GENERAL ANATOMY
Which layer of a blood vessel contains the greatest amount of smooth muscle in a typical muscular artery?
Tunica media
What are the actions of pectoralis major?
Flexion, Adduction and Medial rotation of Shoulder joint
Which muscle forms the posterior wall of the axilla?
Subscapularis, teres major, latissimus dorsi
WHICH TYPE OF EPITHELIUM LINES THE TRACHEA?
PSUEDOSTRATIFIED CILIATED COLUMNAR EPITHELIUM WITH GOBLET CELLS.
The primary ossification centres of the clavicle appear before those of any other bone. At what week of intrauterine life do they first appear?
5th–6th week of intrauterine life.
Which structure is responsible for the formation of fingerprints through its arrangement in the skin?
Dermal papillae
A PATIENT CANNOT PUSH AGAINST A WALL WITHOUT MEDIAL BORDER OF THE SCAPULA PROTRUDING . WHICH MUSCLE AND NERVE ARE AFFECTED ?
SERRATUS ANTERIOR AND LONG THORACIC NERVE
What are the nerves related posteriorly to the third part of axillary artery?
Axillary and Radial nerves
Which type of microscope is routinely used in histology laboratories?
Compound light microscope.
At the suprascapular notch, which structure passes above the superior transverse scapular ligament and which structure passes below it?
Suprascapular artery passes above; suprascapular nerve passes below.
A meniscus in the knee is composed mainly of which type of cartilage?
Fibrocartilage
Which structure pierces the clavipectoral fascia?
Cephalic vein, thoracoacromial artery, lateral pectoral nerve, lymphatics to apical group of axillary lymph nodes
What are the nerves arising from trunks of brachial plexus?
Nerve to subclavius, suprascapular nerve (from upper trunk)
Which epithelial specialization increases the absorptive surface area of intestinal enterocytes?
MICROVILLI
A fracture at the surgical neck of the humerus may injure which nerve and artery? Mention the principal muscle affected.
Axillary nerve and posterior circumflex humeral artery; deltoid.
A fracture involving the nutrient artery of a long bone may compromise blood supply mainly to which region?
BONE MARROW, INNER 2/3RD OF COMPACT PART OF DIAPHYSIS
WHICH LYMPHNODES PRIMARILY RECIEVE LYMPH FROM THE LATERAL QUADRANTS OF THE BREAST ?
ANTERIOR GROUP OF AXILLARY LYMPH NODES
Which part of the axillary artery lies posterior to pectoralis minor, and which branches arise from it?
Second part; thoracoacromial artery and lateral thoracic artery.
MOST COMMONLY USED FIXATOR IN THE PROCESS OF SLIDE PREPERATION
10% FORMALIN
Which prominent projection on the distal radius gives attachment to the brachioradialis tendon?
Styloid process of radius.
Which receptor is especially associated with detecting vibration and deep pressure in the skin?
Pacinian corpuscle
A PATIENT CANNOT ABDUCT THE ARM FROM 15 TO 90 AFTER SHOULDER DISLOCATION. WHICH MUSCLE IS MOST LIKELY AFFECTED? WHAT IS THE NERVE SUPPLY OF THE MUSCLE
DELTOID , AXILLARY NERVE
What is the classical posture seen in Erb’s paralysis?
“Waiter’s tip” or “Policeman’s tip” posture
(Arm adducted, medially rotated, elbow extended, forearm pronated, wrist flexed)
Which specialized cells of the transitional epithelium form a protective, urine-impermeable barrier and change shape during bladder distension?
Umbrella cells (superficial cells of the urothelium).
Which feature of the ulna prevents posterior displacement of the humerus at the elbow joint?
Olecranon process.