Mcqs

Question 1

Injury to surgical neck of humerus affects which nerve?

Answer 1

Axillary nerve

Question 2

Erb’s palsy involves which roots?

Answer 2

C5-C6

Question 3

Wrist drop is due to injury of which nerve?

Answer 3

Radial nerve

Question 4

Lateral boundary of femoral triangle?

Answer 4

Sartorius muscle

Question 5

Most stable joint in body?

Answer 5

Hip joint

Question 6

Which is NOT a rotator cuff muscle?

Answer 6

Teres major

Question 7

Deltoid muscle nerve supply?

Answer 7

Axillary nerve

Question 8

Main blood supply of femoral head?

Answer 8

Medial circumflex femoral artery

Question 9

Artery in anatomical snuffbox?

Answer 9

Radial artery

Question 10

Sciatic nerve roots?

Answer 10

L4-S3

Question 11

Longest bone in body?

Answer 11

Femur

Question 12

Strongest tendon in body?

Answer 12

Achilles tendon

Question 13

Knee unlocking muscle?

Answer 13

Popliteus

Question 14

Common peroneal nerve injury leads to?

Answer 14

Foot drop

Question 15

Nerve in carpal tunnel?

Answer 15

Median nerve

Question 16

Largest sesamoid bone?

Answer 16

Patella

Question 17

Type of intercostal nerves?

Answer 17

Mixed nerves

Question 18

First bone to ossify?

Answer 18

Clavicle

Question 19

Bone rotating in supination?

Answer 19

Radius

Question 20

Main weight-bearing bone of leg?

Answer 20

Tibia

Question 21

Atlas vertebra lacks what?

Answer 21

Body

Question 22

Axis vertebra contains what?

Answer 22

Dens (odontoid process)

Question 23

Scaphoid fracture complication?

Answer 23

Avascular necrosis

Question 24

Function of glenoid labrum?

Answer 24

Deepens joint

Question 25

Function of menisci?

Answer 25

Shock absorption

Question 26

Main ion in muscle contraction?

Answer 26

Calcium

Question 27

Resting membrane potential?

Answer 27

-70 mV

Question 28

Normal SA node rate?

Answer 28

60-100 bpm

Question 29

Average stroke volume?

Answer 29

70 ml

Question 30

Longest cardiac cycle phase?

Answer 30

Diastole

Question 31

Right shift of O2 dissociation curve caused by?

Answer 31

Increased CO2

Question 32

Primary respiratory center?

Answer 32

Medulla

Question 33

Function of surfactant?

Answer 33

Reduces surface tension

Question 34

Normal GFR?

Answer 34

125 ml/min

Question 35

ADH acts on?

Answer 35

Collecting duct

Question 36

Effect of insulin?

Answer 36

Decreases blood glucose

Question 37

Effect of glucagon?

Answer 37

Increases blood glucose

Question 38

Effect of thyroxine?

Answer 38

Increases metabolism

Question 39

Vitamin D function?

Answer 39

Increases calcium absorption

Question 40

PTH effect?

Answer 40

Increases calcium

Question 41

Hormone for bone remodeling?

Answer 41

PTH

Question 42

Fast muscle fibers type?

Answer 42

Glycolytic

Question 43

Slow muscle fibers type?

Answer 43

Oxidative

Question 44

Main neurotransmitter at NMJ?

Answer 44

Acetylcholine

Question 45

Plateau phase due to?

Answer 45

Calcium influx

Question 46

Cardiac muscle control?

Answer 46

Involuntary

Question 47

Skeletal muscle control?

Answer 47

Voluntary

Question 48

Smooth muscle feature?

Answer 48

Non-striated

Question 49

Cardiac output formula?

Answer 49

HR x SV

Question 50

Blood pressure formula?

Answer 50

CO x TPR

Question 51

Earliest event in inflammation?

Answer 51

Vasodilation

Question 52

Main cells in chronic inflammation?

Answer 52

Macrophages

Question 53

Caseation necrosis seen in?

Answer 53

Tuberculosis

Question 54

Coagulative necrosis seen in?

Answer 54

Infarction

Question 55

Liquefactive necrosis seen in?

Answer 55

Brain

Question 56

Fat necrosis seen in?

Answer 56

Pancreatitis

Question 57

Programmed cell death?

Answer 57

Apoptosis

Question 58

Granulation tissue indicates?

Answer 58

Healing

Question 59

Late stage healing?

Answer 59

Fibrosis

Question 60

Most common osteomyelitis organism?

Answer 60

Staphylococcus aureus

Question 61

Giant cells seen in?

Answer 61

Tuberculosis

Question 62

Reed-Sternberg cells seen in?

Answer 62

Hodgkin lymphoma

Question 63

Increase in number of cells?

Answer 63

Hyperplasia

Question 64

Increase in size of cells?

Answer 64

Hypertrophy

Question 65

Reversible cell change?

Answer 65

Metaplasia

Question 66

Premalignant condition?

Answer 66

Dysplasia

Question 67

Uncontrolled growth?

Answer 67

Neoplasia

Question 68

Tumor from mesenchyme?

Answer 68

Sarcoma

Question 69

Tumor from epithelium?

Answer 69

Carcinoma

Question 70

Fracture healing type?

Answer 70

Secondary intention

Question 71

Callus formation indicates?

Answer 71

Bone healing

Question 72

Bone resorbing cells?

Answer 72

Osteoclasts

Question 73

Bone forming cells?

Answer 73

Osteoblasts

Question 74

Rickets cause?

Answer 74

Vitamin D deficiency

Question 75

NSAIDs mechanism?

Answer 75

COX inhibition

Question 76

Aspirin action?

Answer 76

Irreversible COX inhibition

Question 77

Paracetamol function?

Answer 77

Analgesic

Question 78

Morphine acts on?

Answer 78

Opioid receptors

Question 79

Naloxone use?

Answer 79

Opioid overdose antidote

Question 80

Drug of choice in anaphylaxis?

Answer 80

Adrenaline

Question 81

Atropine action?

Answer 81

Anticholinergic

Question 82

Beta blockers effect?

Answer 82

Decrease heart rate

Question 83

ACE inhibitors effect?

Answer 83

Decrease blood pressure

Question 84

Calcium channel blockers?

Answer 84

Vasodilation

Question 85

Penicillin mechanism?

Answer 85

Inhibits cell wall synthesis

Question 86

Macrolides mechanism?

Answer 86

Protein synthesis inhibition

Question 87

Aminoglycosides act on?

Answer 87

30S ribosome

Question 88

Tetracycline side effect?

Answer 88

Teeth discoloration

Question 89

Rifampicin used for?

Answer 89

Tuberculosis

Question 90

Isoniazid side effect?

Answer 90

Peripheral neuropathy

Question 91

Metformin action?

Answer 91

Decreases glucose

Question 92

Insulin effect?

Answer 92

Anabolic

Question 93

Warfarin type?

Answer 93

Anticoagulant

Question 94

Heparin onset?

Answer 94

Immediate

Question 95

Steroids action?

Answer 95

Anti-inflammatory

Question 96

Furosemide type?

Answer 96

Loop diuretic

Question 97

Thiazide effect?

Answer 97

Mild diuresis

Question 98

Digoxin effect?

Answer 98

Increases contractility

Question 99

Lidocaine use?

Answer 99

Local anesthetic