Abnormal uterine action

Abnormal uterine action

Q. 1

Bandl’s ring is also called as :

 A

Constriction ring

 B

Schroeder’s ring

 C

Retraction ring

 D

Cervical dystocia

Q. 1

Bandl’s ring is also called as :

 A

Constriction ring

 B

Schroeder’s ring

 C

Retraction ring

 D

Cervical dystocia

Ans. C

Explanation:

Ans. is c i.e. Retraction ring

Bandl’s ring is also called as Pathological retraction ring.

  • It is formed in cases of obstructed labour°.

Physiology : In case of obstructed labour. the upper segment of the uterus contracts and retracts vigorously, in an attempt to overcome the obstruction while the lower segment dilates.

With each contraction there is myometrial shortening, so that the actively contracting upper segment becomes progressively thicker and shorter. The passive lower segment is progressively stretched and becomes thinner.

The junction between the two segments stands out prominently as a pathological retraction ring or Bandl’s ring. Situation : It runs obliquely and is always situated at the junction of upper and lower segment.

On abdominal examination : • Uterus is tense and tender

  • Fetal parts are not easily felt
  • Ring is felt as a groove placed obliquely
  • FHS is absent
  • Round ligaments are palpable.

On vaginal examination Ring cannot be felt vaginally.

Extra Edge

Constriction ring / Schroeder’s ring : Constriction ring is a form of incoordinate uterine action where there is localised spastic contraction of a ring of circular muscle fibres of the uterus.


Q. 2

Cervical dystocia is usually present at :

 A

Level of external os

 B

Level of internal os

 C

Level of isthmus

 D

Level of cervical canal

Q. 2

Cervical dystocia is usually present at :

 A

Level of external os

 B

Level of internal os

 C

Level of isthmus

 D

Level of cervical canal

Ans. A

Explanation:

Level of external os


Q. 3

Hypertonic dysfunctional labour is characterised by which of the following :

 A

Fetal distress occurs early

 B

Reaction to oxytocin is favorable

 C

Sedation is of little value

 D

Occurs more frequently than hypotonic labour

Q. 3

Hypertonic dysfunctional labour is characterised by which of the following :

 A

Fetal distress occurs early

 B

Reaction to oxytocin is favorable

 C

Sedation is of little value

 D

Occurs more frequently than hypotonic labour

Ans. A

Explanation:

Fetal distress occurs early


Q. 4

Bandl’s ring is associated with :

 A

Cephalopelvic disproportion

 B

Fetal death

 C

Uterine inertia

 D

Placenta previa

Q. 4

Bandl’s ring is associated with :

 A

Cephalopelvic disproportion

 B

Fetal death

 C

Uterine inertia

 D

Placenta previa

Ans. A

Explanation:

Cephalopelvic disproportion


Q. 5

All are true about constriction ring except :

 A

Also called Schroeder’s ring

 B

Can be caused by injudicious oxytocin use

 C

Ring can be palpated per abdomen

 D

Inhalation of amyl nitrate relaxes the ring

Q. 5

All are true about constriction ring except :

 A

Also called Schroeder’s ring

 B

Can be caused by injudicious oxytocin use

 C

Ring can be palpated per abdomen

 D

Inhalation of amyl nitrate relaxes the ring

Ans. C

Explanation:

Ring can be palpated per abdomen


Q. 6

Bandl’s ring is seen in which of the following conditions ?

 A

Undilated Cervix

 B

Premature rupture of membranes

 C

Obstructed labourInjudicious use of oxytocics

 D

All

Q. 6

Bandl’s ring is seen in which of the following conditions ?

 A

Undilated Cervix

 B

Premature rupture of membranes

 C

Obstructed labourInjudicious use of oxytocics

 D

All

Ans. C

Explanation:

Obstructed labourInjudicious use of oxytocics


Q. 7

Constriction ring in uterus is seen in :

 A

Obstructed labour

 B

Normal labour

 C

Both

 D

None

Q. 7

Constriction ring in uterus is seen in :

 A

Obstructed labour

 B

Normal labour

 C

Both

 D

None

Ans. D

Explanation:

None



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