Notes in 🛍️ Shopee

To Subscribe, use this Key

Status	Last Update	Fields
Published	01/14/2024	1. Which of the following is a characteristic of slow fibers?A. They have less extensive blood supplyB. They have extensive sarcoplasmic reticulumC. T…
Published	01/14/2024	2. What process directly precedes the transmitter release at the synaptic cleft?A. Arrival of the action potential at the presynaptic terminalB. Openi…
Published	01/14/2024	3. Which of the following neurotransmitters is considered as classic, excitatory, amino acid, and functions as the cerebral cortex and brainstem?A. ac…
Published	01/14/2024	4. Atropine, an anticholinergic drug, causes dry mouth by inhibiting which of the ff receptors:A. M2B. M3C. N2D. M1
Published	01/14/2024	5. The velocity of conduction of action potentials along a nerve will be decreased byA. inhibiting the Na+-K+ pumpB. myelinating the nerveC. decreasin…
Published	01/14/2024	6. Which of the following responses is mediated by parasympathetic muscarinic receptors?A. Erection of the external genitaliaB. Dilation of bronchiola…
Published	01/14/2024	7. Signs and symptoms of organophosphate (insecticide) poisoning include constricted pupils, bronchoconstriction, decreased HR, and excessive sweating…
Published	01/14/2024	8. What is generated when there is a positive increase in voltage above the normal resting neuronal potential?A. HyperpolarizationB. Action PotentialC…
Published	01/14/2024	9. Which of the following is paired correctly regarding the cross-bridge cycle?A. ADP release- released stateB. ATP binding- attached stateC. ATP hydr…
Published	01/14/2024	10. What initiates the opening of Voltage-Gated Na channels at the sarcolemma which leads to greater influx of Na ions?A. Calcium ionsB. Acetylcholine…
Published	01/14/2024	11. A newly developed local anesthetic blocks Na+ channels in nerves. Which of the following effects on the action potential is expected?A. abolish hy…
Published	01/14/2024	12. After extensive laboratory testing, a 60-year-old man is found to have pheochromocytoma which mainly secretes epinephrine. Which sign is expected …
Published	01/14/2024	13. A 42 y/o man with myasthenia gravis notes increased muscle strength when he is treated with an acetylcholinesterase inhibitor. The basis for his i…
Published	01/14/2024	14. Which of these set of processes involved in calcium homeostasis occurs at approximately equal rates (in mg/day) in normal adult?A. Intestinal abso…
Published	01/14/2024	15. The muscarinic acetylcholine receptor is an example of an.A. Metabotropic receptorB. Nuclear receptorC. Ionotropic receptorD. Catalytic receptor
Published	01/14/2024	16. Which of these proteins is an inhibitor of the RANK Ligand?A. EstrogenB. CalcitoninC. Parathyroid HormoneD. Vitamin D
Published	01/14/2024	17. During these phases of action potential, the cell membrane is relatively refractory to stimulation.A. Upstroke and early downstroke phasesB. Late …
Published	01/14/2024	18. Which drugs affects the transmission at the neuromuscular junction by stimulating the muscle fiber through acetylcholine-like action?A. CarbacholB…
Published	01/14/2024	19. Which of the ff. cranial nerves contributes to majority of the total parasympathetic output?A. IXB. vIIC. XD. III
Published	01/14/2024	20. Which of the following initiates attractive forces between the actin and myosin filaments in the skeletal muscles?A. Adenosine triphosphateB. Acti…
Published	01/14/2024	21. Which of the following DOES NOT mediates postsynaptic inhibition?A. Refractory periodB. Reciprocal innervationC. Short circuiting mechanismD. Acti…
Published	01/14/2024	22. Which of the following correctly describes feedback inhibition?A. A neuron is connected through two pathways, one excitatory and other inhibitoryB…
Published	01/14/2024	23. Which of the ff. takes place during osteocytic osteolysis?A. increased number and size of osteoclastsB. dramatic decrease in bone massC. increased…
Published	01/14/2024	24. The triad in skeletal muscle physiology is composed of the following componentsA. 2 transverse tubule, 1 sarcoplasmic reticulum cisternaeB. 1 tran…
Published	01/14/2024	25. Which of the following serve as function of cutaneous circulation?A. skin colorB. Temperature controlC. Nutrient supplyD. All of the above
Published	01/14/2024	26. Which of these steps in bone formation occurs last?A. Precipitation of calcium salts forming hydroxyapatite crystalsB. Rapid polymerization of col…
Published	01/14/2024	27. Which of the following synaptic fiber connections is considered as less common but is used to modulate the synaptic activity?A. AxoaxonicB. Axosom…
Published	01/14/2024	28. Sympathetic preganglionic fibers that innervate cutaneous blood vessels to skeletal muscles originate from which spinal cord segment?A. T1 to L2B.…
Published	01/14/2024	29. SALBUTAMOL is useful in the treatment of asthma because it promotes bronchodilation by acting as an agonist of which of the following receptor?A. …
Published	01/14/2024	30. Which type of muscle stimulation causes increase in tension but no shortening of the muscle fiber?A. Isometric contractionB. Isotonic contractionC…
Published	01/14/2024	31. Aside from the obvious difference in terms of direction, anterograde is different from retrograde axonal transport mainly because anterograde axon…
Published	01/14/2024	32. What happens during the upstroke phase of the nerve action potential? There isA. Net outward current and the cell interior becomes less negative.B…
Published	01/14/2024	33. Which of the following DOES NOT participate in formation of ternary complex of SNARES during synaptic vesicle fusion and exocytosis?A. Synaptotagm…
Published	01/14/2024	34. Among the sources of energy for muscle contraction, what is the first source of energy that is used to reconstitute ATP?A. Oxidative metabolismB. …
Published	01/14/2024	35. Which ganglion when stimulated will produce exclusively serous secretionsA. Ciliary ganglionB. Pterygopalatine ganglionC. Submandibular ganglionD.…
Published	01/14/2024	36. Which of these events in bone resorption precedes the rest?A. Formation of a ruffled borderB. Release of proteolytic enzymes from lysosomesC. Phag…
Published	01/14/2024	37. What adrenergic receptor is activated to promote increased heart rate?A. Beta 2B. Beta 1C. Beta 3D. Alpha 2
Published	01/14/2024	38. Which of the following is a characteristic of graded potentials but NOT of action potentials?A. It is a change in the resting membrane potentialB.…
Published	01/14/2024	39. Which of these is a direct effect of the parathyroid hormone? It increasesA. Vitamin D synthesisB. Intestinal absorption of calciumC. Renal reabso…
Published	01/14/2024	40. Which of the following is correct regarding the regulatory proteins in skeletal myofibril?A. Inhibition of actin filament is brought by the tropon…
Published	01/14/2024	41. What is responsible for the transmission of nerve impulses between neurons and other effector cells?A. NeuromodulatorB. Presynaptic neuronC. Neuro…
Published	01/14/2024	42. All of the following mediates the cessation of muscle contraction by removing calcium ions from the sarcoplasm. Which among these is more common a…
Published	01/14/2024	43. Which of these sets of organs play major roles in calcium homeostasis?A. Brain, Lungs, & KidneysB. Blood vessels, Intestine, & LungsC. Bon…
Published	01/14/2024	44. Skeletal muscles: ________ as smooth muscles:_______A. troponin C, calreticulinB. troponin C, calmodulinC. troponin T, calmodulinD. troponin T, ca…
Published	01/14/2024	45. Which of the following is mainly responsible for the more lasting effect of a sympathetic response compared to the parasympathetic response?A. pre…
Published	01/14/2024	46. Sympathetic preganglionic fibers that innervate the heart come from which spinal segment:A. C1 to C4B. C5 to C8C. T1 to T4D. T5 to T9
Published	01/14/2024	47. Which of the following processes, that lead to the termination of synaptic transmission, entails closure of the ligand-gated ion channels while th…
Published	01/14/2024	48. Activation of sympathetic postganglionic fibers arising from the inferior mesenteric ganglion causes?A. penile erectionB. relaxation of urinary sp…
Published	01/14/2024	49. When a pointed object is drawn lightly over the skin, which vascular response will happen?A. WhealB. Red reactionC. White reactionD. Flare
Status	Last Update	Fields