Histology Multiple Choice Quiz PDF

**The junction that is closer to the upper part of epithelial cells in the intestine is:** - **Select one alternative:** - Desmosome - Zonula adherens - **Tight junction** - Gap junction **2. The mode of secretion by which there is loss of cellular material is called:...

**The junction that is closer to the upper part of epithelial cells in the intestine is:** - **Select one alternative:** - Desmosome - Zonula adherens - **Tight junction** - Gap junction **2. The mode of secretion by which there is loss of cellular material is called:** - **Select one alternative:** - Merocrine - Cytocrine - **Apocrine** - Holocrine **3. Columnar pseudostratified epithelium can be found in:** - **Select one alternative:** - Excretory ducts of sweat glands - Arteries - Heart - **Respiratory system** **4. Which is NOT correct regarding connective tissue proper:** - **Select one alternative:** - May contain lymphocytes - Contains polysaccharides - Can contain macrophages - **Does not contain mast cells** **5. Which is correct regarding epithelium:** - **Select one alternative:** - In the stratified cuboidal epithelium, only the top layer has cuboidal cells, while the deep layers have squamous cells. - Mesothelium is stratified squamous sometimes. - **Transitional epithelium is a type of stratified epithelium.** - Transitional epithelium is a type of pseudostratified epithelium. **6. Which is true about plasma cells:** - **Select one alternative:** - They originate from T lymphocytes. - They originate from dendritic cells. - **They originate from B lymphocytes.** - They originate from monocytes. **7. Endosteum:** - **Select one alternative:** - Is composed of two layers of chondroblasts. - Can be found in all types of cartilage. - Is found only in hyaline cartilage. - **Is composed of one layer of cells.** **8. \'Dense bodies\' are found in the cytoplasm of:** - **Select one alternative:** - **Smooth muscle fibers** - Skeletal muscle fibers - Smooth AND skeletal muscle cells - Cardiac muscle cells **9. Secondary lymphoid organs are:** - **Select one alternative:** - Bone marrow and spleen. - Bone marrow and thymus. - Spleen and thymus. - **Spleen and lymph nodes.** **10. Langerhans cells are:** - **Select one alternative:** - Plasma cells found in the dermis. - Small cells found only in lymphatic nodules among T cells. - Keratinized cells found in the epidermis. - **Antigen-presenting cells found in the epidermis.** **11. The epithelium of the gall bladder is:** - **Select one alternative:** - Stratified squamous. - Transitional. - **Simple columnar.** - Stratified columnar. **12. Which is correct regarding the pancreatic islets:** - **Select one alternative:** - The first segment of the ducts of the pancreatic islets have stratified cuboidal epithelium. - The pancreatic islets are exocrine glands. - **The ducts of the pancreatic islets have simple cuboidal epithelium.** - There are sinusoids in the pancreatic islets. **13. Which is correct regarding kidneys:** - **Select one alternative:** - Kidneys are covered completely by peritoneum. - **Kidneys are covered by connective tissue that may contain smooth muscle fibers.** - A kidney always contains many renal lobules. **14. The medullary rays of the kidneys:** - **Select one alternative:** - Are inside the medulla of the kidney. - Do not exist in multilobular kidneys. - Contain convoluted proximal tubules. - **Contain parts of the collecting ducts.** **15. The epithelium of the renal pelvis is:** - **Select one alternative:** - Simple squamous. - Simple columnar. - Stratified squamous. - **Transitional.** **16. Which is correct regarding the ductus epididymidis:** - **Select one alternative:** - The epithelium of the ductus epididymidis is transitional. - **The epithelium of the ductus epididymidis is pseudostratified containing two types of cells.** - The epithelium of the ductus epididymidis is simple columnar. - The epithelium of the ductus epididymidis is stratified cuboidal. **17. The epithelium of the urethra is:** - **Select one alternative:** - Stratified squamous. - Only simple columnar. - Only stratified columnar. - **Mostly transitional with patches of simple columnar and stratified.** **18. Corona radiata is:** - **Select one alternative:** - Found inside the tertiary follicles. - The zone found around the atretic follicles. - Found in the interna theca. - **Found around the secondary follicles.** **19. The respiratory system originates from:** - **Select one alternative:** - Lateral mesoderm only. - Somites. - Ectoderm and mesoderm. - **Endoderm and mesoderm.** **20. The origin of neural crest cells is:** - **Select one alternative:** - Splanchnic. - From somites. - Mesodermic. - **Ectodermic.** **Mesenchymal cells:** - **Select an alternative:** - Are components of the sweat glands - **Are cells that can differentiate into other cell types of the connective tissue** - Are found in the epithelial tissue - Are components of the seminiferous tubules in testes **2. In the equine hoof:** - **Select an alternative:** - The primary epidermal laminae are made of loose connective tissue - The secondary epidermal laminae are cellular and contribute to the production of the primary epidermal laminae - Both primary epidermal and primary dermal laminae contain blood vessels - **Primary dermal laminae contain fully keratinized cells** **3. What forms the brush border in the intestinal epithelium of mammals?** - **Select an alternative:** - Microvilli - Stereocilia - Keratinization - **Both microvilli and stereocilia** **4. How do we call the immature bone?** - **Select an alternative:** - Dense bone - **Woven/primary bone** - Compact bone - Spongy bone **5. What do we call the cavity within a tertiary follicle?** - **Select an alternative:** - Theca - Zona pellucida - **Antrum** - Granulosa **6. Which of the following is a unicellular gland?** - **Select an alternative:** - Sertoli cell - Paneth cell - **Goblet cell** **7. What originates from a megakaryocyte?** - **Select an alternative:** - Lymphocyte - Basophil - **Platelet** - Erythrocyte **8. Which one of these cells is not a cell type found in loose connective tissue?** - **Select an alternative:** - Fibroblast - Plasma cell - **Parietal cell** - Macrophage **9. Which is the outer connective tissue covering a muscle?** - **Select an alternative:** - **Epimysium** - Perimysium - Sarcolemma - Endomysium **10. The medullary rays of the kidneys:** - **Select an alternative:** - Are inside the medulla - Do not exist in multilobar kidneys - Contain convoluted proximal tubules - **Contain parts of the collecting ducts and parts of nephrons** **11. Which is correct:** - **Select an alternative:** - Kupffer cells are found in the perisinusoidal space. - **The perisinusoidal space may contain cells that store fat.** - Hepatic sinusoids are lined by endothelial cells only. - Hepatic sinusoids collect blood from branches of the hepatic artery and the central veins. **12. Intercalated discs in the cardiac tissue contain:** - **Select an alternative:** - 4 types of junctions - 3 types of junctions - **2 types of junctions** - 1 type of junction **13. What makes up the Juxtaglomerular apparatus?** - **Select an alternative:** - Pedicels - Juxtaglomerular cells - Macula densa - **Both macula densa and Juxtaglomerular cells** **14. In which of the following organs, the epithelium is/can be pseudostratified?** - **Select an alternative:** - Small intestine - Large intestine - **Ducts of sweat glands** - Urinary bladder **15. Which is correct about the pancreatic islets:** - **Select an alternative:** - The first segment of the ducts of the pancreatic islets have low cuboidal epithelium. - **The pancreatic islets contain many types of cells.** - The pancreatic islets are exocrine glands. - The ducts of the pancreatic islets have simple cuboidal epithelium. **16. Which is correct about spermatocytes:** - **Select an alternative:** - **Spermatocytes have a dark elongated nucleus** - Sertoli cells have an oval nucleus - Late elongated spermatogonia have tails - Spermatids are divided into dark and light types **17. Rete testis - which is true?** - **Select an alternative:** - Contain many Sertoli cells - Contain many macrophages in the epithelium - **Are lined by simple squamous or columnar epithelium** - Is part of the duct of epididymis **18. Prostate:** - **Select an alternative:** - Has only one duct - Is divided into body and disseminate - Is not divided into lobules - **Is a tubuloacinar gland** **19. The hypoblast contributes to the formation of:** - **Select an alternative:** - Endoderm - Extra-embryonic membranes - **Endoderm AND extra-embryonic membranes** - Mesoderm AND chordamesoderm **20. The first fetal membrane that develops in birds:** - **Select an alternative:** - Amnion - **Yolk sac** - Allantois - Chorion