Notes in ♠ Buddycards: Module 2 Part 3 Merch

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Published	01/14/2024	are there t tubules in smooth muscles?
Published	01/14/2024	In the layers that surround the skeletal muscles, which is composed of dense irregular connective tissue? A. EpimysiumB. EndomysiumC. Perimys…
Published	01/14/2024	Thin filaments are attached to the Z disc by A Myomesin B F actin C Titin D Al…
Published	01/14/2024	Which of the best describes osteoclast? A Motile cell B for Matrix calcification C Synthesize …
Published	01/14/2024	Which of the following characteristics is true only with skeletal muscle fiber type IIa? A Abundant capillaries B …
Published	01/14/2024	Which of the following describes muscle spindles? A Modified perimysium B Wraps around axon C …
Published	01/14/2024	In cardiac muscles, they have a distinct characteristic which contains different junctions. Which of these junctions provides a continuous suppl…
Published	01/14/2024	An osteon has which of the following lamellae? A Interstitial B Inner circumferential C Outer …
Published	01/14/2024	Which of the following is correct about cardiac and skeletal muscles? A Centrally located nucleus B All or none …
Published	01/14/2024	Which type among the three muscles has the least regeneration capacity? A Skeletal B Cardiac C …
Published	01/14/2024	Abundant chondroitin sulfate A Territorial matrix B Interterritorial matrix C Both A and …
Published	01/14/2024	In this zone, cartilage cells become organized into columns parallel to the long axis of the bone A Resting B …
Published	01/14/2024	Which is closely related to lamellar bone? A Bundle bone B Type 1 collagen fibers C Lightly ca…
Published	01/14/2024	What happens during endochondral bone ossification? A Periosteum transforms to perichondrium B Chondrocytes un…
Published	01/14/2024	In endochondral ossification, which of the following best describes the fourth process? A Primary ossification in metaphysis …
Published	01/14/2024	Which of the following are important in bone remodeling? A. Osteocyte B. Osteoclast C. Ost…
Published	01/14/2024	Abundant in Type I collagen. A Territorial matrix B Interterritorial matrix C Both A and …
Published	01/14/2024	Mesenchyme as precursor A Fibrocartilage B Elastic cartilage C Both A and B D …
Published	01/14/2024	Continuous bone deposition is performed by ____, whereas continuous bone resorption is done by _____. A. Osteoblast; OsteoclastB. Osteoblast;…
Published	01/14/2024	Arrange in chronological order, the following steps in bone formation. I. Osteoblast entrapment in the osteoid II. Precipitation of calcium s…
Published	01/14/2024	Which of these proteins is an inhibitor of RANK L? A osteoporin B osteonectin C osteocalcin …
Published	01/14/2024	Which of the following tissues/organs serves as the greatest reservoir for calcium ions? A Blood Vessels B Bon…
Published	01/14/2024	Calcium plays an important role in A Blood clotting B Muscle contraction C Transmission o…
Published	01/14/2024	Which of the following takes place during osteocytic osteolysis? A Mobilization of Calcium B Increased number …
Published	01/14/2024	Which hormone affecting calcium homeostasis directly binds to an intracellular receptor?  A Calcitonin B …
Published	01/14/2024	Which of these is a direct effect of the parathyroid hormone? It increases A vitamin D synthesis B renal reabs…
Published	01/14/2024	Which hormones involve direct intestinal absorption of calcium? A PTH B Glucocorticoid C …
Published	01/14/2024	Which of the following histologic features of the choroid plexus? (MMCQ) A Formed by capillaries of pia mater  …
Published	01/14/2024	Final activation of vitamin D occurs in the: A Intestine B KIdney C Liver D Sk…
Published	01/14/2024	Which of the following is responsible for the transmission of neural impulses from the neuron to the effector organ? A Neuromodu…
Published	01/14/2024	What is generated when there is a positive increase in voltage above the normal resting neuronal potential? A Action potential …
Published	01/14/2024	What initiates the opening of voltage gated sodium channels at the sarcolemma leading to increased influx of sodium ions? A Acet…
Published	01/14/2024	Which of the following DOES NOT mediate Postsynaptic Inhibition? A Activation of G Protein B Reciprocal Innerv…
Published	01/14/2024	What are the characteristics of Slow Fibers? A Large in strength of contraction B Large size of myoglobin …
Published	01/14/2024	Which of the ff is correctly paired regarding the cross-bridge cycle? A ADP Release -> released state B …
Published	01/14/2024	Which type of muscle stimulation causes increase in tension but no shortening of the muscle fibers? A Isometric Contraction …
Published	01/14/2024	Which of the following is correct regarding the regulatory proteins in a skeletal myofibril? A Attached continuously along the s…
Published	01/14/2024	All of the ff mediates muscle contraction in the sarcoplasm. Which of these is the most common and more important mechanism in the skeletal musc…
Published	01/14/2024	Initiate attraction between actin and myosin filaments in skeletal muscle. A action potential B acetylcholine …
Published	01/14/2024	Skeletal triad of skeletal muscle fiber A T-Tubule, Sarcoplasmic reticulum, z disc B T-Tubule, Sarcoplasmic reti…
Published	01/14/2024	Which of the following occurs during endochondral bone formation? A. Interstitial growth enlarges the subperiosteal bone collar B. The periost…
Published	01/14/2024	The predominant fiber types in elastic cartilage are elastic fibers and collagen type A. I B. II C. III D. IV
Published	01/14/2024	Which of the following is related with cardiac muscle cells only? A. Multinucleated B. Striations C. Cylindrical D. Dyads
Published	01/14/2024	Which of the following proliferate when muscles are traumatized?A. Satellite Cells  B. Myotubes C. Sarcoplasm D. Myoblasts
Published	01/14/2024	Which of the following is responsible for the consistency of cartilages? Choose the best answer.A. WaterB. Proteoglycan C. Hyaluronic acidD. C…
Published	01/14/2024	Where can you best find a transverse tubule in a skeletal muscle? A. At the Z line B. Within the I bandC. At the A-I junction D. Within the H …
Published	01/14/2024	Which of the following cells secrete cartilage matrix? (MMCQ)A. ChondrocytesB. ChondroblastsC. OsteoblastsD. Osteocytes
Published	01/14/2024	Which of the following describes the fast-glycolytic skeletal muscle fiber? A. Exemplified by a marathoner B. Easily gets tired C. Abun…
Published	01/14/2024	Hyaline cartilage is found in the following organs and/or structures. Which one of them has no dense connective tissue covering? A. TracheaB. Nose…
Published	01/14/2024	Which of the following cells are involved in bone remodelling? (MMCQ)A. OsteoblastsB. Osteoprogenitor C. OsteocytesD. Osteoclasts
Published	01/14/2024	What is the name of the regulatory protein molecule that prevents the cross-linking of the actin and myosin molecules in a muscle tissue?&nbsp…
Published	01/14/2024	Which of the following characteristics offer the least distinguishing detail comparing the various types of cartilage? A. Extracellular matrix…
Published	01/14/2024	Which of the following bones does not follow an intramembranous process of ossification? A. Temporal bone B. ClavicleC. HumerusD. Maxilla&n…
Published	01/14/2024	What cells are characteristically located at the canaliculi of bone tissues? A. Sharpey’s fibers B. Osteoblast C. OsteoclastD. Osteocyte&nb…
Published	01/14/2024	What natural event inherent in cartilaginous growth and expansion is evident in both the appositional growth and interstitial processes? A. Vas…
Published	01/14/2024	What is the main chemical composition of the bone matrix? A. PotassiumB. HydroxyapatiteC. Chloride D. Magnesium
Published	01/14/2024	What is the proper architectural layout of a skeletal muscle fiber (from outermost to innermost)? A. Endomysium, Perimysium, Fascicle, Epimysi…
Published	01/14/2024	What hormone receptor does osteoclasts possess, which is not present in osteoblast? A. Parathormone B. OsteocalcinC. CalcitoninD. Claudins&…
Published	01/14/2024	What is the main function of the perforating canals? A. Contain blood vessels that nourish cells in the Haversian systemB. Connects adjacent h…
Published	01/14/2024	Which of the following landmarks does not change when the sarcomere contracts maximally?A. A bandB.  H zone C. I band D. Z line
Published	01/14/2024	Actin filament is present in which membrane junction A. Desmosome B. Adhering junction C. Hemidesmosome D. Gap junction
Published	01/14/2024	Which is a correct statement about bone cells? A. All osteocytes come from osteoblasts B. All osteoblasts produce osteocytes C. All …
Published	01/14/2024	This describes a woven bone:A. Present in a recently fractured bone. B. They are mature bone C. They have collagen
Published	01/14/2024	Cartilage of the joints are made of hyaline cartilage, what makes it diffrent from other hyaline cartilage? A. Matrix is made of aggrecan B. No pe…
Published	01/14/2024	Which is true of the elastic cartilage? A. Has no perichondrium B. Has eye lid C. Most abundant cartilage D. Has type 2 collagen&nb…
Published	01/14/2024	Bone development sequence of event A. RZ-HZ-PZ-CZ-OZ B. RZ-PZ-HZ-CZ-OZC. RZ-CZ-HZ-PZ-OZ D. RZ-HZ-PZ-CZ-OZ
Published	01/14/2024	Which of the following best describes elastic cartilage? A. Occurs more abundantly than collagen B. Has a network of microfibrils embedded i…
Published	01/14/2024	True to all 3 types of cartilageA. Perichondrium is present to all types B. Has chondroblast, fibroblast, chondrocyte C. Avasucular, no nerve…
Published	01/14/2024	Which of the ff is always related with hyaline cartilages? A. Collagen type IB. Articular endsC. MeniscusD. Perichondrium
Published	01/14/2024	Which one of the ff describes fibrocartilage?A. Its a mixure of hyaline and elastic cartilage.B. Chondroblasts are surrounded by fibroblasts and c…
Published	01/14/2024	Which of the following is true about cartilages? A. ECM forms lacunae of cells B. Embryonic origin is mesenchyme C. In appositional growth, it inv…
Published	01/14/2024	Which of the following is true about bone components? A. Osteoclasts came from the fusion of osteocytes. B. Osteocytes have processes C. Osteoblas…
Published	01/14/2024	Which of the following statements is correct about bone covering? A. Perforating fibers attach the endosteum to the mediallary cavity B. Peri…
Published	01/14/2024	Which of the following describes a lamellar bone? A. Collagen fibers predominate B. Acted upon by osteoclasts in bone repair C. Has more osteocyt…
Published	01/14/2024	In the growth of epiphysial plate, what zone is hydroxyapatite crystals formed something A. Proliferative B. Hypertrophy C. Calcifi…
Published	01/14/2024	In intramembranous ossification, what is correct? A. Bone formation happens directly in mesenchymeB. Osteoblast formation surround Hyaline Cartila…
Published	01/14/2024	Which is true about skeletal muscle? A. Triad at Z disk B. Sarcoplasmic reticulum is not well developedC. Function of sarcomere is the same with c…
Published	01/14/2024	Proteins that bind thin filaments to z disk a. Titin B. Nebulin C. MyomesinD. Alpha-actinin
Published	01/14/2024	Which of the following describes smooth muscle? A. Single round nucleus at the center of the visceral muscle B. Numerous caveolae at the surface …
Published	01/14/2024	The overlapping arrangement of this something is essential for the binding patterns of skeletal and cardiac muscle:  A. T-tubule B. Sarcom…
Published	01/14/2024	What channel is responsible for an increase in cytosolic calcium when activated by mechanical stimulus A. SERCA B. Calcium release channels C…
Published	01/14/2024	Where contraction via myosin light chain phosphatase? A. Cardiac B. Skeletal C. Smooth D. All
Published	01/14/2024	EC-coupling mechanism of both cardiac and smooth muscle A. Ca2+-induce calcium release sparks via RYR2 B. IP3-mediated calcium release s…
Published	01/14/2024	Removal of cytosolic Ca2+ in skeletal muscle is most effective via A. PMCA B. NCX C. Ca-release channel D. SERCA type pump  …
Published	01/14/2024	Malignant Hyperthermia is a genetic disorder in RYR channel. It’s characterized by hyperthermia, rigidity, and increased metabolic rate. What proc…
Published	01/14/2024	If membrane potential is at equilibrium of NaA. Membrane potential at 0 mvB. Voltage gated Na channel is inactivatedC. Na influx is equal to Na ef…
Published	01/14/2024	Which of the ff is true about RMPA. Maintained by Na-K pumpB. Activation of voltage gated channelsC. At RMP, no net movement of K, Na and oth…
Published	01/14/2024	Troponin C: Skeletal Muscle_________: Smooth Muscle A acetylcholine B calreticulin C calmodulin D calsequestrin
Published	01/14/2024	In muscle contraction, which of the ff. shortens: (MMCQ)A. M lineB. A lineC. H bandD. I band
Published	01/14/2024	Which of the following events in bone resorption precedes the rest?A. Formation of ruffled borderB. Release of proteolytic enzymes C. Release of …
Published	01/14/2024	Which of these is an inhibitor for RANK L? A. Osteoporin B. Osteocalcin C. OstenectinD. Osteoprotegerin
Published	01/14/2024	Menopausal women have decreased estrogen production and release. With the absence of hormonal therapy, these women are prone to bone fracture becau…
Published	01/14/2024	Which of the following organs/tissues has the greatest reservoir of calcium ions? A. Blood vesselsB. BoneC. KidneysD. Intestine
Published	01/14/2024	Which of these following processes in calcium homeostasis occurs in equal rates? A. Gastrointestinal intake and outtake B. Intestinal filtrati…
Published	01/14/2024	Direct effect of PTH? Increase in: A. Vitamin D synthesis B. Renal reabsorption of Ca C. Intestinal absorption of Ca D. Renal reabsorpt…
Published	01/14/2024	Inhibition of the parathyroid secretion from the parathyroid gland is done by:A. Activation of phospholipase C pathway B. Activation of adenylyl …
Published	01/14/2024	Hypercalcemia can inhibit parathyroid secretion from parathyroid gland by: A. Activating phospholipase C pathway B. Activati…
Published	01/14/2024	Inadvertent removal of parathyroid gland of a patient who underwent total thyroidectomy is expected to have early onset of what: A. Hypocalciuric…
Published	01/14/2024	Which of the following is a correct statement regarding calcitonin? A. Secreted by the parafollicular cells of the  parathyroid gland B. Main…
Published	01/14/2024	A presynaptic neuron establishing synaptic connections with a postysynaptic neuron is stimulated twice at an interval of 5 minutes. What is the exp…
Published	01/14/2024	A postsynaptic neuron receives a response from 20 presynaptic terminal knobs. If all these presynaptic terminal knobs are stimulated at the same ti…
Published	01/14/2024	Which of the following is the most common cause of termination of terminal action at neuromuscular junction? (MMCQ) A. Reuptake of transmitt…
Published	01/14/2024	Botulinum toxin A prevents release of neurotransmitters by which mechanism? A. Cleavage of synaptobrevin B. Cleavage of SNAP-25 C. Inhibitio…
Published	01/14/2024	Which of the following best describes priming stage 1 of synaptic transmission? A. Binding of synaptotagmin to SNARE complex B. Formatio…
Published	01/14/2024	Which of the following electrophysiologic function is correctly paired with the change in ionic current? A. Fast EPSP closing of ca channels B…
Published	01/14/2024	Initiation of action potential in skeletal muscle ____________. A. Requires spatial facilitation B. Requires temporal facilitation C. Inhibite…
Published	01/14/2024	A postsynaptic neuron is stimulated by 15 presynaptic neurons at the same time. 12 of which are EPSPs with 6mV and 3 are IPSPs with 1.5mV. If the …
Published	01/14/2024	n an experiment, what will happen to a muscle in the state of rigor when you add ATP with no free calcium ions? A. Power stroke phase and the muscl…
Published	01/14/2024	Which of these mechanism for calcium ion removal from the cytosol is most effective for skeletal muscle? A. PCMA B. Ca release channel C. NCX …
Published	01/14/2024	The cocked state of myofilaments during cross-bridge is brought about by: A. ADP binding B. ADP release C. ATP binding D. ATP hydrolysis …
Published	01/14/2024	When the skeletal muscle contracts, what part of the sarcomere decreases in length? A. A band B. I band C. Z disk D. Thin fi…
Published	01/14/2024	At relatively low stimulating unit, action potential is recorded from the index finger. As the stimulating unit increases, action potential is rec…
Published	01/14/2024	Calcium plays a role in which of the following: (MMCQ)A.  Activation of enzymesB. Bone resorption C. Muscle ContractionD. Endocyto…
Published	01/14/2024	Which of these is/are the effects of Vit. D: It increasesA. Bone CalcificationB. Bone absorption C. Intestinal calcium absorptionD. Renal excreti…
Published	01/14/2024	True of muscle spindle? A. Enclosed by endomysium  B. Encapsulated sensory receptors  C. Contains extrafusal fibers D. No intra…
Published	01/14/2024	Which of the following describe cardiac muscle fibers? A. Absent T tubules B. Multinucleated cells C. Well-developed sarcoplasmic reticulum …
Published	01/14/2024	Which of the following is true about cartilage? A. Bond between fibers, gags and PGs define its physical prop B. Aside from …
Published	01/14/2024	Which is true about the hyaline cartilage? A. Central chondrocytes are larger than those in periphery B. Collagen fibers in matri…
Published	01/14/2024	Which of the following is the outer boundary of the Haversian system? A. Interstitial lamellae B. Canaliculi C. Circumferential lamellae …
Published	01/14/2024	Which of the following is true of the zone of hypertrophy of endochondral ossification? A. Enlarged cell that secretes type II collagen B. Cel…
Published	01/14/2024	Which of the cell stains intensely basophilic due to high amount of RER? A. Preosteoclast B. OsteoblastC. Osteocyte  D. Osteoclas…
Published	01/14/2024	A type of pyrophosphate inhibits the precipitation of hydroxyapatite crystals in other tissues except the bone. This inhibitor is produced by: A. …
Published	01/14/2024	The overlapping arrangement of these structures is responsible for the banding structure of skeletal and cardiac muscle: A. T tubules B. Myofibrils…
Published	01/14/2024	Which of the following describes cartilage matrix? (MMCQ)A. Collagen fiber content is the same in all types B. Absence of blood vesselsC. GAG is s…
Published	01/14/2024	Which of the following is/are true of osteoblasts? (MMCQ) A. Integrins attached them at the surface of bone matrix B. Non-differen…
Published	01/14/2024	Which of the following best describes compact bone? A. Lines the marrow cavityB. Forms the diploe of cranial bonesC. Osteocytes and osteoblast…
Published	01/14/2024	Which of the following regarding the epiphyseal cartilage zone in endochondral ossification is true? A. Resting zone -active division of chond…
Published	01/14/2024	Associated with thick filaments: A. Nebulin B Troponin C. Titin D. Alpha-actinin
Published	01/14/2024	During muscle contraction which band disappears? A. H band B. A band C. I band D. Z band
Published	01/14/2024	How many triads are there in a sarcomere? A. 1 B. 2 C. 3 D. 4
Published	01/14/2024	Which of the following is true of the smooth muscle? A. Single round nucleus at the center of the visceral muscle B. Numerous caveolae at…
Published	01/14/2024	What structure forms between the primary and secondary ossification centers? A. Epiphyseal Plate B. Osteoprogenitor Center C. Calcified Cartil…
Published	01/14/2024	Which of the following best describes woven bone? A. It is a secondary bone B. It is remodeled from a primary bone  C. Also called a b…
Published	01/14/2024	Which is true of bone components? A. Osteoclasts are formed by fusion of osteocytes B. Osteocytes have processes  C. Osteoblasts are de…
Published	01/14/2024	In the growth of epiphyseal plates, in which zone are hydroxyapatite crystals formed? A. Proliferative B. Hypertrophy C. Calcified Cartil…
Published	01/14/2024	What happens in chondrogenesis? (MMCQ)A. The mesenchymal cells are closely packed together B. The cartilage cells have ... cytoplasm  C.…
Published	01/14/2024	Which of the following serves to cushion between bone? A. Hyaline B. Elastic C. Fibrocartilage D. Hyaline and Elastic
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