Notes in 🛍️ Shopee ✪ CU

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🛍️ Shopee - 🛍️ BIOCHEMISTRY + ST [page 423]

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Published	01/14/2024	1) Which of the following associations is INCORRECT? a. Copropophyrinogen: proprionate, methylb. Uroporphyrinogen: acetate, propionate c. Porphobili…
Published	01/14/2024	2) A 24- year old patient was brought to the clinic with acute abdominal pain, depression and extreme weakness. Urine analysis revealed the presence o…
Published	01/14/2024	3) Which of the enzyme deficiencies will present with hepatic porphyria? a. ALA synthase b. Uroporphyrinogen III synthasec. ALA dehydratase d. ferroch…
Published	01/14/2024	4) Heme is said to negatively impact ALAS activity. Which of the following mechanisms is responsible for this effect of heme on ALAS1?a. affects trans…
Published	01/14/2024	5) A 50-year old man with jaundice turned out to have a cancer of the head of the pancreas impinging on the common bile duct. Which ofthe following te…
Published	01/14/2024	) A deeply jaundiced 6 hours old newborn became lethargic and had seizures. His blood type is A Rh(+) while his mother is O Rh(+). Which of the follow…
Published	01/14/2024	)Type III protoporphyrins are abundant in nature because of the activity of: a. UPG III synthaseb. PPG oxidase c. CPG oxidase d. UPG decarboxylase
Published	01/14/2024	8) The formation of coproporphyrinogen is catalyzed by a/an: a. Lyaseb. Hydrolase c. Ligase d. Oxidoreductase
Published	01/14/2024	9)The side chains of the porphyrin ring are derived from: a. Succinyl CoA b. Neither neither glycine nor succinyl CoAc. Glycine d. Both glycine and su…
Published	01/14/2024	10) A 24- year old patient was brought to the clinic with acute abdominal pain, depression and extreme weakness. Urine analysis revealed the presence…
Published	01/14/2024	11) An 8-year old boy is brought to a dermatologist due to the appearance of vesicles and bullae on his face and arms following a weeklong exposure t…
Published	01/14/2024	12) Which of the following conditions will present with direct hyperbilirubinemia? a. Dubin Johnson Syndrome b. Physiologic jaundice of the newborn c…
Published	01/14/2024	13) Heme oxygenase is the enzyme complex responsible for the catabolism of heme. Which of the following is one of its end-products?a. NAD+b. Fe+3c. O2…
Published	01/14/2024	14) A 60-year old man comes to the clinic due to jaundice. He complained of abdominal pain, weight loss and pale stools. Which of the following would…
Published	01/14/2024	15) Which of the following statements regarding bilirubin is CORRECT? a. Bilirubin is a linear tetrapyrrole b. Bilirubin bound to globulin is transpo…
Published	01/14/2024	16)Which of the following processes must bilirubin undergo to become water soluble? a. Transporter bindingb. Oxidation c. Conjugationd.Condensation
Published	01/14/2024	17) Which of the following is responsible for the movement of bilirubin from hepatocytes to bile? a. MOAT b. ligandin c. transferase d. Albumin
Published	01/14/2024	18) Which of the following is not a heme protein? a. Cytochrome cb. Cytochrome P450 c. Albumin d. Catalase
Published	01/14/2024	19) Which of the following disorders will present with acholuric jaundice? a. Post hepatic disordersb. Hepatic and post-hepatic disorders c. Hemolysi…
Published	01/14/2024	20) Which of the following are storage iron? a. Ferritinb. Cytochrome c. Myoglobind. d. Enzymes
Published	01/14/2024	21) Which of the following is correct about iron distribution? a. Transferrin is produced in the intestine.b. Iron can be transported in either the …
Published	01/14/2024	22) Which of the following describes hepcidin? a. It degrades ceruloplasminb. An antiviral peptide. c. Releases iron from macrophages. d. Iron absorpt…
Published	01/14/2024	23) One of the following is a ferrireductase in intestinal absorption. a. Hephaestinb. Dcyt B c. STEAP 3 d. Ceruloplasmin
Published	01/14/2024	24) Which of the following is its iron content easily absorbed? a. eggsb. cereal c. poultry d. beans
Published	01/14/2024	25) With prolonged exercise, " Cardiovascular Drift" is a term that describes a slow decrease in a. Blood pressureb. Stroke volume c. Cardiac output d…
Published	01/14/2024	26) The primary reason why cardiac output slowly decreases in prolonged exercise, especially in hot and humid conditions isa. Stroke volume diminishes…
Published	01/14/2024	27) In starting a physical exercise program, the first type of activity should be a. Stationary bikingb. Walking c. Calisthenics d. Yoga
Published	01/14/2024	28) The study of acute responses and chronic adaptations to a wide range of physical exercise conditions a. Exercise physiologyb. Exercise c. Physica…
Published	01/14/2024	29) During exercise, function of the different organs of the body are geared towards maintaining optimum function of thea. Lungs Answer b. Brain c. Ki…
Published	01/14/2024	30) During high intensity exercise lasting for five minutes, the primary source of energy is a. Glucoseb. Glycogen c. Free fatty acids d. phosphocreat…
Published	01/14/2024	31) Glucose uptake into trained muscle during moderate intensity exercise increases up to 20 times but insulin secretion decreases becausea. Epinephri…
Published	01/14/2024	32) Achieving 100% VO2max is not possible because a. No subject can perform exercise to the failure limit.b. Blood flow to the skeletal muscles is l…
Published	01/14/2024	33) The most important reason for encouraging physical fitness in a population is a. reduces the risk for coronary heart diseaseb. improves the p…
Published	01/14/2024	34) Maximum health benefits are provided by exercises that improve a. balanceb. endurance c. strength d. coordination
Published	01/14/2024	35) The reason why plasma glucose concentration should be maintained during exercise is a. Glucose must be made available to muscle tissue all the ti…
Published	01/14/2024	36) The maximum heart rate for a 50 year old male is a. 165b. 180 c. 170 d. 175
Published	01/14/2024	37) The most readily available source of energy for muscle activity is a. Free fatty acidsb. Glucose c. Phosphocreatine d. Lactate
Published	01/14/2024	38) Night vision surveillance or targeting systems rely on heat loss from humans, animals, or machines viaa. conductionb. evaporation c. convection d.…
Published	01/14/2024	39) With training, VO2max is increased by the muscles' greater capacity to extract oxygen from blood as well as a. Increased maximal heart rateb. Inc…
Published	01/14/2024	40) In endurance as well as strength training, the basic rules are overload, specificity, and a. Intensityb. Frequency c. Reversibility d. Duration
Published	01/14/2024	41) The control center for ventilation is located in the a. Hypophysisb. Medulla oblongata c. Thalamus d. Hypothalamus
Published	01/14/2024	42) The study of how skeletal muscle derives its fuel for its activity a. Physical conditioningb. Exercise physiology c. Exercised. Bioenergetics
Published	01/14/2024	43) Before embarking on an exercise program, the first thing to do is a. Perform a treadmill test b. Determine the target heart rate. c. Fill out a fi…
Published	01/14/2024	44) Training reduces ventilatory response to exercise because a. Lung expansion is increased b. Muscle capacity for aerobic ventilation is increased …
Published	01/14/2024	45) Which of the following reactions will most likely be affected in Zinc deficiency states? a. Succinyl coA + glycine → ALA b. Porphobilinogen → hyd…
Published	01/14/2024	46) Rifampicin, an anti-TB drug, induces the cytochrome p450 system. If this drug is inadvertently given to a patient with acute porphyria it may ____…
Published	01/14/2024	47) A researcher is studying the clinical use heme oxygenase system (HOS) partly from the cytoprotective and anti-inflammatory effect of the released …
Published	01/14/2024	48) The formation of coproporphyrinogen is catalyzed by a/an:a. Ligase b. Hydrolase c. Oxidoreductase d. Lyase
Published	01/14/2024	49) Which of the following reaction/s occur/s in the mitochondria of hepatocytes? 1. Aminoketoadipateàaminolevullinate 2. porphobilinogenàhydroxymethy…
Published	01/14/2024	50) Heme is formed from two amphibolites from which metabolic pathways? 1-Glycolysis 2-Citric acid cycle 3-Electron transport chain 4-Amino acid metab…
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