes place The tight junctions limit the diffusion of materials through the spaces between cells, so these cells transport the valuable material out of the lumen either by diffusion, or active transport The nephron presents a stratified epithelium
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1) Which of the following cells in a healthy adult human show the highest turnover? A. Neurons of the hippocampus B. Epithelial cells of the urinary tract C. Hepatocytes of the liver D. Epithelial cells of the small intestine E. Neutrophils of the blood 2. Indicate true (T) and false (F) statements below regarding the pattern of cell proliferation in the epithelium that forms the lining of the small intestine. Your answer would be a four-letter string composed of letters T and F only, e.g. TTTT. - New epithelial cells are constantly born throughout the epithelial sheet, mostly at the villi. ( ) - Every type of intestinal epithelial cell is eventually discarded into the gut lumen where they die. ( ) - There is a net movement of cells from the bottom of the crypts up toward the tip of the villi. ( ) -The majority of intestinal epithelial cells have packed microvilli on their apical surfaces. ( )
Sri K.
Which of the following is not a characteristic of squamous epithelium? A) Flattened cells B) Single layer of cells C) Adapted to facilitate the diffusion of substances D) Contain microvilli Assertion: Only squamous epithelium takes part in the transport of substances Reasoning: Squamous epithelial tissue forms a permeable membrane, so it selectively transports substances. A) Assertion is correct but reasoning is incorrect B) Assertion is incorrect but reasoning is correct C) Both are correct D) Both are incorrect
Madhur L.
1) Which of the following describes a tissue? a) smallest living units in the human body b) group of organs working together c) group of cells similar in structure and function d) group of related organs which share a common function 2) Cell junctions between cells protect the cells from bacteria and viruses that have infected the body. a. True b. False 3) Which of the following characteristics are common to all epithelia? a) highly vascular (well supplied with blood vessels) b) have no nerve supply c) do not divide very well d) have a free (apical) surface 4) Epithelial tissue containing flat cells arranged in multiple layers would be classified as a) stratified squamous. b) stratified cuboidal. c) simple squamous. d) simple columnar. 5) Which type of epithelial tissue is correctly matched with its function? a) simple squamous - protection b) stratified columnar - absorption c) simple cuboidal - secretion d) stratified squamous - diffusion 6) Which type of connective tissue forms tendons, ligaments, and aponeuroses? a) dense regular connective tissue b) areolar c) fibrocartilage d) reticular connective tissue 7) Mucous membranes cover the outer surface of organs and line body cavities that do not open to the exterior of the body. a. True b. False 8) Which membrane lines the cavities of some joints? a) mucous membranes b) synovial membranes c) serous membranes d) cutaneous membrane 9) All muscle tissue is specialized to generate force. a. True b. False 10) Which type of muscle tissue is found in the walls of hollow organs such as blood vessels, air passages, and the digestive tract? a) cardiac muscle b) skeletal muscle c) smooth muscle d) both skeletal and smooth muscle
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