M. Histology
5. With which magnification we should start to view the specimen? A) 10 B) 40 C) 100 D) It's up to you
A) 10
6. Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore, a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes. A) 23, 46 B) 46, 23 C) 2, 4 D) 50, 100
A) 23, 46
14. What is the maximum number on the Brightness Adjustment? A) 7 B) 8 C) 10 D) It isn't written
A) 7
8. Haploid cells are seen A) After Meiosis 1 B) After Metaphase of Mitosis C) After Telophase of Mitosis D) Before Anaphase 1 of Meiosis
A) After Meiosis 1
6. Select the correct statement about bone. A) Bone stores, but does not release, inorganic salts. B) Bone cells (osteocytes) are dead in mature bone. C) Bone is a very metabolically active tissue. D) Elderly people cannot rebuild bone.
A) Bone stores, but does not release, inorganic salts.
9. Synapse, involving the release of neurotransmitter is referred to as: A) Chemical synapse, B) Electrical synapse, C) Gap junction, D) Tight junction
A) Chemical synapse,
1. In the choroid plexus water from capillaries is transported directly into the cerebrospinal fluid by what structure(s)? A) Ependyma B) Astrocytes C) Cells of the arachnoid mater D) Lining of the central canal E) Microglial cells
A) Ependyma
1. During which phase of cell cycle does cell increase its mass and volume? A) G1 phase B) G2 phase C) mitosis D) S phase
A) G1 phase
6. During which phase of cell cycle does cell do its particular function(s)? A) G1/G0 phase B) G2 phase C) mitosis D) S phase
A) G1/G0 phase
3. What is the primary component of red marrow? A) Hematopoietic tissue B) Fat C) Cartilage D) Fibrous tissue E) Bone
A) Hematopoietic tissue
20. The example of multiadhesive glycoprotein includes: A) Laminin; B) Actin; C) Heparin.
A) Laminin;
4. Unspecialized stem cells that are derived from mesenchyme. A) Osteoprogenitor cells, B) Osteocytes, C) Osteoblasts, D) Osteoclasts
A) Osteoprogenitor cells,
5. Which if the following most accurately describes compact bone? A) Predominant bone type in the epiphyses of adult long bones B) Also known as cancellous bone C) Forms the diploe in cranial bones D) Lines the medullary (marrow) cavity E) Characterized by the presence of osteons
A) Predominant bone type in the epiphyses of adult long bones
6. Where the lysosomal hydrolases are synthesized in the cell? A) Rough endoplasmic reticulum B) smooth endoplasmic reticulum C) Golgi apparatus D) Nucleus
A) Rough endoplasmic reticulum
2. _______________is the combination of DNA and its associated proteins. A) nucleus B) chromatin C) nucleolus
B) chromatin
2. Lysosomes A) produce filaments that pull organelles and DNA to opposite end of the cell during cell division B) contain chemical that breaks down waste and worn out cell parts
B) contain chemical that breaks down waste and worn out cell parts
17. Cellular substances, which exhibit eosinophilia are: A) heterochromatin and nucleoli of the nucleus B) cytoplasmic filaments C) Golgy apparatus
B) cytoplasmic filaments
1. During their specialization process, called cell differentiation, cells synthesize increased quantities of specific: A) membrane lipids B) cytoskeleton elements C) organelles D) proteins
B) cytoskeleton elements
12. During their specialization process, called cell differentiation, cells synthesize increased quantities of specific: A) membrane lipids B) cytoskeleton elements C) organelles D) proteins
B) cytoskeleton elements
18. Which type of connective tissue is on the light microscopic image? A) areolar B) dense irregular C) dense regular D) adipose
B) dense irregular
16. Basement membrane is: A) plasma membrane B) extracellular layer of specialized proteins C) nuclear membrane D) intercellular junction
B) extracellular layer of specialized proteins
6. Cytoplasmic basophilia is characteristic of cells that A) are actively producing steroid hormones B) have abundant DNA in the cytoplasm C) are in the S stage D) are synthesizing large amounts of protein E) exhibit a conspicuous Golgi complex
B) have abundant DNA in the cytoplasm
4. In mitosis, the two resulting cells are A) different from the starting cell and identical to each other. B) identical to the starting cell and identical to each other. C) different from the starting cell and different from each other. D) identical to the starting cell and different from each other.
B) identical to the starting cell and identical to each other.
12. Exocrine glands produce secret directly: A) into cells B) into ducts C) into capillaries D) all choices are correct
B) into ducts
4. The brain and spinal cord have noticeable areas of gray and white. Which of the following constitutes the white matter? A) dendrites, B) myelinated axons, C) soma of neurons
B) myelinated axons,
4. Which of the following correctly matches a nuclear structure with its function? A) chromosomes - contains RNA and histones B) nuclear pores - allow molecules to move between the nucleus and cytoplasm C) chromatin - fluid portion of the nucleus
B) nuclear pores - allow molecules to move between the nucleus and cytoplasm
10. Photograph of an unstained section of compact bone, showing __________ with concentric lamellae around central canals (by bright-field microscopy). A) osteoids B) osteons C) osteoblasts D) epiphyseal plate
B) osteons
12. Photograph of an unstained section of compact bone, showing __________ with concentric lamellae around central canals (by bright-field microscopy). A) osteoids B) osteons C) osteoblasts D) epiphyseal plate
B) osteons
18. The lipid bilayer of plasma membrane is stabilized by: A) cholesterol B) phospholipids C) proteins D) glycocalyx
B) phospholipids
3. Which function is associated with the rough endoplasmic reticulum? A) ATP synthesis B) protein synthesis C) DNA synthesis
B) protein synthesis
16. Golgi Bodies A) transforms carbohydrates into the chemical energy that cells use B) receive materials through the E.R. and mark them to send to other parts of the organism C) produces proteins
B) receive materials through the E.R. and mark them to send to other parts of the organism
1. What function do mast cells serve in connective tissue? A) carry on phagocytosis, B) release histamine associated with allergies and inflammation, C) secrete proteins that become fibers in the connective tissue matrix
B) release histamine associated with allergies and inflammation,
20. Which of the following is a non membranous organelle? A) mitochondrion B) ribosome C) Golgi apparatus D) nucleus
B) ribosome
20. Which organelle is shown on this TEM image? A) smoothendoplasmic reticulum B) roughendoplasmic reticulum C) Golgi apparatus D) mitochondrion
B) roughendoplasmic reticulum
7. The nucleolus is a very basophilic or electron-dense area of chromatin because: A) it is very coiled part of chromatin B) there are a lot of rRNA C) there are a lot of histones
B) there are a lot of rRNA
3. Which cells are not resident in connective tissue? A) fibroblasts, B) white blood cells, C) adipocytes, D) macrophages, E) mast cells
B) white blood cells,
5.The hardness of bone results from the presence of inorganic matter, mainly: A)Collagen, B)Hydroxyapatite, C)Hyaluronan
B)Hydroxyapatite,
13. What is name of multinuclear bone cell? A)osteoblasts, B)osteoclasts, C)osteocytes
B)osteoclasts,
13. What is name of multinuclear bone cell? A)osteoblasts, B)osteoclasts, C)osteocytes
B)osteoclasts,
8. The bones can supply calcium ions by allowing them to leave the bones and enter into the bloodstream. The cells that induce this absorption of calcium ions into the bloodstream are the "bone destroying cells" called __________ A)osteoblasts, B)osteoclasts, C)osteocytes
B)osteoclasts,
6. Unipolar neurons are located mainly in: A) CNS, B)sensory ganglia of cranial nerves, C)in special sensory organs, D)all above are correct
B)sensory ganglia of cranial nerves,
11. Which structure supports nuclear envelope internally? A) actin filaments B) microtubules C) intermediate filaments D) chromatin
C) intermediate filaments
10. Neurofilaments are: A) microtubules, B) actin filaments, C) intermediate filaments, D) none from above
C) intermediate filaments,
7. _________are highly specialized to transmit electrical impulses from one site in the body to another; they are also specialized to integrate those impulses. A) Nissl bodies, B) pia mater, C) neurons, D) neuropil
C) neurons,
16. Through these channels, called_____________, signals may pass directly from cell to cell without reaching the extracellular fluid. A) gap junctions B) synapse C) receptors D) aquaporins
C) receptors
17. Which of the following is the epithelial tissue that lines the interior of blood vessels? A) columnar B) pseudostratified C) simple squamous D) transitional
C) simple squamous
15. What type of adipose tissue tends to decrease as humans age? A) Brown adipose tissue, B) White adipose tissue, C) Unilocular adipose tissue, D) Multilocular adipose tissue, E) Both (A) and (B), F) Both (A) and (D)
F) Both (A) and (D)
2. Cellular substances, which exhibit eosinophilia are: A) heterochromatin and nucleoli of the nucleus B) cytoplasmic filaments C) Golgy apparatus D) All from above
cytoplasmic filaments
16. Applied to adipocytes, the term "multilocular" refers to which of the following? A) The large number of small cytoplasmic lipid droplets B) The proliferation of the cells in an obese individual C) The large number of mitochondria in the cells D) The high density of nerves supplying the tissue E) The type of mesenchymal cells also present
A) The large number of small cytoplasmic lipid droplets
17. Resolution in electron microscopy greatly exceeds that of light microscopy due to which of the following? A) The wavelength of the electrons in the microscope beam is shorter than that of a beam of light. B) The lenses of an electron microscope are of greatly improvedquality. C) For electron microscopy the tissue specimen does not require staining. D) The electron microscope allows much greater magnification of a projected image than a light microscope provides.
A) The wavelength of the electrons in the microscope beam is shorter than that of a beam of light.
2. The secretory granules of mast cells includes the following, exept: A) Zymogen granules; B) Heparin; C) Histamine; D) Cytokins
A) Zymogen granules;
19. Which type of connective tissue is on the light microscopic image? A) adipose B) dense irregular C) dense regular D) areolar
A) adipose
2. Select the option that shows increasing complexity levels. A) cellular, tissue, organ, organ system B) organ system, organ, tissue, cellular C) organ, tissue, cellular, organ system D) cellular, tissue, organ system, organ E) tissue, organ, organ system, cellular
A) cellular, tissue, organ, organ system
11. Connective tissue proper is usually classified as loose or dense according to the amount of __________and___________ present. A) collagen, ground substance B) fibroblasts, macrophages C) blood vessels, lymph vessels D) elastic fibers, reticular fibers
A) collagen, ground substance
19. In observing epithelial cells under a microscope, the cells are arranged in a single layer and look tall and narrow, and the nucleus is located close to the basal side of the cell. The specimen is what type of epithelial tissue? A) columnar B) stratified C) squamous D) transitional
A) columnar
4. Which type of connective tissue is on the light microscopic image? A) dense irregular B) areolar C) dense regular D) adipose
A) dense irregular
14. Primary ossification centers of fetal long bones are in: A) diaphyses B) epiphyses C) spongy bone D) woven bones
A) diaphyses
12. Pore- like connections between adjacent cells is an example of A) gap junction B) desmosomes C) tight junction D) cell junction
A) gap junction
13. The __) holocrine ______ exocrine gland stores its secretion until the glandular cell ruptures, whereas the ________ gland releases its apical region and reforms. A) holocrine; apocrine B) eccrine; endocrine C) apocrine; holocrine D) eccrine; apocrine
A) holocrine; apocrine
3. What is the name of the glial cells that act as phagocytes to aid in protecting CNS neurons? A) microglia, B) astrocytes, C) oligodendrocytes
A) microglia,
13. Which one of the following parts of a cell lacks a bounding memberane? A) nucleolus B) endoplasmic reticulum C) lysosomes D) Golgi complex E) nucleus
A) nucleolus
18. From which organelle are death-promoting factors released during apoptosis? A) nucleus B) mitochondrion C) rough endoplasmic reticulum D) smooth endoplasmic reticulum E) lysosome
A) nucleus
5. As a rule, which component will be first damaged during apoptosis? A) nucleus B) organelles C) plasma membrane
A) nucleus
5. Which component will be first damaged during necrosis? A) nucleus B) organelles C) plasma membrane
A) nucleus
7. The epiphysial growth plate, where cartilage is removed and bone is formed, is marked by four stages (left to right): A) resting zone, proliferative zone, hypertrophy zone, ossification zone B) ossification zone, hypertrophy zone, proliferative zone, resting zone C) resting zone, hypertrophy zone, proliferative zone, ossification zone D) ossification zone, resting zone, proliferative zone, hypertrophy zone
A) resting zone, proliferative zone, hypertrophy zone, ossification zone
8. Which organelle is shown on this TEM image? A) rough endoplasmic reticulum B) smooth endoplasmic reticulum C) Golgi apparatus D) mitochondrion
A) rough endoplasmic reticulum
3. Barr body is: A) tightly coiled X chromosome in females B) tightly coiled X chromosome in males C) tightly coiled Y chromosome
A) tightly coiled X chromosome in females
9. The areolar connective tissue is located a lot: A) under covering epithelia, B) in tendons, C) in the stroma of hematopoietic organs
A) under covering epithelia,
14. Which of the following cells have a large droplet of whitish-yellow fat in their cytoplasm? A)adipocytes, B)fibrocytes, C)plasma cells
A)adipocytes,
3. Nutrients will travel from the blood vessels in the central canal of Haversian system to the osteocytes through extracellular fluid of __________. A)canaliculi and lacunae, B)lamellae, C)capillaries D) osteons
A)canaliculi and lacunae,
10. ________________ differentiate from (stem) osteoprogenitor cells and secrete components of the initial matrix, called osteoid, that allow matrix mineralization to occur. A)osteoblasts, B)osteoclasts, C)osteocytes
A)osteoblasts,
1. The only type of bone cells which are located inside bone matrix is: A)osteoclasts, B)osteons, C)lacunae, D)osteoblasts, E)osteocytes
A)osteoclasts,
7. The maximal resolving power of the LM is approximately A) 2.5 nm B) 0.2 μm C)0.2 mm
B) 0.2 μm
9. Paraffin sections are generally cut at ________thickness for LM. A) 0.05 - 0.1 µm B) 1 - 10 µm C) 100 - 1000 µm
B) 1 - 10 µm
1. The spindle fiber attaches to which of the following A) Nuclear membrane B) Centromere C) Cell membrane D) Chromatin
B) Centromere
14. What are Sharpey's fibers? A) Elastic fibers B) Collagen fibers C) Reticular fibers D) Trabeculae E) Dense regular connective tissue
B) Collagen fibers
11. What cells numerous in loose connective tissue are filled with secretory granules and stain with metachromasia? A) Macrophages B) Mast cells C) Fibrocytes D) Active fibroblasts E) Leukocytes
B) Mast cells
15. Process has eight overall steps divided into two stages. A) Mitosis B) Meiosis C) Both Mitosis and Meiosis
B) Meiosis
3. A) Mitosis B) Meiosis
B) Meiosis
8. Which one of these cells is not a cell type routinely found in loose connective tissue? A) Fibroblast B) Microglia C) Plasma cell D) Mast cell
B) Microglia
15. Which elements of the cytoskeleton are inside cilia and flagella? A) Actin filaments B) Microtubules C) Intermediate filaments
B) Microtubules
1. What is the cell body of a neuron called? A) Ganglion B) Perikaryon C) Astrocyte D) Nissl E) Terminal bouton
B) Perikaryon
19. _______________ are small cytoplasmic protein complexes which degrade improperly folded proteins after they are tagged with the polypeptide ubiquitin. A) Peroxisomes B) Proteasomes C) Ribosomes D) Globular actin
B) Proteasomes
12. Which cell is shown on this light microscopic picture? A) pyramidal neuron B) Purkinje neuron C) astrocyte
B) Purkinje neuron
15. What type of epithelium prevents dehydration? A) Transitional epithelium B) Stratified squamous keratinized epithelium C) Stratified squamous nonkeratinized epithelium D) Pseudostratified epithelium
B) Stratified squamous keratinized epithelium
11. Which type of glial cells are on this light microscopic picture? A) microglia, B) astrocytes, C) oligodendrocytes D) neurolemmocytes E) satellite cells F) ependymal cells
B) astrocytes,
15. Keratin is: A) Microtubule B) Actin filament C) intermediate filament D) phospholipid
C) intermediate filament
12. What is approximate thickness of plasma membrane? A) 10 mm B) 10 µm C) 10 nm
C) 10 nm
11. If the eyepiece magnifies ten times and total magnification is 100, how many times does the objective lens magnify? A) 90 times B) 4 times C) 10 times D) 100 times
C) 10 times
8. 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) 1000 μm
C) 100 μm
19.Magnification of EM is about: A) 100 times B) 1000 times C) 100000 times
C) 100000 times
2. A report from a hospital pathology laboratory indicates that a microscope slide with a small specimen of neural tissue contains "numerous GFAP-positive" cells. What is the most likely source of this specimen? A) A region of white matter B) A sensory ganglion C) A region of gray matter D) An autonomic ganglion E) Pia mater
C) A region of gray matter
10. Elastic fibers are produced by: A) fibroblasts; B) Smooth muscles; C) Both of them; D) None of them.
C) Both of them;
15. What is bone formation called when the bone is formed from a cartilage template? A) Intraosseous B) Intramembranous C) Endochondral D) Endosteum
C) Endochondral
11. Which organelle is on the picture? A) rough endoplasmic reticulum B) smooth endoplasmic reticulum C) Golgi apparatus D) mitochondrion
C) Golgi apparatus
7. A membrane complex of flat saccules with vesicles detaching from its extremities is: A) Mitochondrion B) Nucleus C) Golgi apparatus D) Lysosome E) Peroxisome
C) Golgi apparatus
6. The extracellular matrix is made of: A) Ground substance and fibroblasts; B) Ground substance and fibrocytes; C) Ground substance and fibers; D) proteoglycans, GAGs, and multi adhesive glycoproteins
C) Ground substance and fibers;
2. What is a woven bone? A) Compact bone, B) Dense bone, C) Immature bone, D) Spongy bone
C) Immature bone,
3. What does the coarse adjustment/coarse focusing knob do? A) It is responsible for moving the stage clips up and down B) It is responsible for moving the stage right and left C) It is responsible for moving the stage up and down
C) It is responsible for moving the stage up and down
6. White adipocytes are derived developmentally from what precursor cells? A) Monocytes B) Fibroblasts C) Mesenchymal cells D) Brown adipocytes E) Mast cells
C) Mesenchymal cells
10. Like nucleus, this organelle also has its own DNA. A) Golgi apparatus B) Lysosome C) Mitochondrion D) Centrosome
C) Mitochondrion
3. Which is the embryonic connective tissue? A) Loose connective tissue, B) Connective ti ssue proper, C) Mucous connective tissue, D) Dense connective tissue
C) Mucous connective tissue,
6. The cells in bone tissue include: A) Osteoprogenitor cells, osteoblasts, osteocytes, and chondrocytes B) Osteoprogenitor cells, osteoblasts, lacunae, and osteoclasts. C) Osteoprogenitor cells, osteoblasts, osteocytes, and osteoclasts. D) Osteoprogenitor cells, osteons, osteocytes, and osteoclasts.
C) Osteoprogenitor cells, osteoblasts, osteocytes, and osteoclasts.
7. The progenitor cells of mast cells are produced in: A) Thymus; B) Lymph nodes; C) Red bone marrow; D) Yellow bone marrow
C) Red bone marrow;
18. Which type of epithelium is shown on the LM image? A) Simple squamous epithelium B) Simple cuboidal epithelium C) Simple columnar epithelium D) Pseudostratified epithelium E) Stratified epithelium
C) Simple columnar epithelium
14. Which organelle does organize microtubules and participate in mitotic spindle formation during cell division? A) mitochondria B) ribosome C) centrosome D) chromosome
C) centrosome
5. Leukocytes leave blood by migrating between the endothelial cells lining venules to enter connective tissue by a process called______________. A) inflammation B) necrosis C) diapedesis
C) diapedesis
13. Epithelial tissue is characterized by each of these traits, except that ____________. A) it lacks blood vessels B) it functions in secretion, absorption, and excretion C) epithelial cells are loosely packed and have much intercellular material D) it is anchored to a basement membrane
C) epithelial cells are loosely packed and have much intercellular material
5. To prevent enzymatic degradation of cells and tissues by autolysis (self-digestion), it is necessary: A) to cut tissue into small pieces B) to embed tissue into paraffin C) to fix tissue D) to dehydrate tissue
C) to fix tissue
15. What is the main function of brown adipose tissue? A) to produce energy, B) to produce heat, C) to produce hormones
C) to produce hormones
1. _____ originiate from precursor in the bone marrow, circulate through blood and migrate to connective tissue, where they become macrophages. A)fibroblasts B)mast cells C)monocytes D)plasma cells
C)monocytes
9. Bone cells that are the main cells in the bone tissue and maintain its daily metabolism, such as the exchange of nutrients and wastes with the blood are: A)osteoblasts, B)osteoclasts, C)osteocytes
C)osteocytes
4. Volkmann canals are: A)central canals, B) Haversian canals, C)perforating canals
C)perforating canals
3. Which of the following is characteristic of the chromatophilic material called Nissl substance in neural tissue? A) Found throughout neurons B) Site of mRNA translation for proteins of the neuron C) Most abundant in unipolar neurons D) Becomes more abundant as an individual gets older E) An example of intermediate filament proteins
D) Becomes more abundant as an individual gets older
8. Osteoclasts derived from: A) Macrophages, B) Osteoblasts, C)Osteoprogenitor cells, D) Bone marrow-derived cells E) Bone-lining cells
D) Bone marrow-derived cells
2. Which is the most abundant fiber in connective tissue? A) Muscle fibers, B) Elastic fiber, C) Reticular fiber, D) Collagen fiber
D) Collagen fiber
10. What type of epithelial cells are as tall as they are wide: A) Simple B) Stratified C) Squamous D) Cuboidal E) Columnar
D) Cuboidal
11. Factors holding epithelial cells together, except? A) Tight Junctions, B) Adherens Junctions, C) Desmosomes, D) Gap Junctions
D) Gap Junctions
19. Which if the following most accurately describes compact bone? A) Predominant bone type in the epiphyses of adult long bones B) Also known as cancellous bone C) Characterized by the presence of osteons D) Lines the medullary (marrow) cavity E) Forms the diploe in cranial bones
D) Lines the medullary (marrow) cavity
11. Which of the following most accurately describes the endosteum? A) Composed of two layers: osteogenic and fibrous B) Continuous with the joint capsule C) Attached to the bone surface by collagen bundles called Sharpey fibers D) Lines the medullary cavity E) Contains mature osteocytes
D) Lines the medullary cavity
9. Which of the following can be classified as "connective tissue proper"? A) Bone, B) Blood, C) Adipose tissue, D) Loose connective tissue, E) Cartilage
D) Loose connective tissue,
8. Which of the following events occurs immediately after an action potential reaches a synapse at an axon terminal? A) Vesicle fusion with the presynaptic terminal membrane B) Calcium ion influx at the presynaptic terminal C) Neurotransmitter binding to receptors on the postsynaptic membrane D) Neurotransmitter release into the synaptic cleft E) Binding of the neurotransmitter at the presynaptic terminal
D) Neurotransmitter release into the synaptic cleft
7. Dense regular connective tissue typically involves which of the following features? A) Contains mostly synthetically active fibroblasts B) Contains much ground substance C) Contains a similar cell population as areolar connective tissue D) Predominant tissue type in the stroma of most organs E) Predominantly located in tendons and ligaments
D) Predominant tissue type in the stroma of most organs
9. The nuclear membrane dissolves during A) Anaphase B) Telophase C) Metaphase D) Prophase
D) Prophase
4. Sulfated GAGs are important constituents of what extracellular structures? A) Hyaluronan B) Elastic fibers C) Type I collagen D) Proteoglycans E) Multiadhesive glycoproteins
D) Proteoglycans
10. Cells of epithelial tissue are: A) Static cell populations B) Stable cell populations C) Slowly renewing populations D) Rapidly renewing populations
D) Rapidly renewing populations
17. Where is epithelial tissue found? A) Glands B) lines organs C) covering body surfaces D) all of the above
D) all of the above
10. Within most organs ___________ forms the supportive stroma, which supports the organ's unique functional components or parenchyma. A) areolar connective tissue B) reticular connective tissue C) mucoid connective tissue D) dense connective tissue
D) dense connective tissue
11. Which one of the following is a correct statement concerning Haversian systems? A) are found in fetal skeletons B) are found in woven bone C) develop around Volkman's canals D) develop around a blood vessel E) are most common during rapid growth of adolescence
D) develop around a blood vessel
14. Which type of intercellular junctions does bind epithelial cells to the underlying basal lamina? A) tight junctions B) adherent junctions C) desmosomes D) hemidesmosomes E) gap junctions
D) hemidesmosomes
2. Which bones do develop through intramembranous ossification? A) the entire skeleton, B)short bones, C)long bones, D) most flat bones
D) most flat bones
2. A single axon is classified as a __________. A) ganglion, B) nerve bundle, C) nerve tract D) nerve fiber
D) nerve fiber
13. In most CNS regions, neurons protected by the blood-brain barrier, consisting of are the perivascular feet of ____________ processes. A) neurolemmocytic B) oligodendrocytic C) ependymal D) none from above
D) none from above
4. The electron dense layers of cell membranes are biochemically identified as A) carbohydrate B)glycolipid C) sialic acid D) phospholipid-protein complex E)interphase between lipid layers
D) phospholipid-protein complex
8. Nuclear envelope re-forms around the separated chromosomes during: A) prophase B) metaphase C) anaphase D) telophase
D) telophase
5. Axoplasm is: A)cell body of neuron, B)cytoplasm of neuron, C)plasma membrane of axon, D)cytoplasm of axon
D)cytoplasm of axon
13. All of the following processes can move substances out of a cell EXCEPT A) exocytosis B) simple diffusion C) active transport D)phagocytosis
D)phagocytosis
10. Smooth endoplasmic reticulum would be expected to be most abundant in A)steroid secreting cells B)fibroblasts C)mucous secreting cells D)serous secreting cells
D)serous secreting cells
4. Which term does not belong with the others? A)brain, B)spinal cord, C) CNS, D)spinal nerve
D)spinal nerve
7. Which cell is a resting osteoblast? A) Chondrocyte B) Chondroblast C) Osteocyte D) Osteoclast E) Bone lining cell
E) Bone lining cell
17. In the diaphysis of a typical long bone which of the following structures is in closest proximity to the trabeculae of cancellous bone? A) Interstitial lamellae B) Osteons C) Sharpey fibers D) Outer circumferential lamellae E) Inner circumferential lamellae
E) Inner circumferential lamellae
9. In the diaphysis of a typical long bone which of the following structures is in closest proximity to the trabeculae of cancellous bone? A) Interstitial lamellae B) Osteons C) Sharpey fibers D) Outer circumferential lamellae E) Inner circumferential lamellae
E) Inner circumferential lamellae
1. What is the cylindrical structure in compact bone? A) Osteoclast B) Osteoid C) Osteocyte D) Osteoblast E) Osteon
E) Osteon
5. The numerous granules of the ___________ take up the toluidine blue stain and appear more "purple" than other stained cells. Histamine released from the ___________ plays a key role in inflammation. A) fibroblasts, B) white blood cells, C) adipocytes, D) macrophages, E) mast cells
E) mast cells
12. Bone cells located in lacuna of bone matrix are: A) osteoblasts B) osteoclasts C) fibroblasts D) osteoprogenitor cells E) osteocytes
E) osteocytes
8. The basal body of a cilium has a tubular filament arrangement which is identical to the pattern found in A)microvilli B)centrioles C)spindle fibers D)stereocilia E)microtubules
E)microtubules
1. All of the following have ribosomes attached to them except: A)nuclear envelope B)tRNA C)endoplasmic reticulum D)each other E)phagosomes
E)phagosomes