Showing posts with label Mcq's in Anatomy. Show all posts
Showing posts with label Mcq's in Anatomy. Show all posts

47.Perforators are not present at the:

a. Ankle b. Distal calf
c. Mid thigh d. Below the inguinal ligament

ANS. D
Explanation: -Perforators connect the superficial veins with the deep veins. -There are about 5 perforators along the great saphenous vein - 1.in the mid-thigh; 2. Below knee; 3, 4 & 5. near the lower leg and ankle. -Great saphenous vein itself drains into the femoral vein below the inguinal ligament.

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45.Uppermost structure seen at the hilum of the left lung is:

a. Pulmonary artery b. Pulmonary vein

c. Bronchus d. Bronchial artery


ANS.A


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42.The most commonly used objective method to assess pain in patients is:


1.Facial pain scale
2.Knee jerk

3.H jerk 4.R-||| jerk


Ans. 1. facial pain scale

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22.Deep part of submandibular salivary gland is in relation to

a.Facial nerve

b.Lingual nerve

c.Accessory nerve

d.Mandibular nerve


Ans.(b): Refg. 133/3rd Chaurasia’s Edition.

It is supplied by branches from the sumandibular ganglion. These branches convey a) secretomotor fibres; (b)sensory fibres from the lingual nerve; and (c) vasomotor sympathetic fibres from the plexus on the facial artery.


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19. The epithelium of the mucous membrane of the mouth is:

A. Simple squamous B. Stratified squamous
C. Simple columnar D. Stratified columnar

ANS.B.

Squamous cells are flattened, pancake-like cells, and when in layers are known as stratified. The stratified squamous cells lining the mucosa of the oral cavity are similar to those lining the outer skin, although less keratinized. They do, however, flake off continuously into the mouth. Simple squamous tissue would be too thin and not allow for the constant flaking and replacement. Columnar epithelium is found in both the respiratory system and other organs of the digestive system.

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18. A wound to the posterior left axillary line, between the ninth and tenth rib, and extending approximately 5 cm deep, will most likely damage

A. Ascending colon B. Duodenum

C. Left kidney D. Spleen

ANS. D.

The spleen follows the long axes of ribs 9 to 11 and lies mostly posterior to the stomach, above the colon, and partly anterior to the kidney. It is attached to the stomach by a broad mesenterial band, the gastrosplemic ligament. Therefore, it is the most likely organ of the group to be pierced by a sharp object penetrating just above rib 10 at the posterior axillary line. Note that the pleural cavity, and possibly the lower part of the inferior lobe of the lung, would be pierced before the spleen. The ascending colon (choice A) is on the wrong side (the right) to be penetrated by a sharp instrument piercing the left side. Most of the duodenum (choice B) is positioned too far to the right to be affected by this injury. Even the third part of the duodenum, which runs from right to left, would still be out of harm's way. In addition, the duodenum lies at about levels L1 to L3, placing it too low to be injured in this case. The superior pole of the left kidney (choice C) is bordered by the lower part of the spleen. However, it is crossed by rib 12 and usually does not extend above rib 11. It would probably be too low and medial to be injured in this case because this penetration is at the posterior axillary line.


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