Saturday, March 15, 2008

96 - test yourself in medicine - multiple choice questions in medicine with answers and explanations - 701 to 800

701 - glutathione is a tripeptide comprising of ?

answer : glutamic acid , cysteine and glycine .

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702 - pinta is caused by ?

answer : treponema cerateum .

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703 - pneumococcus : capsulated , gram positive , quellung or neufeld reaction , draughtsman concentric rings on culture , non-motile and oxidase and catalase negative .

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704 - liver transplantation was first done by ?

answer : starzl .

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705 - most important HLA for organ transplantation and tissue typing ?

answer : HLA-D .

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706 - HLA matching is not necessary in which of the following organ transplantation ?

answer : liver transplantation .

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707 - vitamin C deficiency causes deficiency of which enzyme ?

answer : proline hydroxylase .

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708 - the couinaud's segmental nomenclature is based on the position of ?

answer : hepatic veins and portal vein .

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709 - post gonococcal stricture urethra is most commonly situated in the ?

answer : bulbar urethra .

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710 - reimplantation time for lower limb ?

answer : 8 hours .

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711 - after oesophagectomy the best substitute of oesophagus is ?

answer : stomach .

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712 - best and definitive diagnosis for breast lump ?

answer : open biopsy ( excision biopsy ).

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713 - first diagnostic procedure when the patient presents with lump is ?

answer : FNAC .

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714 - most malignant type of carcinoma breast ?

answer : mastitis carcinomatosa .

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715 - flap commonly used in breast reconstruction is ?

answer : TRAM .

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716 - spleniculi are accesory spleens , they are seen in ?

answer : hilum .

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717 - splenosis means ?

answer : rupture of spleen and distribution of its tissue on peritoneum .

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718 - spleen contains about how much percentage of the total blood volume ?

answer : 2 % .

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719 - removal of senescent RBC from the circulation by spleen is called ?

answer : culling .

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720 - triad of hypernephroma ?

answer : pain , hematuria and renal mass .

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721 - gredinogo's triad ( petrositis ) ?

answer : persistent ear discharge , retroorbital pain and 6th nerve palsy .

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722 - triad of behcet's syndrome ?

answer : recurrent oral ulcers , genital ulcers , iridocyclitis ( + skin ulcers make a tetrad ) .

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723 - triad of kwashiorkor ?

answer : oedema , growth retardation and mental changes ( apathy , listlessness , lethargy ) .

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724 - gold standard diagnostic test for varicose veins ?

answer : duplex imaging .

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725 - NNRTI s - DEN - delaviridine , efavirenz , nevirapine .

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726 - Neuritic Plaques - seen in Alzheimer's.

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727 - Coarse azurophilic granules in the leuko - seen in ALDER - REILLY SYNDRome .

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728 - Albumino-Cytologic Dissociation is pathognomic for Guillain-Barre (markedly increased protein in CSF with only modest increase in cell count).

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729 - Rouleaux Formation is pathognomic for multiple myeloma RBC's stacked as poker chips.

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730 - Podagra is pathognomic for gout (MP joint of hallux).

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731 - Wire Loop Glomeruli is pathognomic for lupus nephropathy type IV.

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732 - Chancre is pathognomic for primary Syphilis.

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733 - Gower's Maneuver is pathognomic for Duchenne's MD use of arms to stand.

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734 - S3 Heart Sound is pathognomic for L®R Shunt (VSD PDA) & Mitral Regurg & LV Failure.

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735 - Depigmentation Of Substantia Nigra is pathognomic for Parkinson's.

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736 - Cold Agglutinins is pathognomic for Mycoplasma pneumoniae & infectious mononucleosis.

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737 - Crescents In Bowman's Capsule is pathognomic for rapidly progressive (crescentic glomerulonephritis).

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738 - Painless Jaundice is pathognomic for pancreatic CA (head).

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739 - Erythema Chronicum Migrans is pathognomic for Lyme Disease .

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740 - Basophilic Stippling of RBCs is pathognomic for lead poisoning .

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741 - Thyroidization of Kidney is pathognomic for chronic pyelonephritis .

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742 - Tendinous Xanthomas is pathognomic for Familial Hypercholesterolemia .

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743 - S4 Heart Sound is pathognomic for Pulmonary Stenosis & Pulmonary HTN.

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744 - cleft lip is due to nonfusion of - maxillary process with the medial nasal process .

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745 - unilateral cleft lip is associated with - posterior displacement of alar cartilage .

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746 - most frequently fractured bone of the face ?

answer : nasal bone . then comes the zygomatic bone in the second place .

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747 - fracture mandible with edentulous jaw is best treated by ?

answer : external fixator .

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748 - common organism giving rise to UTI ?

answer : e coli .

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749 - acute urinary retention in a male child may be due to ?

answer : meatal ulcer with scabbing.

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750 - urinary cytology is a useful screening test for the diagnosis of ?

a- renal cell carcinoma

b- wilm's tumor

c- urothelial carcinoma

d- carcinoma prostate

answer is c . urothelial carcinoma .

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751 - low and fixed specific gravity of urine is seen in ?

answer : chronic renal failure .

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752 - on exertion urine stream increases in ?

answer : urethral stricture .

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753 - UTI exists when the bacterial count in 1 ml of midstream specimen of urine is ?

answer : 10 to the power of 5 or more . ( 100000 or more - 1 lakh or more ) .

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754 - site of transplantation in islet cell transplant for diabetes mellitus ?

answer : injected into the portal vein .

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755 - which of the following present as acute abdomen ?

a- acute intermittent porphyria

b- tabes

c- pneumonitis of the lower lobe

d- all

answer is d . all the above .

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756 - most common neoplasm of the appendix ?

answer : argentaffinoma ( carcinoid tumor ).

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757 - the most common site of enlargement of lymphnodes in hodgkin's lymphoma is ?

answer : mediastinal nodes .

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758 - treatment of acute lymphangitis ?

answer : antibiotics and rest .

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759 - total dose of radiation in hodgkins disease ?

answer : 3000 to 5000 rad ( 40 gy = 4000 rad ) .

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760 - most common site of lymphangiosarcoma ?

answer : post mastectomy edema of arm .

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761 - grade 1 lymphedema - edema disappearing after overnight rest ( pitting edema that disappears after lying down or rest )

grade 2 lymphedema - non pitting edema which does not disappear easily .

grade 3 lymphedema - lymphedema associated with irriversible skin changes like fibrosis and papillae .

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762 - most common infection after splenectomy ?

answer : streptococcal infection . ( mostly streptococcus pneumoniae )

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763 - most common complication after splenectomy is ?

answer : chest infection .

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764 - post splenectomy sepsis is common in ?

a- ITP

b- thalassemia

c- hereditary spherocytosis

d- trauma

answer is a , b , c .

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765 - the most important radiological sign of splenic rupture is ?

answer : obliteration of splenic shadow .

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766 - accidental small splenic rupture is treated with ?

answer : catgut suturing with omental patch .

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767 - splenic vein thrombosis is best treated by?

answer : splenectomy .

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768 - the rule of nine in the case of burns was first introduced by ?

answer : palaski and tennison and later modified by alexander wallace .

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769 - IV fluids rule for burns ?

answer : percentage of body surface area burnt X weight of the person in kgs X 4 = VOLUME IN ml . parkland formula .

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770 - fibroblast in healing wound is derived from ?

answer : local mesenchyme .

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771 - the vitamin which has inhibitory effect on wound healing ?

answer : vitamin E .

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772 - parathyroid adenoma most commonly involves which of the following site ?

a- thyroid substance

b- superior parathyroid lobe

c- inferior parathyroid lobe

d- in the mediastinum

answer is c . inferior parathyroid lobe .

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773 - most common cause of hypercalcemic crisis is ?

a- parathyroid adenoma

b- parathyroid hyperplasia

c- carcinoma breast

d- paget's disease

answer is c . carcinoma breast .

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774 - opsoclonus - myoclonus is a phenomenon seen in ?

a- neuroblastoma

b- wilms tumor

c- meningioma

d- cortical tuberculoma

answer is a . neuroblastoma .

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775 - extraperitoneal rupture of urinary bladder - where is urine collected ?

answer : above urogenital diaphragm in the perivesical space .

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776 - nerve which lies in association with the wharton's duct ?

answer : lingual nerve .

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779 - pleomorphic adenoma is the most common tumor of the parotid , submandibular and the sublingual salivary glands .

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780 - the most common tumor of the minor salivary glands ?

answer : adenoid cystic carcinoma followed by the mucoepidermoid carcinoma .

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781 - most common duct stones - submandibular gland .

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782 - in prostatic metastasis - the nodes which are most commonly involved ?

answer : obturator nodes .

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783 - which of the following is the most troublesome source of bleeding during a radical retropubic prostatectomy ?

answer : dorsal venous complex .

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784 - " sterile needle test " helps in differentiating ?

a- depth of burns

b- healing process

c- degenerative process

d- infection

answer is a . depth .

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785 - gasless abdomen in X ray is a sign of ?

answer : acute pancreatitis .

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786 - BCL 1 gene - mantle cell lymphoma

BCL 2 gene - follicular lymphoma .

MEN 1 gene - MEN 1 syndrome .

RET gene - MEN 2 syndrome .

MET gene - papillary renal tumor.

APC gene - familial adenomatous polyposis syndrome .

RB1 gene - retinoblastoma .

HPC 1 - hereditary prostate cancer .

EXT 1 and EXT 2 - exostosis - chondrosarcoma - hereditary multiple exostosis .

BRCA 1 and BRCA 2 - breast , ovarian , colon and prostate cancers - hereditary breast ovarian cancer .

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787 - in the acronym " swelling " used for history and examination of a lump or swelling , the letter N stands for ?

answer : noise ( thrill / bruit ) .

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788 - in triage yellow means - neither minor nor immediate category .

in triage green means - ambulatory patients / minor .

black - dead / non salvageable

red - immediate .

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789 - precancerous lesions of the larynx are?

answer : keratosis laryngis and pachyderma laryngis .

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790 - which of the following does not move on deglutition?

a- sublingual dermoid

b- thyroid nodule

c- pretracheal lymphnode

d- thyroglossal cyst

answer is a . sublingual dermoid .

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791 - secondaries in neck with no obvious primary malignancy is most often due to ?

a- carcinoma stomach

b- carcinoma larynx

c- carcinoma nasopharynx

d- carcinoma thyroid

answer is c . carcinoma nasopharynx .

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792 - the most common site of the internal opening of the branchial fistula is at the ?

answer : tonsillar fossa .

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793 - radical dissection of the neck includes all except ?

a- cervical lymph nodes

b- sternocleidomastoid

c- phrenic nerves

d- internal jugular veins

answer is c . phrenic nerves .

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794 - regarding cervical rib , which statement is correct ?

a- it causes pressure on the ulnar nerve.

b- pain is located in the forearm.

c- it always connects to the scalene tubercle by a fibrous band.

d- it passes through the apex of the supraclavicular triangle

answer is a and b .

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795 - which of the parts of the body is not affected by leprosy ?

answer : ovary .

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796 - in AIDS, lymphadenopathy is most often due to ?

a- TB

b- lymphoma

c- non specific enlargement of lymph node

d- kaposi sarcoma

answer is c .

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797 - multiple fistula in ano - commonly occurs in ?

a- TB

b- LGV

c- gonococcal protocolitis

d- colloid carcinoma of rectum .

answer is a and b .

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798 - erysipelas is caused by ?

answer : streptococcus pyogenes .

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799 - most common type of oral carcinoma ?

answer : Lip .

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800 - which of the following causes the least irritation of the peritoneal cavity ?

a- bile

b- blood

c- gastric enzyme

d- pancreatic enzyme

answer is b . blood .

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