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☕️ Coffee - ☕️ BIOCHEMISTRY AND SPECIAL TOPICS 2 & 3 2ND BIMONTHLY EXAM [page 130]

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Published	01/14/2024	A 25-year-old woman who recently took birth control pills is rushed to the emergency room with abdominal pains, anxiety, hallucinations and parano…
Published	01/14/2024	Acquired porphyria may be due to elevated levels of A. mercury B. manganese C. copper  D. lead
Published	01/14/2024	Iron is transported to the liver and macrophages in what form? A. Ferritin B. Ferric  C. Ferrous D. Hemosiderin
Published	01/14/2024	When there is enough iron in the blood, which of the following happens? A. In the transferrin receptor mRNA 3’, the IRP binds to the IRE B. Activ…
Published	01/14/2024	Which of the following best describes hepcidin? A. Synthesized in the gallbladder B. Degrades ferroportin  C. Completes with iron tran…
Published	01/14/2024	Which of the following decreases iron absorption? A. Gastrectomy (to cut a portion of the stomach)  B. Milk C. Ascorbic acid D. (+) Helic…
Published	01/14/2024	Which of the following enzymes in heme synthesis requires pyridoxal phosphate as a cofactor? A. Coproporphyrinogen oxidase B. ALA dehydratase …
Published	01/14/2024	Which of the following enzymes in heme synthesis requires zinc as a cofactor? A. ALA synthase B. PBG deaminase C. ALA dehydrataseD. Copro…
Published	01/14/2024	Which of the following is the basis of giving IV hemin infusion for patients with symptomatic porphyria? A. It increases the rate of deg…
Published	01/14/2024	Which of the following pair is correct with regards to iron form and its location?A. Ferric – cytoplasm of other cells B. Ferric – ferroportin C. F…
Published	01/14/2024	Which of the following properties of gases is described by Boyle’s law? A. Volume and temperature B. Pressure and number of molecules  …
Published	01/14/2024	Which of the following reduces ferric iron to ferrous iron? A. Hepcidin B. Ceruloplasmin C. Duodenal cytochrome b  D. Hephaestin …
Published	01/14/2024	49. Which of the following statements regarding iron metabolism is correct? A. Iron must be oxidized into ferric state before it is transported …
Published	01/14/2024	Which of the following transports iron in its ferric form? A. Ferroportin B. Transferrin  C. DMT1 D. Dcytb
Published	01/14/2024	A body system must be exercised at a level beyond ning effect to occur. This is the training principle of A. acclimatization B. specifi…
Published	01/14/2024	A sedentary 48-year-old man consults you asking for an exercise program to help him lose weight. He relates that he has episodes of elevated …
Published	01/14/2024	A sedentary overweight 35-year-old man comes to you wanting to train for a 10-km run in 2021. His resting heart rate is 80 beats/min. Using a Karvo…
Published	01/14/2024	An increase in subject’s VO2max is an indicator of exercise A. duration B. dosage C. effect D. frequency
Published	01/14/2024	AVO2 difference is a function of A. oxygenation capacity in the lungs B. renal capacity to exercise byproducts of metabolic activity C. capi…
Published	01/14/2024	During prolonged exercise, cardiovascular drift occurs due to A. lower preload B. decreased stroke volume C. increased cortisol secretion D. incr…
Published	01/14/2024	During prolonged submaximal exercise, the main physiologic challenge is to maintainA. heart rate B. serum glucose levels C. body pH within …
Published	01/14/2024	For the sedentary main in Question #5 (a sedentary overweight 35-year-old comes to you wanting to train for a 10- km run in 2021). His resting hear…
Published	01/14/2024	High resistance training results in A. increased muscle mass B. increased capillary density of muscle C. increased muscle endurance D. increased de…
Published	01/14/2024	How much input of the cardiac output is received by the brain at rest? A. 3% B. 10% C. 15%  D. 20%
Published	01/14/2024	In a marathon, an athlete will rely primarily on _____ as the source of his energy. A. carbohydrate B. phosphocreatine C. fat D. glycogen
Published	01/14/2024	In prescribing an exercise program, percentage of maximal heart rate is used to define the _____ of the activity. A. intensity B. type of exer…
Published	01/14/2024	Maximal heart rate for a 63-year-old female A. 157 bpm B. 178 bpm C. 186 bpm D. 192 bpm
Published	01/14/2024	Sweating during exercise facilitates heat loss through A. evaporation B. convection C. radiation D. conduction
Published	01/14/2024	The body’s thermoregulatory center is in the A. thalamus B. brain stemC. hypothalamusD. carotid body
Published	01/14/2024	The clinical observation that best indicates VO2 A. Patient’s subjective rating of difficulty B. Heart rate  C. Core body temperat…
Published	01/14/2024	The type of exercise activity that would bring about the greatest increase in VO2max A. Body building B. YogaC. Basketball D. Zumba dancing&n…
Published	01/14/2024	Training reduces the ventilatory response to exercise due to A. increased sensitivity of the carotid bodies to H+ ion B. increased epinephrine…
Published	01/14/2024	Using a wet suit in cold water is a method to prevent heat loss throughA. conduction B. convection C. evaporation D. radiation
Published	01/14/2024	VO2 max is limited by A. oxygen carrying capacity of the blood B. maximum rate of breathing C. maximum heart rate D. maximum stroke volume
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