Description : The disappearance of the dinosaurs also marks the end of which geological era? w) Precambrian x) Cambrian y) Mesozoic (pron: mez-ah-zo-ik) z) Cenozoic (pron: see-nah-zo-ik)
Last Answer : ANSWER: Y -- MESOZOIC
Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian
Last Answer : ANSWER: W -- CAMBRIAN
Description : The pituitary and thyroid glands are components of the: a) endocrine system(pron: EN-do-kren) b) cardiovascular system c) lymphatic system(pron: lim-FAT-ik) d) respiratory system
Last Answer : ANSWER: A -- ENDOCRINE SYSTEM
Description : A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)
Last Answer : ANSWER: B -- eutropHic
Description : The following vascular bed is constricted by caffeine: A. Coronary B. Cutaneous C. Cranial D. Mesenteric
Last Answer : C. Cranial
Description : An 80-year-old woman has a three month history of progressive numbness and unsteadiness of her gait. On examination, there is a mild spastic paraparesis, with brisk knee reflexes, ankle ... dorsal meningioma C. multiple sclerosis D. subacute combined degeneration of the cord E. tabes dorsalis
Last Answer : Ans: B
Description : Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a ... b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock
Last Answer : Answer: a, b, c Therapeutic adjustments of intravascular volume (preload) and systemic vascular resistance (afterload) form the basis of the treatment strategies for all ... careful constant monitoring of arterial pressure and repeated hemodynamic measurements with a pulmonary artery catheter
Description : On a topographic map, lines that indicate water depth are termed: w) isogonic lines (pron: eye-seh-gone-ik) x) bathymetric lines (pron: bath-i-meh-trik) y) isopachs z) none of these
Last Answer : ANSWER: X -- BATHYMETRIC LINES
Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian
Last Answer : ANSWER: X -- PERMIAN
Description : Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric
Last Answer : ANSWER: X -- SULFURIC
Description : The boiling point of normal paraffinic (pron: pair-ah-FIN-ik) hydrocarbons increases with the number of carbon atoms per molecule. What is the smallest number of carbon atoms a normal paraffinic ... and still be a liquid at room temperature (70-75 degrees Fahrenheit) and 1 atmosphere pressure.
Last Answer : ANSWER: FIVE
Description : Locomotion and heat production are functions of which system? a) lymphatic (pron: lim-FAT-ik) b) respiratory c) skeletal d) muscular
Last Answer : ANSWER: D -- MUSCULAR
Description : What is the primary CONSTITUENT of human bones? w) Calcium sulfate x) Calcium carbonate y) Hydroxyapatite (pron: high-drox-ee-ap-eh-tite) z) Chloroapatite (pron: klor-o-ap-eh-tite)
Last Answer : ANSWER: Y -- HYDROXYAPATITE
Description : From the following, name the type of mimicry by which an acceptable, palatable insect mimics an unfavorable, noxious insec for protection. a) Batesian mimicry (pron: BATE-see-an MIM-i-cree) b) Mullerian ... -ee-an MIM-i-cree) c) Femmes fatalles strategy (pron: fem fa-TAL) d) Monarchial mimicry
Last Answer : ANSWER: B -- MULLERIAN MIMICRY
Description : Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that ... law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting
Last Answer : ANSWER: A -- LAW OF SEGREGATION
Description : The blood vessel which carries oxygenated blood to the liver is – (1) Coronary Artery (2) PulmonawArtety (3) Carotid Artery (4) Hepatic Artery
Last Answer : (4) Hepatic Artery Explanation: In anatomy, the common hepatic artery is a short blood vessel that supplies oxygenated blood to the liver, pylorus (a part of the stomach), duodenum (a part of the small intestine) and pancreas.
Description : The blood vessel which carries oxygenated blood to the liver is (1) Coronary Artery (2) Pulmonary Artery (3) Carotid Artery (4) Hepatic Artery
Last Answer : Hepatic Artery
Description : Which of the following group of compounds is most soluble in water? w) alkanes (pron: ak-KANES) x) alcohols y) aldehydes (pron: al-deh-HIDES) z) alkenes (pron: al-KEENS)
Last Answer : ANSWER: X -- ALCOHOLS
Description : Blood flow in the following vascular bed generally decreases under the influence of glyceryl trinitrate: A. Coronary B. Cutaneous C. Renal D. Cranial
Last Answer : C. Renal
Description : Choose the correct statement about the action of nitrates on coronary vessels (a) They mitigate angina pectoris by increasing total coronary flow (b) They preferentially dilate conducting ... the larger arteries (d) They increase subepicardial blood flow without affecting subendocardial blood flow
Description : The vessels that supply blood to the heart are (a) vasa vasorum (b) cardiac (c) coronoid (d) coronary
Last Answer : Ans:(a)
Description : Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting ... through centrally mediated alpha-adrenergic stimulation in the brain, producing blood pressure reduction.
Last Answer : a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.
Description : A drug which preferentially dilates autoregulatory coronary arterioles with little effect on large conducting vessels is likely to: A. Evoke coronary steal phenomenon B. Mitigate classical angina but not ... . Decrease total coronary blood flow in healthy subjects D. Avert ECG changes of ischaemia
Last Answer : A. Evoke coronary steal phenomenon
Description : Choose the correct statement about the action of nitrates on coronary vessels: A. They mitigate angina pectoris by increasing total coronary flow B. They preferentially dilate conducting ... the larger arteries D. They increase subepicardial blood flow without affecting subendocardial blood flow
Last Answer : B. They preferentially dilate conducting arteries without affecting resistance arterioles
Description : Which vein brings clean blood from the lungs into the heart? (1) Renal Vein (2) Pulmonary Vein (3) Vena Cava (4) Hepatic Vein
Last Answer : (2) Pulmonary Vein Explanation: The pulmonary veins are a set of veins that deliver clean oxygenated blood from the lungs to the heart. It brings oxygen-rich blood to the left atrium. Systemic veins deliver deoxygenated blood to the heart.
Description : The blood vessel supplying blood to the kidney is – (1) the renal artery (2) the hepatic artery (3) the pulmonary artery (4) the carotid artery
Last Answer : (1) the renal artery Explanation: The renal arteries normally arise off the side of the abdominal aorta, immediately below the superior mesenteric artery, and supply the kidneys with blood. Each is directed across the the diaphragm, so as to form nearly a right angle with the aorta.
Description : The blood vessel carrying blood from the lungs to the heart is – (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery
Last Answer : (3) Pulmonary vein Explanation: The pulmonary veins are large blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart. In humans there are four pulmonary ... lung. They carry oxygenated blood, which is unusual since almost all other veins carry deoxygenated blood.
Description : In mammals, which blood vessel would normally carry largest amount of urea? (a) Hepatic vein (b) Hepatic portal vein (c) Renal vein (d) Dorsal aorta
Last Answer : (a) Hepatic vein
Description : Which vein brings clean blood from the lungs into the heart ? (1) Renal Vein (2) Pulmonary Vein (3) Vena Cava (4) Hepatic Vein
Last Answer : Pulmonary Vein
Description : The blood vessel supplying blood to the kidney is (1) the renal artery (2) the hepatic artery (3) the pulmonary artery (4) the carotid artery
Last Answer : the renal artery
Description : The blood vessel carrying blood from the lungs to the heart is (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery
Last Answer : Pulmonary vein
Description : Moth balls contain: w) formalin x) chitin (pron: kite-en) y) formaldehyde z) naphthalene
Last Answer : ANSWER: Z -- NAPHTHALENE
Description : Which of the following antibacterial substances is known to primarily affect gram-negative bacteria? a) spermine (pron: SPER-meen) b) interferon (pron: in-ter-FEER-en) c) phagocytin (pron: fag-a-SITE-en) d) leukins (pron: LEW-kins)
Last Answer : ANSWER: C -- PHAGOCYTIN
Description : Glial (pron: glee-el) cells are found in the: a) muscular system b) digestive system c) endocrine system (pron: en-de-kren) d) nervous system
Last Answer : ANSWER: D -- NERVOUS SYSTEM
Description : The hormone causing growth of the endometrium (pron: en-doe-me-tree-um) is: a) androgen (pron: ann-drah-jen) b) leutenizing hormone (pron: lew-ten-I-zing) c) estrogen d) prolactin
Last Answer : ANSWER: C -- estrogen
Description : The name of the ductless glands which secrete thei product into the circulatory system are: a) exocrine (pron: ek-seh-kren) b) apocrine (pron: ap-eh-kren) c) holocrine (pron: hoe-leh-kren) d) endocrine (pron: en-deh-kren)
Last Answer : ANSWER: D -- ENDOcrine
Description : One-celled algae enclosed in minute two-part silic shells are called: a) dinoflagellates (pron: die-no-flaj-el-ates) b) coelenterates (pron: sell-en-ter-ates) c) annelids d) diatoms
Last Answer : ANSWER: D -- DIATOMS
Description : The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate
Last Answer : Ans: A
Description : Which of the following is not a feat tare of a capitalist economy? (1) Right to private property (2) Existence of competition (3) Service motive (4) Freedom of choice to consumers
Last Answer : (3) Service motive Explanation: Capitalism is an economic system in which each individual in his capacity as a consumer, producer, and resource owner is engaged in economic activity with a large ... of businessmen, farmers, producers, including that of wage-earners are based on the profit motive.
Description : Yellow fibrous connective tissue is found in : - a. Renal capsule b. True vocal cords c. Walls of blood vessels d. Epimysium
Last Answer : Yellow fibrous connective tissue is found in : - a. Renal capsule b. True vocal cords c. Walls of blood vessels d. ... b, c C. c, d D. a, b, c
Description : Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts
Last Answer : B. Increased peristalsis of gut
Description : Which of the following statement(s) is/are true concerning the effects of MOFS? a. Pulmonary dysfunction tends to arise early and may resolve within 7 to 10 days b. Unless the precipitating ... infection, most commonly pulmonary, is a common complication providing a second hit to the patient
Last Answer : Answer: a, b, d Pulmonary dysfunction typically arises early in the development of systemic inflammation and may represent mild relatively localized acute lung injury or it may be a prelude ... is marked by progressive rise in serum bilirubin levels after a latent period of several days
Description : A 59-year-old trauma patient has suffered multiple septic complications including severe pneumonia, intraabdominal abscess, and major wound infection. He has now developed signs of multisystem organ ... the same extent d. In patients with hepatic failure, carbohydrate load should be increased
Last Answer : Answer: a, b The most severe complication of sepsis is multiple system organ dysfunction syndrome, which may result in death. The development of organ failure requires changes in the ... should be provided as fat emulsion. If encephalopathy develops, protein load should also be reduced0
Description : Altering the amino acid profile in total parenteral nutrition solutions can be of benefit in certain conditions. Which of the following conditions are associated with a benefit by supplementation with the ... c. Short gut syndrome and glutamine d. Chronic renal failure and essential amino acids
Last Answer : Answer: a, c In a number of conditions, altering the amino acid profile of the total parenteral nutrition solution can be of benefit. TPN with amino acids of high biologic value ... Glutamine-enriched TPN partially attenuates villous atrophy and may be useful in treatment of short gut syndrome
Description : A 60-year-old man was diagnosed last year with adenocarcinoma of the lung, and a 4 cm mass lesion was treated with a right lower lobectomy. He now has an ... 2) Membranous glomerulonephritis 3) Minimal change glomerulonephritis 4) Nodular glomerulosclerosis 5) Rapidly progressive glomerulonephritis
Last Answer : Answers-2 Most cases of membranous GN are idiopathic, but in some patients there is a history of an infection or a malignancy (usually lung) with antigenemia.
Description : The highest concentration of urea is found in – (1) Hepatic portal vein (2) Dorsal aorta (3) Hepatic vein (4) Renal vein
Last Answer : (3) Hepatic vein Explanation: The liver produces urea and other waste materials and then it pours it all in the right ventricle of the heart for oxygenation. The heart then distributes the ... indicates that hepatic vein carries the largest amount of urea, while the renal vein carries the least.
Description : The following is true of mannitol except: A. It inhibits solute reabsorption in the thick ascending limb of loop of Henle B. It is contraindicated in patients with increased intracranial tension C. It ... acute left ventricular failure D. It is not used to treat cardiac or hepatic or renal edema
Last Answer : B. It is contraindicated in patients with increased intracranial tension
Description : Which of the following processes plays the major role in terminating the action of phenobarbitone: A. Biliary excretion B. Renal excretion C. Hepatic metabolism D. Redistribution
Last Answer : B. Renal excretion
Description : The highest concentration of urea is found in (1) Hepatic portal vein (2) Dorsal aorta (3) Hepatic vein (4) Renal vein
Last Answer : Hepatic vein
Description : Identify the site where Wuchereria bancrofti is normally found in human body. (a) Muscles of the legs (b) Blood vessels of the thigh region (c) Skin between the fingers (d) Lymphatic vessels of the lower limbs
Last Answer : (d) Lymphatic vessels of the lower limbs