Histology MCQ PDF

HISTOLOGY Multiple Choice Questions and Answers 1. Within the cell, DNA is found in the nucleus. Which of he other structures within the cell listed below normally contains DNA as well? A. perioxisome B. mitochondrion C. Golgi Apparatus D. smooth ER E. none of the above Ans: B 2. Steroid synthes...

HISTOLOGY Multiple Choice Questions and Answers 1. Within the cell, DNA is found in the nucleus. Which of he other structures within the cell listed below normally contains DNA as well? A. perioxisome B. mitochondrion C. Golgi Apparatus D. smooth ER E. none of the above Ans: B 2. Steroid synthesis occurs within which of the following structures? A. peroxisome B. mitochondrion C. golgi apparatus D. smooth ER E. none of the above Ans: D 3. During catabolic activity, the potential for oxidative insult can be considerable. Which of the following structures within the cell functions primarily to reduce this potential insult? A. peroxisome B. mitochondrion C. golgi apparatus D. smooth ER E. none of the above Ans: A 4. Which of these structures is responsible for the production of protein? A. peroxisome B. mitochondrion C. Golgi Apparatus D. smooth ER E. none of the above Ans: E 5. Of the following cellular modifications associated with epithelia, which provides a morphological barrier between adjacent cells? A. glycocalyx B. macula adherens C. zonula adhernens D. nexus E. zonula occuldens Ans: E 6. Within the extracellular matrix of connective tissues, this structure consists of small fibers that normally remain unbundled and froms a useful enviornment for cells of defense. A. Collagen type I B. Collagen type II C. Collagen type III D. Collagen type IV E. elastic fiber Ans: C 7. The structure (fiber) and environment described in the previous question mostly occurs in: A. loose connective tissue B. dense irregular connective tissue C. dense regular connective tissue D. cartilage E. bone Ans: A 8. Among the defending cells of connective tissue, the one that forms antibodies and provieds humoral immunity is the A. T Lymphocyte B. plasma cells C. mast cell D. histiocyte E. none of the above Ans: E 9. Antibodies known as IgE become attached to this cells surfaces as specific receptors with in there promotes the allergic response. A. melanocyte B. fibrocyte C. mast cell D. macrophage E. B Lymphocyte Ans: C 10. The yellow coloration sometimes associated with adult fat is due to the presence of numerous lipid droplets. A. true B. false Ans: B 11. Cement lines are regularly formed in A. cancellous bone B. osteonal bone C. trabecular bone D. immature bone E. none of the above Ans: B 12. The length of the long bone is primarily dye to the interstitial growth of the cartilaginous plate. A. True B. False Ans: B 13. Of the extracellular matrices in following tissues, which would most likely have collagen type II? A. bone B. fibrocartilage C. dense irregular connective tissue D. dense regular connective tissue E. hyaline cartilage Ans: E 14. What is the function of hyaline cartiledge. A. to protect and support the body and assist in motion B. to store lipid C. to transport a variety of substances D. to protect and support organs Ans: D 15. What is the function of adipose tissue A. to protect and support the body and assist in motion B. to store lipid and cushion organs C. to transport a variety of substances D. to protect and support organs Ans: B 16. What is the function of blood? A. to store lipid and cushion organs B. to protect and support organs C. to transport a variety of substances D. to protect and support the body and assist in motion Ans: C 17. Skeletal muscle creates heat. A. True B. False Ans: A 18. The function of smooth muscle is to A. create heat B. propel blood into the circulatory system C. propel food through the GI tract D. cushion organs Ans: C 19. What are the three types of epithelial cell junctions A. Tight, Gap, Macula Adherens B. Macula Adherens, Junctions, Gap C. Gap, Loose, Tight Ans: A 20. What are the 4 types of tissues found in the Body? A. Blood, Nerve, Epithelial, Skeletal B. Epihelial, Nerve, Muscle, Bone C. Epithelial, Nerve, Connective, Muscle D. Connective, Bone, Skin, Blood Ans: C 21. This type of Epithelim cell has one layer and flat like eggs A. Stratified Cuboidal B. Simple Cuboidal C. Simple Columnar D. Simple Squamous Ans: D 22. What is this type of epithelial cell? Location-Glands, ducts; portions of kidey tubules; thyroid glands Function-Limited protection, secretion, absorption A. Simple Cuboidal B. Simple Squamous C. Simple Columnar D. Stratified Cuboidal Ans: A 23. This type of epithelial tissue lines the nasal cavity, trachea and bronchi A. Transitional Epithelium B. Pseudostratified Ciliated Columnar Epithelium C. Stratified Squamous Epithelium D. Stratified Columnar Epithelium 24. This type of tissue covers exposed surfaces, lines internal passageways & chambers, and forms glands A. Skin B. Connective Tissue C. Epithelial Tissue D. Nerve Tissue Ans: C 25. Connexins are the proteins found in which plasma membrane specialisation? A. Desmosomes B. Gap Junctions C. Microvilli D. Tight Junctions Ans: B 26. Histologically, the ascending colon, the transverse colon and the descending colon are indistinguishable from one another. A. True B. False Ans: A 27. Which of the following is NOT primarily composed of connective tissue? A. Spinal cord B. Pubic symphysis C. Ligament D. Areolar tissue E. Organ capsule Ans: A 28. What are the valves which regulates the flow of bile into the intestine? A. Rokitansky-Aschoff sinuses B. Ducts of Luschka C. Duct of Wirsung D. Ampulla of Vater E. Sphincter of Oddi Ans: E 29. What do you call a tissue composed of a conglomeration of cells which are tightly packed together, yet which does not have a free surface? An example of such a tissue would be the parenchyma of the adrenal gland. A. Epithelioid tissue B. Mesothelium C. Endothelium D. Transitional E. Pseudostratified Ans: A 30. What is another term for the valve of Kerckring? A. Lacteal B. Crypts of Lieberkuhn C. Plicae circulares D. Striated border E. Villi Explanation The plica circulares is a projection with a core of submucosa. The plica circulares is also called the valve of Kerckring. 31. Which of the following is NOT considered neuroglia? A. Astrocytes B. Ependymal cells C. Oligodendrocytes D. Microglia E. Schwann cells Ans: E 32. What type of tissue lines the upper esophagus? A. Simple squamous epithelium B. Simple cuboidal epithelium C. Simple columnar epithelium D. Stratified squamous epithelium E. Transitional epithelium Ans: D 33. Which cell is a resting osteoblast? A. Chondrocyte B. Chondroblast C. Osteocyte D. Osteoclast E. Bone lining cell Ans: E 34. What forms the skeleton of the fetus? A. Elastic cartilage B. Hyaline cartilage C. Fibrocartilage D. Spongy bone E. Compact bone Ans: B 35. Which type of neuron is multipolar? A. Motor neurons B. Interneurons C. Sensory neurons D. Motor neurons and Interneurons E. All of the above Ans: D 36. Which cell is the most abundant cell in the epidermis? A. Langerhans cell B. Keratinocyte C. Melanocyte D. Merkel cell E. Fibroblast Ans: B 37. Which cells secrete pepsinogen? A. Parietal cells B. Oxyntic cells C. Chief cells D. Mucous neck cells E. Parietal cells and Oxyntic cells Ans: C 38. What are the small tunnels seen in bone? A. Canaliculi B. Sharpey's fibers C. Trabeculae D. Tome's process E. Lacuna Ans: A 39. Which type of cartilage is the most abundant? A. Hyaline cartilage B. Elastic cartilage C. Fibrocartilage D. Hyaline cartilage and elastic cartilage equally E. Elastic cartilage and fibrocartilage equally Ans: A 40. What is the connective tissue covering which surrounds cartilage? A. Perimysium B. Periosteum C. Perichondrium D. Perineurium E. Endosteum Ans: C 41. Which fiber type has a lot of mitochondria? A. Red fibers B. White fibers C. Intermediate fibers D. All of the above E. None of the above Ans: A 42. Which cell is a macrophage found in the skin? A. Kupffer cells B. Histiocyte C. Dust cell D. Langerhans cell E. Microglia Ans: D 43. What structure contributes to the cells cytoskeleton? A. Ribosomes B. Peroxisome C. Microfilaments D. Centrioles E. Nucleoli Ans: C 44. What is the glomerulus? A. Afferent arteriole B. Efferent arteriole C. Capillary tuft D. Peritubular capillaries E. Vasa recta Ans: C 45. What are neurons in the retina? A. Unipolar B. Pseudounipolar C. Bipolar D. Multipolar E. Unipolar and Pseudounipolar Ans: C 46. The colloquialism "gray matter" refers to somebody using his intellect or reasoning ability. In reality, what is gray matter? A. Meninges B. Myelinated nerve fibers C. Cell bodies D. Nodes of Ranvier E. Neurofilaments Ans: C 47. What type of tissue is a tendon composed of? A. Mucous connective tissue B. Mesenchyme C. Loose irregular connective tissue D. Dense irregular connective tissue E. Dense regular connective tissue Ans:E 48. What is a gland called if the secretory portion is flask shaped? A. Simple gland B. Compound gland C. Tubular D. Alveolar E. Tubuloalveolar Ans: D 49. Which type of neuron is most abundant? A. Sensory neurons B. Motor neurons C. Interneurons D. Sensory neurons and Motor neurons E. All of the above Ans: C 50. What covers the visible portion of a tooth ? A. Pulp cavity B. Dentin C. Dental pulp D. Cementum E. Enamel Ans: E 51. What is the term for the process used by cells for the transport in of particulate matter? A. Endocytosis B. Exocytosis C. Pinocytosis D. Phagocytosis E. Active transport Ans: D 52. What type of muscle is specialized for contraction? A. Skeletal muscle B. Cardiac muscle C. Smooth muscle D. Skeletal muscle and Cardiac muscle E. Skeletal muscle, Cardiac muscle and Smooth muscle Ans: E 53. Where is mesothelium found? A. Mucosa B. Sub mucosa C. Muscularis externa D. Serosa E. Adventitia Ans: D 54. What type of glands are the ceruminous glands? A. Sebaceous glands B. Eccrine sweat gland C. Endocrine gland D. Apocrine sweat gland E. Oil gland Ans: D 55. Which microscope makes things appear three dimensional? A. Simple microscope B. Compound microscope C. Phase contrast microscope D. Dissection microscope E. Transmission electron microscope Ans: D 56. Which meninx covers the brain intimately? A. Dura mater B. Arachnoid C. Pia mater D. Dura mater and Arachnoid E. All of the above Ans: C 57. What forms the brush border? A. Microvilli B. Stereocilia C. Cilia D. Keratinization E. Both a and b Ans: A 58. Which sensory receptor in the skin is NOT encapsulated? A. Ruffini endings B. Free nerve endings C. Pacinian corpuscles D. Meissner's corpuscles E. Merkel cells Ans: B 59. Where is the site of protein synthesis? A. Ribosomes B. Peroxisome C. Microfilaments D. Centrioles E. Nucleoli Ans: A 60. What is the lining of the inner bone on the side which abuts the medullary cavity? A. Perimysium B. Periosteum C. Perichondrium D. Perineurium E. Endosteum Ans: E 61. Which fiber type is seen in smooth muscle? A. Red fibers B. White fibers C. Intermediate fibers D. All of the above E. None of the above Ans: E 62. Which type of cartilage forms the skeleton of the fetus? A. Hyaline cartilage B. Elastic cartilage C. Fibrocartilage D. All of the above E. None of the above Ans:A 63. What type of muscle contains centrally placed nuclei? A. Smooth muscle B. Cardiac muscle C. Skeletal muscle D. Smooth muscle and Cardiac muscle E. Smooth muscle, Cardiac muscle and Skeletal muscle Ans: D 64. Which of the following layers comprise the skin? A. Epidermis B. Dermis C. Hypodermis D. Epidermis and Dermis E. Dermis and Hypodermis Ans: D 65. Which organelle is involved in lipid metabolism? A. Rough endoplasmic reticulum B. Smooth endoplasmic reticulum C. Lysosome D. Golgi apparatus E. Mitochondria Ans: B 66. What type of tissue makes up the "Adam's apple"? A. Hyaline cartilage B. Fibrocartilage C. Elastic cartilage D. Hyaline cartilage and Fibrocartilage E. Hyaline cartilage and Elastic cartilage Ans: A 67. What are motor neurons? A. Unipolar B. Pseudounipolar C. Bipolar D. Multipolar E. Unipolar and Pseudounipolar Ans: D 68. What type of epithelium forms the epidermis? A. Simple squamous epithelium B. Simple cuboidal epithelium C. Simple columnar epithelium D. Stratified squamous epithelium E. Pseudostratified epithelium Ans: D 69. Which type of cartilage forms the epiphyseal growth plate? A. Hyaline cartilage B. Elastic cartilage C. Fibrocartilage D. All of the above E. None of the above Ans: A 70. What percent of the matrix of cartilage is water? A. 0 B. 10-40 С. 40-60 D. 60-80 E. 80-100 Ans: D 71. What type of tissue lines most of the gastrointestinal tract? A. Simple squamous epithelium B. Simple cuboidal epithelium C. Simple columnar epithelium D. Stratified squamous epithelium E. Transitional epithelium Ans: C 72. Which of the following is NOT a function of the liver? A. Conversion of glucose into glycogen B. Storage of glycogen C. Storage of bile D. Storage of fat soluble vitamins E. Cholesterol synthesis Ans: C 73. Which layer of the epidermis has cells which have keratohyaline granules? A. Stratum basale B. Stratum spinosum C. Stratum granulosum D. Stratum lucidum E. Stratum corneum Ans: C 74. What are the basophilic clusters of ribosomes and rough endoplasmic reticulum seen in neurons called? A. Ganglion B. Perikaryon C. Astrocyte D. Nissl E. Terminal bouton Ans: D 75. What is the cell body of a neuron called? A. Ganglion B. Soma C. Astrocyte D. Nissl E. Terminal bouton Ans: B 76. Which of the following is composed of smooth muscle? A. Upper esophagus B. Heart C. Tongue D. Biceps muscle E. Walls of the visceral organs Ans: E 77. During the preparation of a routine H&E slide, what allows the tissue to hold its form? A. Fixation B. Embedding in paraffin C. Staining D. Slicing E. Dehydration Ans: B 78. What is a characteristic of the cells in the epidermis of the skin? A. Microvilli B. Stereocilia C. Cilia D. Keratinization E. Microvilli and Stereocilia Ans: D 79. What is woven bone? A. Cancellous bone B. Compact bone C. Dense bone D. Immature bone E. Spongy bone Ans: D 80. What do you call the space where a chondrocyte sits in? A. Space of Disse B. Space of Mall C. Vacuole D. Lacuna E. Howship's Lacuna Ans: D 81. What is the portion of the nail which is underneath skin? A. Lunula B. Eponychium C. Matrix D. Nail bed E. Root Ans: E 82. Which cell is a macrophage found in the central nervous system? A. Kupffer cells B. Histiocyte C. Dust cell D. Langerhans cell E. Microglia Ans: E 83. Which cell is the mature bone cell? A. Chondrocyte B. Chondroblast C. Osteocyte D. Osteoclast E. Bone lining cell Ans: C 84. What type of epithelium appears stratified, but is not? A. Epithelioid tissue B. Mesothelium C. Endothelium D. Transitional E. Pseudostratified Ans: E 85. Which organelle contains digestive enzymes? A. Rough endoplasmic reticulum B. Smooth endoplasmic reticulum C. Lysosome D. Golgi apparatus E. Mitochondria Ans: C 86. Which structures are part of the portal triad? A. Portal vein B. Hepatic artery C. Central vein D. Sinusoids E. Portal vein and Hepatic artery Ans: E 87. During the preparation of a routine H&E slide, how is the tissue preserved? A. Fixation B. Embedding in paraffin C. Staining D. Slicing E. Dehydration Ans: A 88. During the preparation of a routine H&E slide, what allows the tissue to be visualized? A. Fixation B. Embedding in paraffin C. Staining D. Slicing E. Dehydration Ans.C 89. Which type of cartilage forms the hammer, anvil and stirrup? A. Hyaline cartilage B. Elastic cartilage C. Fibrocartilage D. All of the above E. None of the above Ans: E 90. Which of the following is an element of the central nervous system? A. Receptors B. Brachial plexus C. Sciatic nerve D. Ganglia E. Spinal cord Ans: E 91. What is the limiting membrane of a cell? A. Plasmalemma B. Glycocalyx C. Protoplasm D. Cristae E. Ground substance Ans: A 92. What is the functional unit of the liver? A. Lobule B. Portal triad C. Central vein D. Hepatocyte E. Sinusoids Ans: A