sciatic
femoral
The femoral nerve arises from the lumbar plexus (L2, 3, and4). Its Muscular branches to the sartorius, the pectineus, andthe quadriceps femoris muscles
Obturator
common peroneal
46. Dormant state of Malarial Parasite is
merozoites
nerozoites
sporozoites
hypnozoite
Malarial parasites and especially its P. vivax and P. ovale can remain dormant in billiary tract or gall bladder in the form of Hypocrites
47. Vibration and Touch is the function of
Pacinian corpuscles
Pacinian corpuscle: are Onion-like structures in the subcutaneous skin (surrounding
unmyelinated nerve endings)Sensations mediated are Vibration, tapping. These are Rapidly adapting receptors.
Merckal discs
Meissner"s corpuscles
tactile receptor
48. Infectious Mononucleosis is associated with
EBV
EBV: Infectious Mononucleosis. Characterized by fever, hepatosplenomegaly, pharyngitis, and lymphadenopathy (especially posterior cervical nodes).
CMV
HHV
RSV
49. Unique feature of Corneal Layer Bowman membrane is
non regenerative
Bowman’s membrane—It is made up ofcollagen fibrils. It does not regenerate whendamaged. This results in the formation ofpermanent corneal opacity
regeneration
flexible
Neuroma
50. Hearing is better In Noise ,due to
chochlear damage
osteosclerosis
Paracusis willisii:. An otosclerotic patient hears better in noisy than quiet surroundings. This is because a normal person will raise his voice in noisy surroundings.
ossicular damage
meniater"s disease 51. Basal Ganglia part includes
pons
putamen
Basal ganglia Important in voluntary movements and making postural adjustments.Receives cortical input, provides negative feedback to cortex to modulate movement.Striatum = putamen (motor) + caudate (cognitive).Lentiform = putamen + globus pallidus.
crus cerebri
uncus
52. evaporation gradient is monitored by
hypothalamus
thermal gradient
As much as the difference of temperature is there, between evaporating surface and external environment (thermal gradient), so is the evaporation rate.
anterior pituitary
posterior pituitary
53. Homocystenemia is caused by deficiency of
B12
Hypersegmented neutrophils, glossitis, decreased B12, increased homocysteine, increased methylmalonic acid.Neurologic symptoms: subacute combined degeneration (due to involvement of B12 in fatty acid pathways and myelin synthesis).
B6
B3
vitamin C
54. drug causes hypoglycemia in of asthma
alpha agonists
beta agonists
Beta agonists drugs used in acute exacerbation of asthma (status asthmaticus) also cause release of insulin and that is why cause hypoglycemia.
beta blockers
alpha blockers
55. Most common side effect of pyrazinamide
myositis
hypersensitivity
hyperuricemia
Pyrazinamide: MECHANISM: Mechanism uncertain. Thought to acidify intracellular environment via conversion to pyrazinoic acid. Effective in acidic pH of phagolysosomes, where TB engulfed by macrophages is found.CLINICAL USE: Mycobacterium
tuberculosis.TOXICITY: Hyperuricemia, hepatotoxicity.
vomiting
56. Complement levels are decreased in
Hashimoto
nephrotic syndrome
Acute GN
SLE
Antihistone antibodies—sensitive for drug-induced lupus.Anticardiolipin antibodies—false positive on tests for syphilis, prolonged PTT (paradoxically, decreased risk of arteriovenous thromboembolism).Decreased C3, C4, and CH50 due to immune complex formation 57. Thoracolumber nervous system is
parasympathetic
sympathetic
In Autonomic nervous system, cranio-sacral outflow (CN III, VII, IX & X with S2-4) form the Parasympathetic part. While ThoracoLumber outflow (T1-L2) forms the sympathetic part.
cranial
enteric
58. Pulmonary Embolism is closely related to all except
ARDS
asthma
Sudden-onset dyspnea, chest pain, tachypnea. May present as sudden death.Types: Fat, Air, Thrombus, Bacteria, Amniotic fluid, Tumor. Fat emboli—associated with long bone fractures and liposuction classic triad of hypoxemia, neurologic abnormalities, and petechial rash.
long bones fractures
infection
59. Sjogren syndrome is associated with
Anti TNF
Anti SM
Anti ASA
Anti SS
Anti-SSA, anti-SSB (anti-Ro, anti-La): Sjửgren syndromeAnti-TSH receptor: Graves diseaseAnti-U1 RNP (ribonucleoprotein): Mixed connective tissue diseasec-ANCA (PR3- ANCA): Granulomatosis with polyangiitis (Wegener)
60. For Tr plant, which is most important compatibility to be checked?
ABO
Rh
HLA
HLA (Human Leukocyte Antigen) antigens are the antigens related to the hypersensitivity reactions. These are most important to be compatible before tr plantation.
DR2
61. High speed of current in purkenjie is due to
high Na chanels
Purkinje fibers have a large cross section, a cytoplasm with few contractile fibrils and a large content of glycogen. It has highest speed of conduction due to more Na chanels.
interclated disc
gap junctions
desmosomes
62. Baroreceptors activity cause following change in the arterial pressure
decrease
maintain
increase
Baroreceptors:Hypotension—decreased arterial pressure decreased stretch and decreased afferent baroreceptor firing leading to increased efferent sympathetic firing and decreased
efferent parasympathetic stimulation leading to vasoconstriction and increased HR,
increased contractility and increased BP. Important in the response to severe hemorrhage.
monitor
63. Pregnant lady with mild diastolic murmur, valve involved
pulmonary
mitral
Due to fluid overload in pregnancy mitral valve disease become more severe.
tricuspid
aortic
64. Pt is Using Warfarin, what to monitor
PT
PT is monitored for Warfarin therapy and APTT is monitored for heparin therapy.
INR only
Hb
TLC
65. Spinal Branch of Accessory Nerve can be injured in
anterior triangle
posterior triangle
The spinal root runs downwardand laterally, and it enters the deep surface of the
sternocleidomastoid muscle, which it supplies, and then crossesthe posterior triangle of the neck to supply the trapeziusmuscle.
carotid triangle
digastric triangle
66. A pt. with short of breathing but no CVS or respiratory ailment, Clinician finds an anterior neck swelling, cause of SOB
CHF
pulmonary embolism
fat embolism
retrosternal goiter
Here in the scenario, the anterior neck swelling points out to the thyroid swelling (goiter) and SOB with no CVS or respiratory ailment is more in favor of Retrrosternal goiter 67. Congo Red Stain is characteristics of the
fibroid necrosis
Amylodosis
Amyloidosis: Abnormal aggregation of proteins (or their fragments) into b-pleated sheet structuresleading to damage and apoptosis. It is stained by congo red staining.
Sjogren syndrome
SLE
68. MOA Spironolactone
Na reabsorption
Aldosterone antagonist
MECHANISM: Spironolactone and eplerenone are competitive aldosterone receptor antagonists in the cortical collecting tubule.
K loss
ADH agonist
69. Globally most common cause of blindness
HIV
chlamydia infection
Chlamydia trachomatis serotypes:Types A, B, and C Chronic infection, cause blindness due to follicular conjunctivitis in Africa.
HCV
HBV
70. Concentration of Na in CSF is
150
160
Isotonic to serum
Normal CSF is a clear fluid, isotonic with serum (290-295 mOsm/L). The pH of CSF is 7.33 (arterial blood pH, 7.40, venous blood pH, 7.36). Sodium ion (Na+) concentration is equal in serum and CSF (:O:l38 mEq/L).
170
71. TMJ Joint is stabilized by
temporal Ligament
menisci
temporomandibular ligament
capsule
The temporomandibular joint is a synovial joint. The fibrocartilaginous disc divides the joint into upper and lower cavities.CAPSULEThe capsule encloses the joint. It stabilizes the joint 72. Diabetic Patient has retinopathy Due To damage to
counjuctiva
small vessels
Small vessel disease (diffuse thickening of basement membrane) retinopathy (hemorrhage, exudates, microaneurysms, vessel proliferation) A, glaucoma, nephropathy (nodular
sclerosis, progressive proteinuria, chronic renal failure, arteriolosclerosis leading to hypertension, Kimmelstiel-Wilson nodules)
large vessels
intermediate vessels
73. Duodenal ulcers can perforate which artery
right gastric
post. gastrodudenal
Hemorrhagic Complication of Peptic Ulcer: Gastric, duodenal (posterior > anterior).
Ruptured gastric ulcer on the lesser curvature of the stomach leading to bleeding from left gastric artery.An ulcer on the posterior wall of the duodenum leading to bleeding from gastroduodenal artery
spleenic
ant. Gastrodudenal
74. severity and onset of Food Poisoning manifestations is related to
amount of poison
virulence
Severity and onset of the manifestations of the food poisoning is more closely related with the virulence of the organism instead of amount of poison.
dose
frequency
75. Decrese intake of fluid or increase calcium is advised in
CKD
Chronic kidney disease is a fluid overload state, that is why it is advisable to decrease fluid intake in CKD. While CKD is also associated with hypocalcemia, that is why Ca intake should be increased.
CLD
COPD
CVA
76. Encapsulated afferent are all except
free nerve endings
Free nerve endings are not encapsulated rest all are capsulated.
Meissner"s corpuscles
muscle spindles
Pacinian corpuscles
77. significant finding after 12 hours of MI is increased
neutrophils
At 1st 12-24 hours, Neutrophil migration starts.Reperfusion injury may cause contraction bands (due to freeradical damage).
lymphocytes
macrophages
monocytes
78. free radicals are cleared by
vitamin B2
B3
vitamin E
Free radicals can be eliminated by enzymes (e.g., catalase, superoxide dismutase, glutathione peroxidase), spontaneous decay, antioxidants (e.g., vitamins A, C, E).
B6
79. CO causes Hb dissociation curve to
right
left
Carboxyhemoglobin: Form of Hb bound to CO in place of O2. Causes decreased oxygen- binding capacity with a left shift in the oxygen-hemoglobin dissociation curve. Decreased O2 unloading in tissues.
upward
downward
81. which of following is anti-Diabetic and Asthmatic Drug?
salbutamol
Salbutamol is a short acting beta agonists that is used in severe attack of asthma. Moreover, it increases the insulin release and hence can be used in hyperglycemia.
betametahsone
montileukast
beclomethasone
82. most common non bacterial opurtunistic infection in burn patient is
blastomycosis
giardia
P. carinii
candida
Candida albic : alba = white.Systemic or superficial fungal infection. Oral and esophageal thrush in immunocompromised (neonates, steroids, Burns,diabetes, AIDS),
vulvovaginitis(diabetes, use of antibiotics), diaper rash, endocarditis in IV drug users, disseminated candidiasis (to any organ), chronic mucocutaneous candidiasis
83. A baby with congenital rubella have loud S2, which can be true about it
TGA
PDA
Continuous machine-like murmur. Loudest at S2. Often due to congenital rubella or prematurity. Best heard at left infraclavicular area.
ASD
VSD
84. Ventricular Muscle take nerve Supply Directly from
CN IX
CN X
Innervation:The cardiac plexus is a combination of sympathetic and parasympathetic (vagal) fibers. Sympathetic stimulation increases the heart rate. Nerves that sense pain associated with coronary artery ischemia (angina) follow the sympathetic pathways back into spinal cord segments Tl-TS. Parasympathetic stimulation slows the heart rate. Sensory nerves that carry the afferent limb of cardiac reflexes travel with the vagus nerve.
T12
T11
85. Loss of E Cadherin is associated with
tumors
defective growth
Ehlor Danlos syndrome
malignancy
A first step in the invasion of malignant cells through an epithelium results from a loss of expression of cadherins that weakens the epithelium
86. characteristic cells in Chronic Inflammation are
monocytes
macrophages
lymphocytes
Characteristic cells of the acute inflammation are the neutrophils While that of Chronic inflammation are the lymphocytes.
fibrinocytes
87. after Severe Hemorrhage, Na is Reabsorb By
ADH
inhibin
brush border
Aldosterone
Aldosterone—acts on mineralocorticoid receptor leading to insertion of Na+ channel on luminal side.ADH—acts at V2 receptor leading to insertion of aquaporin H2O channels on luminal side.3–5% Na+ reabsorbed
88. Phrenic nerveis anterior to
trachea
esophagus
root of lung
The left phrenic nerve descends along the left side ofthe left subclavian artery and crosses the left side of the aortic arch and the left vagus nerve. It passes in front of theroot of the left lung and then descends on the pericardiumto the diaphragm
azygus vein
89. Somites are formed by
Mesoderm
Mesoderm forms paraxial mesoderm (35 pairs of somites), intermediate mesoderm, and lateral mesoder.
ectoderm
Endoderm
neuroectoderm
90. Lymphoid hyperplasia is seen in which infection
leishmeniasis
Leishmania donovani: is tr mitted by sandfly, It causes Visceral leishmaniasis with lymphoid hyperplasia(kala-azar): spiking fevers, hepatosplenomegaly, pancytopenia
T. vaginalis
chronic malaria
CML
91. stroke patient in ICU have absent bicep reflex but brisk knee and ankle jerk which involve??
C5
C4
C6
Brisk reflexes given here in scenario point out to the upper motor neuron lesion, while absent bicep reflex shows the C6 level lower motor neuron lesion of the bicep reflex.
C7
92. Pt Can"t Supinate after Knife Injury, nerve involved
radial
Supination: Biceps and supinator muscles. Supinator is supplied by radial nerve. This movement returns the pronated hand to the anatomic positionso that the palm faces anteriorly and the thumb lies on thelateral side. (Supination is more powerful than pronation.)
ulnar
Musculocutaneous
median
93. Spleen - White Pulp is associated with antigen collection from
lymph
blood stream
White pulp is a site for collection of antigens from the bloodstream (in contrast to lymph nodes which collect antigens from lymph) and provides an optimal environment for T and B lymphocytes and antigen-presenting cells to respond to the antigen.
lymph nodes
hepatic circulation 94. Confirmatory test for AIDS is
ELIZA
western blots
HIV diagnosis: Presumptive diagnosis made with ELISA (sensitive, high false-positive rate and low threshold, rule out test),positive results are then confirmed with Western blot assay (specific, high false-negative rate and high threshold, rule in test).
nothern blots
southern blots
95. Different of Alpha and Beta Chain are in?
sideroblastic anemia
Thalasemia
In Thalasemia, one of the Hb chain either alpha chain or the beta chain is deficient leading to mismatch proportion of the Hb chains.
hemophilia
CML
96. A pt with lower respiratory tract infection, presents with acute SOB and collapsed there, hyaline membranes are seen on autopsy, cause
asthmatic attack
ARDS
Acute respiratory distress syndrome:May be caused by trauma, sepsis, shock, gastric aspiration, uremia, acute pancreatitis, or amniotic fluid embolism. Diffuse alveolar damage leading to alveolar capillary permeability leading to protein-rich leakage into alveoli and noncardiogenic pulmonary edema (normal PCWP). Results in formation of intra-alveolar hyaline membrane.
pulmonary edema
pulmonary embolism
97. Hyperthyroid patients tachycardia is due to
Dopamine
epinephrine
adrenaline
In hyperthyroidism, Chest pain, palpitations, arrhythmias, are due to increased number and sensitivity of β-adrenergic receptors.
alpha receptors
98. A jaundiced pt with increaed protoporphyrin and ALA, cause
iron deficiency
B12 deficiency
folate deficiency
lead poisoning
Lead poisoning: Affected Enzymes are the Ferrochelatase and ALA dehydrataseleading to accumulation ofProtoporphyrin, δ-ALA (blood
01 May2018 Evening (B)
1Q: Number of Division of lower respiratory tract?
21
23
the tract continues down into the lungs where the passage divides mulle times (as much as 24 times in an adult), with each passageway growing smaller until it terminates in the miniature air sacs that make up our lungs.
Ref: Critical Care Medicine: Principles of Diagnosis and Management in the Adult. By Joseph
17
19
1Q: Executive malaise diagnosed in patient with HCV-RNA. Routine labs, USG and LFTS normal? What should be the treatment plan for this patient?
Interferon only
Ribavirin only
Peginterferon
Follow-up
The diagnosis of HCV infection is established with antibody screening followed by NAT for HCV RNA for confirmation as well as for follow-up of patients on treatment. Viral load assessment at baseline is also critical for determining response kinetics during therapy 1Q: Vagal parasympathetic fibers end in GIT at which level?
At junction of mid and terminal 3rd of tr verse colon
The gastric nerves supply all abdominal org and the gastrointestinal tract ending just before the left colonic
At distal end of sigmoid colon
1Q: Primary graft rejection is caused by?
Preformed antibodies
Helper T-cells
Cytotoxic T-cells
Antigen-triggered T cell activation and the subsequent infiltration of activated CD4+, CD8+, macrophages, and natural killer (NK) cells into the graft are key events in acute allograft rejection
1Q: Ovary has pool of follicles. Number of follicles developing in each menstrual cycle?
15-20 primordial follicles are stimulated and one is selected
Folliculogenesis describes the progression of a number of small primordial follicles into large preovulatory follicles that occurs in part during the menstrual cycle.
4-5 are stimulated
One follicle is thrown out of the ovary
1Q: Autoradiography in histology, uses which technique?
Fluorescent dye
Radioactive ions bound with antibodies
Radioactive ions
Autoradiography is a specific biological tool used to detect radioactive materials by using X- ray photographic films
1. Meningococcal Meningitis is caused by
H. influenza
Strep Pneumoniae
neisseria meningitis
Neisseria Meningitis Causes meningococcemia and meningitis, Waterhouse-Friderichsen syndrome
staph aureus
2. An important mechanism of Regulation of Renal Blood Flow is
CNS regulation
metabolic control
autoregulation
Autoregulation of Renal Blood Flow is accomplished by changing renal vascular resistance. If arterial pressure changes, a proportional change occurs in renal vascular resistance to maintain a constant RBF. RBF remains constant over the range of arterial pressures from 80 to 200 mm Hg (autoregulation).
electrolyte balance
3. During tussue repair, collagen is produced by
macrophages
lymphocytes
fibroblasts
Connective tissue helps in the repair of injuries whereby the fibroblasts lay down collagen fibres to form the scar tissue.
eosinophil
4. Osteoid is formed but not mineralized in
Scurvy
Ehlar Danlos
fibromatosis 1
rickets
Osteoid tissue is formed normally and the cartilage cells proliferate freely, but mineralization does not take place. This results in craniotabes, rachitic rosary at the costochondral junctions, Harrison"s sulcus at the diaphragmatic attachments, enlarged epiphyses in limb bones and the spinal and pelvic deformities
5. Dysarthria is associated with lesion of
medulla
cerebellum
Cerebellar hemisphere: Intention tremor, limb ataxia, and loss of balance, damage to the cerebellum results in ipsilateral deficits, fall toward side of lesion Cerebellar hemispheres are laterally located—affect lateral limbs. Cerebellar vermis: Truncal ataxia, dysarthria
pons
Midbrain
6. Granulation tissue and amorphous substance formation is the function of
Elastin
macrophages
fibroblasts
Fibroblasts: Deposition of granulation tissue and collagen, angiogenesis, epithelial cell proliferation, dissolution of clot, and wound contraction (mediated by myofibroblasts)
lymphocytes
7. Meckels Diverticulum is associated with
yolk sac
mesenchyme
vitteline sinus
vitelline duct
True diverticulum. Persistence of the vitelline duct. May contain ectopic acid–secreting gastric mucosa and/or pancreatic tissue. Most common congenital anomaly of the GI tract 8. A pt. presents with body rash and plethora, investigation shows Inc Red Cell Mass, Dx..?
CML
CLL
polycythemia
Polycythemia vera: Hematocrit > 55%, somatic (non-hereditary) mutation in JAK2 gene.
Often presents as intense itching after hot shower. Rare but classic symptom is
erythromelalgia (severe, burning pain and reddish or bluish coloration) due to episodic blood clots in vessels of the extremities
ALL
9. which of following is the common complication of Parenteral Nutrition
hyperglycemia
Hyperglycaemia is common complication of TPN,particularly following pancreatitis, and may necessitate infusion of insulin.
hypoglycemia
hypokalemia
hypercalcemia
10. Pleurocentesis is done in which Inter costal space at midclavicular line
6th
7th
8th
9th
Passage of instruments through the 9th intercostal space is done in the lower part of the space to avoid the intercostal neurovascular structures (as during a thoracentesis) 11. Vasopressin Stored In?
hypothalamus
anterior pituitary
posterior pituitary
Antidiuretic hormoneSOURCE Synthesized in hypothalamus (supraoptic nuclei), released by posterior pituitary
middle lobe 12. PDA is closed By
PGE2
indomethacin
PGE is used to keep the PDA open in certain heart defects (tr position of great vessels). PGE inhibitor (e.g., indomethacin), acetylcholine, histamine, and catecholamines promote closure of the ductus arteriosus in a premature birth.
ibuprofen
TXA2
13. Which structure damaged in broad ligament of uterus
Fallopian artery
uterine artery
Uterine artery: This artery runs medially on the floor ofthe pelvis and crosses the ureter superiorly (Fig. 3-9). Itpasses above the lateral fornix of the vagina to reach theuterus, where it ascends between the layers of the broadligament along the lateral margin of the uterus
vaginal artery
pelvic artery
14. Characteristic RBC morphology in myelofibrosis
burr cells
hemlet cells
Basophilic sling
Tear drop cells
Myelofibrosis:Fibrotic obliteration of bone marrow . Teardrop RBCs and immature forms of the myeloid line
15. Hormone that prevents Ovulation During Lactation
Prolactin
Prolactin inhibits ovulation during lactation.
estrogen
progesterone
LH
16. Kussmul breathing is associated with
alkalosis
acidosis
Decreased HCO3 concentration causes a decrease in blood pH (acidemia).Acidemia causes hyperventilation (Kussmaul breathing), which is the respiratory compensation for metabolic acidosis.
DM
Hepatic Enceph
17. thoracolumbar outflow is related to
autonomic
parasympathetic
sympathetic part
ThoracoLumber outflow give rise to the sympathetic nervous system While Cranio-sacral outflow gives rise to parasympathetic system.
gastrointestinal
18. Vibrio Cholera is tolerant to
high temperature
lowest temperature
neutral
alkaline
Vibrio cholerae Produces profuse rice-water diarrhea via enterotoxin that permanently activates Gs, increased cAMP. Comma shaped, oxidase positive, grows in alkaline media.
Endemic to developing countries. Prompt oral rehydration is necessary 19. Which of following is fractured most commonly
Anterior cranial fossa
occiput
middle cranial fossa
Fractures of the middle cranial fossa are common, because this is the weakest part of the base of the skull.This weakness is caused by the presence of numerousforamina and canals in this region.
temple
20. Which drug depresses the SA node
sotalol
Digoxin
CLINICAL USE CHF (increases contractility), atrial fibrillation (decreases conduction at AV node and depression of SA node).