USMLE: Medical Science MCQs (Practice-Test 96 of 135)

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1. “Lurching gait” may be due to the injury to

   1. Superior gluteal nerve

   2. Inferior gluteal nerve

   3. Obturator nerve

   4. Femoral nerve

2. When the fool is on the ground, axis for medical rotation of the femur at the hip joint passes through the

   1. head of the femur and adductor tubercle

   2. greater trochanter and lateral condyle of femur

   3. lateral condyle of femur and head of the femur

   4. head of the femur and calcaneum Q3.

   Consider the following statements:

3. Into the right atrium open the

   1. anteriorcardiac veins.

   2. superior vena cava.

   3. pulmonary veins

   4. coronary sinus.

   Of these statements

   1. 1, 2 and 4 are correct

   2. 2 and 3 are correct

   3. 2 and 4 are correct

   4. 1, 3 and 4 are correct

4. Posterior interventricular groove of the heart lodges

   1. posterior vein of left ventricle

   2. great cardiac vein

   3. middle cardiac vein

   4. small cardiac vein

5. Broncho-pulmonary segment is a unit in the architecture of the lung. The best guide to the intersegmental planes would be the

   1. segroental bronchi

   2. branches of the segmental artery

   3. veins draining the segment

   4. connective tissue septa

6. Which of the following are the characteristic of pulmonary parenchyma?

   1. It receives its oxygenated arterial supply via the branches of the thoracic aorta.

   2. It has no lymph drainage.

   3. It has venous drainage into the azygous system of veins.

   4. It has ciliated columnar epithelial lining throughout:

   Select the correct answer using the codes given below

   Codes:

   1. 1, and 3

   2. 1 and 3

   3. 2 and 4

   4. 1, 2, 3 and 4

7. Consider the following structures of the root of the right using:

   1. Lower pulmonary vein.

   2. Right principal bronchus.

   3. Superior lobe bronchus.

   4. Pulmonary artery.

   The correct sequence in the order from above do upwards, of these structures comprising the root of the right lung is

   1. 4, 3, 2, 1

   2. 4, 3, 1, 2

   3. 3, 4.2, 1

   4. 3, 4, 1, 2

8. Match List I with list II (all are concerned with spleen) and select the correct answer.

   List-I	List-II
   Leinorenal ligament Gastrosplenic ligament Phrenicocolic ligament Hitus of spleen	Tail of pancreas Anterior extremity of spleen Gastric impression of spleen Short gastric arteries

   • A
   • B
   • C
   • D
   1. • 1
      • 4
      • 3
      • 2
   2. • 1
      • 4
      • 2
      • 3
   3. • 2
      • 1
      • 4
      • 3
   4. • 2
      • 1
      • 3
      • 4

9. Anatomical segmentation of the kidney is based on the

   1. branching of the calices

   2. lymphatic drainage

   3. nerve supply

   4. arterial supply

10. The lymphatics from the fundus of the uterus drain into

    1. external iliac lymph nodes

    2. internal iliac lymph nodes

    3. paraaortic lymph node

    4. inguinal group of lymph nodes

11. The cells of adrenal medulla arise from the

    1. ectoderm

    2. neuroetoderm

    3. mesoderm

    4. endoderm

12. Among the lateral group of thalamic nuclei, which one is phylogentically recent with a wide range of connections and labelled as a multisensory data processor involved in general gnosis?

    1. Lateral dorsal

    2. Lateral posterior

    3. Pulvinar

    4. Ventral posteromedial

13. Motor speech area of Broca lies in the

    1. post-central gyrus

    2. inferior-temporal gyms

    3. supcrioremproal gyms

    4. inferior frontal gyms

14. In the motor coxtex proportionately maximum representation is for the

    1. face

    2. thumb

    3. trunk

    4. leg

15. The cell which can survive in an undescended thestis is the

    1. primary spermatogonium

    2. secondary spermatogonium

    3. spcrmatid

    4. sertoli