medical MCQs – Page 358

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

7141. Open faced nucleus in a cell signifies______________?
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A. that the cell is active

B. That the cell is resting

C. that the cell is in transition phase

D. nothing

7142. ESR depends on_______________?
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A. All of the above

B. Viscidity

C. Rouleaux

D. Fibrinogen

7143. the acrosome reaction occurs, when the sperm_____________?
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A. Comes in contact with zone pellucida

B. Enters the uterine cavity

C. Penetrates cell membrane of oocyte

D. Penetrates corona radiate

7144. Christmas factor is_____________?
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A. PTA

B. VWA

C. Prothrombin

D. PTC

7145. Function of GABA on CNS is_______________?
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A. Neuronal inhibition

B. Glial cell activation

C. Neuronal activation

D. Glial cell inhibition

7146. Two major types of muscle fibres are found in humans_____________?
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A. White and red

B. White and yellow

C. white and brown

D. White and gray

7147. The glomerular filtration rate of the human kidney may be determined by measuring the plasma clearance of______________?
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A. Urea

B. PAH

C. Inulin

D. Glucose

7148. The biological anticoagulant is________________?
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A. Sodium citrate

B. Hirundine

C. Double oxalate mixture

D. EDTA

7149. The largest fraction of the total body fluid is_______________?
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A. Whole blood

B. Extracellular fluid

C. Intracellular fluid

D. Plasma

7150. Universal blood donor ill be a blood group of_______________?
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A. Positive

B. Negative

C. AB positive

D. AB negative

7151. The major sign of hypoventilations_____________?
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A. Hypercapnia

B. Hypoxia

C. Dyspnea

D. Cyanosis

7152. The function common to neutrophils, monocytes & macrophages is______________?
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A. Liberation of histamine

B. Destruction of old erythrocytes

C. Phagocytosis

D. Immune response

7153. Albumin is_____________?
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A. Nucleo protein

B. Phospho protein

C. Chromo protein

D. Simple protein

7154. Most important function of albumin in body is_______________?
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A. Coagulation

B. Oncotic pressure

C. Toxic transport

D. Drug transport

7155. Which of the following is not true about axonotmesis ?
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A. Impairment of both sensory and motor function

B. Wallerian degeneration

C. Intact neural sheath is not present

D. Reversible loss, which will be regenerated i 6-8 wks

7156. Hemoglobin has______________?
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A. Four heme molecules and four polypeptide chains

B. Four heme molecules, 2? and 2? chains

C. One heme and one globin molecule

D. Four polypeptide chains, 2?, 1?,1? chain

7157. Which of the following is not involved in blood clotting ?
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A. Fibrinogen

B. Fe+2

C. Calcium

D. Prothrombin

7158. The contractile element in a skeletal muscle is present in______________?
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A. Sarcoplasm

B. Sarcolemma

C. Myofibril

D. Endomysium

7159. What is the glomerular filtration rate ?
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A. 150 ml/min

B. 175 ml/min

C. 100 ml/min

D. 125 ml/min

7160. A patient with A ve blood group can receive blood from_______________?
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A. Positive donor

B. AB positive donor

C. A negative donor

D. B negative donor

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