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Board Reviews 5/4/2017 Physiology Test from 9/99 1 1. The chemosensitive area of the Medullaoblongata is most sensitive to? A. Carbonic acid B. H ions C. Bicarbonate ions D. O2 9. 2. Where is the somatosensory area of the brain located? A. Parietal lobe B. Occipital lobe C. Frontal lobe D. Temporal lobe 10. The release of which of the following hormones is necessary for ovulation to occur? A. Estrogen B. LH C. Progesterone D. Testosterone 3. The plateau of the cardiac action is due to? A. Slow calcium channels B. Slow potassium channels C. Slow Na channels D. Fast Na channels 11. With the head in the vertical position which of the following will detect static equilibrium? A. Utricle B. Cochlear duct C. Organ of corti D. Semicircular canals 4. The absolute refactory period is responsible for which of the following? A. To prevent tetany B. To create a stronger action potential C. Has no function D. To prevent paralysis 5. The release of a hormone from the anterior pituitary will stimulate the release of? A. Esterol B. Thyroxine C. Insulin D. Prolactin 12. Which of the following is the function of the oval window? A. Transmit vibration to the macula B. Transmit vibration to the utricle C. Transmit vibration to the scala vestibuli D. Transmit vibration to the cordae tympani Which of the following binds with the alpha receptor on vascular smooth muscle to cause vasoconstriction? A. Norepinephrine B. Dopamine C. Serotonin D. Acetylcholine 13. During repolarization of an action potential which of the following will exit? A. Na B. Potassium C. Mg D. Chloride 6. Alkaloids are detected by which takes sensations? A. Sour B. Bitter C. Sweet D. Salt 14. How is glucose transported within the presence of a carrier protein channels? A. Facilitated diffusion B. Active transport C. Sodium co-transport D. Osmosis 7. PCO2 pressure in the arterial blood is equivalent to? A. Atmospheric pressure B. Alveolus pressure C. Venous blood D. Pulmonary artery 15. Which of the following enhances permeability to increase heart conduction? A. Gap junctions B. SA node C. AV node D. Purkinje fibers 8. Which of the following inhibitor presynaptic neurotransmitters is for primary pain fibers in the substantial gelatinosa? A. Dopamine B. Enkephalin C. Serotonin D. Oxytocin 16. In the male the feedback of LH is accomplished by which of the following? A. Oxytocin B. Testosterone C. FSH D. Estrogen Board Reviews 5/4/2017 Physiology Test from 9/99 17. Which neurotransmitter is released at the Postganglionic sympathetics? A. Norepinephrine B. Dopamine C. Enkephalins D. Acetylcholine 18. Renal ultra-filtration occurs in what location of the kidney? A. Glomerular capillaries B. Renal collecting ducts C. Afferent arteriol D. Proximal tubule 19. Loss of fluid in adults at ambient temperature of 70 degrees is by? A. Urination B. Respiration C. Defecation D. Perspiration 20. Which of the following increases gastric mobility? A. Secretin B. Cholecystokinin C. Gastrin D. Serotonin 21. Which of the following prevents gastric reflux? A. Caving in of the esophagus B. Physiological sphincter similar to the pylorus C. Esophageal constriction D. Stomach contraction 22. Stimulation of gut smooth muscle by the sympathetic nervous system causes? A. Hyperpolarization & function B. Increased positively of membrane potential C. rate and amplitude out of peristalisis D. tonic contraction of gut sphincters 23. Which of the following is not involved in smooth muscle contraction? A. Autonomic nervous system stimulation B. Hormonal secretion C. Stretch reflex D. Voluntary motor stimulation 24. The bodies primary response to rapid hemorrhage with blood loss is? A. rennin production of the JG cells B. ADH C. barroreceptor, D. barroreceptors 2 25. Secretin causes release of? A. Bicarbonate B. Gastrin C. HCL D. Intrinsic factor 26. Which of the following causes contraction of the gallbladder? A. Cholecytokinin B. Secretin C. Gastrin D. Estrogastrene 27. Thermostatic variation is recognized by which area of the CNS? A. Anterior hypothalamus B. Medial hypothalamus C. Lateral hypothalamus D. Posterior hypothalamus 28. In acidosis the kidney ? the secretion of? A. Increases, bicarbonate B. Increases carbon dioxide C. Decreases bicarbonate D. Decreases carbon dioxide 29. In the kidney tubule what is converted to ammonia? A. Lysine B. Tyrosine C. Glycine D. Glutamine 30. Which of the following is responsible to degeneration of the endometrium? A. Estrogen B. Prolactin C. Oxytocin D. Corpus lutem involution 31. Destruction of what area results in the inability to formulate sentences? A. Broca’s area B. Wernickers area C. Prefrontal area D. Visual association cortex 32. Lymphatic tissue is predominantly found in? A. Skin and gut B. Skin and liver C. Liver and gut D. Skin and skeletal muscle Board Reviews 5/4/2017 Physiology Test from 9/99 33. Edema is caused by? A. plasma colloid osmotic pressure B. Lymphatic pumping of skeletal muscle C. arteriole pressure D. venous pressure 34. Proteins are absorbed across the lumen of the small intestine as? A. Peptides B. Dipeptides C. Polypeptides D. Amino acids 35. The action of Norepinephrine on none SA node is mediated by what type of transmembrane reaction? A. Ca B. Na C. Potassium D. Chloride 41. Aldosterone has its greatest effect on? A. sensation of chloride at the distal tubule B. reabsorption of filtering it Na at the distal tubule C. secretion of Na at the distal tubule D. 42. Testosterone is produced in secreted by? A. Epididymis B. Interstitial cells of lydig C. Seminepherus tube D. Seroni cells 43. Which of the following hormones is responsible for decrease blood glucose levels? A. Cortisol B. Insulin C. Glucagons D. Epinephrine 36. A wide, call, bizarre QRS wave? A. Premature ventricular contraction B. Atrial fibrillation C. Myocardial infarction D. Ventricular tachycardia 44. Preganglionic sympathetic fibers arise from what part of the spinal cord? A. Anterior worn B. Posterior horn C. Substantia gelatinosa D. Intermedio 37. Which of the following immunoglobulins crosses the placenta? A. IgA B. IgG C. IgD D. IgM 45. The autorhythmicity of the heart is controlled by? A. SA node B. AV node C. Bundle of his D. Purkinje fibers 38. Which of the following is responsible for contraction according to Starlings law? A. Blood pressure B. H ion C. Venous return D. Carbon dioxide 46. One hormone is secreted by the posterior pituitary? A. ADH B. C. D. 39. Vasoconstriction of a Peripheral blood vessel is a cure terrific of which nervous system? A. Somatic B. Sensory C. Sympathetic D. Parasympathetic 47. Which hormone is release during long-term stress? A. Dopamine B. Acetylcholine C. Cortisol D. Serotonin 48. Ca is released from one part of the muscle? A. Actin B. T. tubules C. Sarcoplasmic reticulum D. Troponin-tryponmysin complex 40. Which of the following stimulates red blood cell production? A. Vitamin E. B. Vitamin C. C. Erythropoietin D. Fibrin 3 Board Reviews 5/4/2017 Physiology Test from 9/99 49. The flow of urine after the minor calyx is into the? A. Major calyx B. Ureter C. Renal pelvis D. Renal sinus 50. Which of the following allows impulse of heart, heart to be functionally syncytium? A. Intercalated disc B. Actin C. Myosin D. Troponin 51. Sugars are of Forbes in which of the following forms? A. Monosaccharide’s B. Polysaccharides C. Disaccharide’s D. Oligosaccharides 52. The majority of acetylcholine is removed from the sympathetic cleft by? A. Enzamatic degeneration B. Re-uptake C. Diffusion D. Phagocytosis 53. The movement of white blood cells in response to a concentration gradient is called? A. Chemotaxis B. Hemotaxis C. . D. . 54. Principal site for fat digestion is? A. Stomach B. Duodenum C. Ileum D. Jejunum 55. Ammonia is converted to urea by? A. Liver B. Kidney C. Muscle D. Spleen 56. Ammonia is carried in bloodstream by? A. Urea B. Uric acid C. Glutamine D. Bile salts 57. The major way by a which cholesterol is a laminated from the body is? A. Feces B. C. D. 4