Notes in 📝 Junquiera's AYK

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Published	01/14/2024	Functions of the basement membrane include which of the following?a. Contractility b. Molecular filtering c. Active ion transport d. Excitability e. M…
Published	01/14/2024	Using immunohistochemistry, a population of cells is shown to be positive for the protein connexin. From this, we can infer that the cells a…
Published	01/14/2024	An individual genetically unable to synthesize normal occludin is likely to have epithelia with defective regulation in which of the followi…
Published	01/14/2024	An intermediate filament protein found in cytoplasm of most epithelial cells is which of the following?a. Actin b. Vimentin c. Laminin d. Myosin e. Ke…
Published	01/14/2024	Which of the following cellular features is used in naming types of epithelia?a. Shape of cells in the basal layer b. Number of cell layers c. Pr…
Published	01/14/2024	The release of lipid droplets from cells is which type of secretion?a. Merocrine b. Serous c. Apocrine d. Mucous e. Holocrine
Published	01/14/2024	Exocrine glands in which the acini all produce a secretion of heavily glycosylated, hydrophilic proteins are an example of which type of gla…
Published	01/14/2024	With a 5-year history of chronic respiratory infections, a 23-year old, non-smoking man is referred to an otolaryngologist. A bronchial biopsy in…
Published	01/14/2024	An 11-month-old girl is referred to a pediatric gastroenterology clinic due to a history of generalized weakness, slow growth, and refractor…
Published	01/14/2024	A 42-year-old woman of Mediterranean descent presents with multiple oral blisters and a few cutaneous blisters on her back and buttocks. The superfici…
Published	01/14/2024	Which of the following connective tissue components is located in the ECM but not in the ground substance?a. Collagen bundles b. Fibronectin c. GAGs d…
Published	01/14/2024	What cells numerous in loose connective tissue are filled with secretory granules and stain with metachromasia?a. Macrophages b. Mast cells c. Fibrocy…
Published	01/14/2024	What is the first step of collagen production that occurs after the protein undergoes exocytosis?a. Cross-linking of collagen fibrils with a short-lin…
Published	01/14/2024	What is an important part of the role played by macrophages during maintenance and renewal of strong extracellular fibers in connective tissue?a. Stor…
Published	01/14/2024	Sulfated GAGs are important constituents of what extracellular structures?a. Hyaluronan b. Elastic fibers c. Type I collagen d. Proteoglycans e. Multi…
Published	01/14/2024	Which of the following contains binding sites for integrins and is an important part of the ECM in both loose connective tissue and dense irregular co…
Published	01/14/2024	Dense regular connective tissue typically involves which of the following features?a. Contains mostly synthetically active fibroblasts b. Contains muc…
Published	01/14/2024	Research scientists at a small biotech firm are investigating new methods of controlling the growth and metastasis of malignant cells in patients diag…
Published	01/14/2024	A 36-year-old man is referred by his family physician to the pulmonary clinic. He complains of shortness of breath following physical activity and dec…
Published	01/14/2024	A 33-year-old homeless woman has been living in an abandoned building and eating dried meat and bread from the dumpster behind a delicatessen. She smo…
Published	01/14/2024	White adipocytes are derived developmentally from what precursor cells?a. Monocytes b. Fibroblasts c. Mesenchymal cells d. Brown adipocytes e. Mast ce…
Published	01/14/2024	What are the relatively large particles formed in the intestinal epithelial cells and rich in ingested lipids?a. Fatty acids b. Chylomicrons c. Glycer…
Published	01/14/2024	What substance, released from the adrenal gland and some autonomic neurons, increases lipolytic activity in white adipocytes?a. Leptin b. Insulin…
Published	01/14/2024	What is the most important form of lipid storage in both white and brown adipocytes?a. Free fatty acids b. Cholesterol c. Chylomicrons d. Glycerol e. …
Published	01/14/2024	Important target cells of leptin are found in which organ?a. Small intestine b. White adipose tissue c. Large intestine d. Hypothalamus e. Brown adipo…
Published	01/14/2024	The hormone-sensitive lipase in the cells of adipose tissue acts primarily on what substrate?a. Glucose b. Free fatty acids c. Glycerol d. Triglycerid…
Published	01/14/2024	Applied to adipocytes, the term “multilocular” refers to which of the following?a. The large number of small cytoplasmic lipid droplets b. The prolife…
Published	01/14/2024	Fully differentiated white adipocytes are large cells, typically having diameters of approximately what size?a. 5 μm b. 10 μm c. 100 μm d. 500 μm e. 1…
Published	01/14/2024	Ten days after birth, a full-term newborn boy develops firm, erythematous nodules, and plaques over his trunk, arms, buttocks, thighs, and cheeks. His…
Published	01/14/2024	A 44-year-old woman of African ancestry visits her family physician for a physical examination at the urging of her husband. She has no current compla…
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