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একটি ট্রেনের স্থির অবস্থায় দৈর্ঘ্য হলো 100 m। এটি অতি উচ্চ বেগে 80m দৈর্ঘ্যের একটি সুড়ঙ্গের মধ্য দিয়ে যায়। সুড়ঙ্গের দুই প্রান্তে অবস্থিত পর্যবেক্ষকরা লক্ষ করেন যে, একটি মুহূর্তে ট্রেনটির দৈর্ঘ্য ঠিক সুড়ঙ্গের দৈর্ঘ্যের সমান হয়। c এর এককে ট্রেন এর বেগ কত? (A train has a rest length of 100 m. Traveling at a very high velocity, it goes through a tunnel of length 80 m. Observers located at both ends of the tunnel note that at one instant the train appears to exactly fit within the tunnel. What is the velocity of the train expressed in units of c?)
A 0.866 c
B 0.333 c
C 0.5 c
D 0.6 c
At which of the following is responsible for carpal tunnel syndrome/
A Median nerve compression
B Radial nerve compression
C Axillary nerve compression
D Ulnar nerve compression
Causes of Carpal Tunnel syndrome include
A Diabetes Mellitus
B Pregnancy
C Rheumatoid Arthritis
D Hyperthyroidism
E Systemic Lupus Erythematosus
In Carpal tunnel syndrome
A Affection is due to entrapment neuropathy of median nerve
B The usual age group is 40-50 years
C Corticosteroid injection into the carpal tunnel provides temporary relief
D Males are commonly affected
E Wasting of hypothenar muscles and thumb flexion weakness
Carpal tunnel syndrome
A It may occur during pregnancy
B More pain during night sleep
C Phalen's test is positive in carpal tunnel syndrome
D Is a self limiting disease
E Sensory impairment over thenar area of hand
Characteristic features of Carpal Tunnel Syndrome are
A Pain and paraesthesia in the distribution on median nerve
B Common in Rheumatoid arthritis and in myxedema
C Symptoms are noticed usually at night
D Compression of ulnar nerve
E Common in men
The carpal tunnel transmits
A The median nerve
B The tendon of flexor digitorum superficialis
C The ulnar nerve
D The radial artery
E The palmar cutaneous branches of the median and ulnar nerve
Features of carpal tunnel syndrome include
A Usually pain spares the little finger
B Symptoms are common at night
C Pain may radiate up to arms & elbows
D More common in man
E Hypothenar muscles are wasted in long standing cases
The number of carpal bones in human being is-
A 8
B 7
C 12
D 9
The carpal bone scaphoid
A Is closely related to the radial artery
B Has a tubercle which is palpated in the anatomical snuffbox
C Articulates with the radius
D Receives nutrient vessels at its waist
E Starts to ossify at birth

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