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ENADE Veterinary Obstetrics: practice questions

ENADE: Medicina Veterinária · Brazil · INEP

Original practice questions written to the published syllabus · not past papers
10worked here, free
67written to this exam in this subject
14syllabus units

What this subject covers

Pregnancy accidents, normal birth, dystocia and the operations that relieve it, and the complications of the post-partum period and the newborn.

In the exams: ICAR AICE-JRF core group 07; ICAR AIEEA-PG 13 (ARGO); Nepal NLEV Theriogenology 8

Where the 67 questions fall

How our questions for ENADE spread across the units of Veterinary Obstetrics. Difficulty: 30 easy, 34 medium, 3 hard.

Normal parturition10
Neonatal care7
Abortion6
Obstetrical operations5
Caesarean section5
Uterine prolapse5
Post-partum complications5
Foetal mummification4
Uterine torsion4
Maternal dystocia4
Foetal dystocia4
Fetotomy3
Retained placenta3
Hydrops of the foetal membranes2

10 practice questions, worked

Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.

1 · Uterine torsion · easy

Which method corrects uterine torsion by turning the fetus per vaginam?

  1. Rotation of the fetus through a partly open cervix, carrying the uterus with it
  2. Episiotomy
  3. Fetotomy of the head
  4. Buhner's suture, which holds the vagina closed while the dam is rolled over on her back
Answer and working

A. Rotation of the fetus through a partly open cervix, carrying the uterus with it

When the cervix is open enough to grasp the fetus, rocking and flipping it can untwist the uterus. The other procedures do not correct torsion.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

2 · Normal parturition · easy

Which hormone surge from the fetus initiates parturition in ruminants?

  1. Maternal progesterone
  2. Maternal prolactin
  3. Fetal cortisol
  4. Fetal insulin release
Answer and working

C. Fetal cortisol

Maturation of the fetal hypothalamic-pituitary-adrenal axis produces a cortisol surge that switches placental steroid synthesis. Progesterone must fall, not rise, for birth to begin.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

3 · Foetal dystocia · medium

In a transverse ventral presentation, what faces the pelvic inlet?

  1. The fetal tail only
  2. The fetal head only
  3. The fetal back
  4. All four limbs of the fetus
Answer and working

D. All four limbs of the fetus

In transverse presentations the fetus lies across the canal; ventral transverse presents the limbs, dorsal transverse presents the back. Version to a longitudinal presentation is required.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

4 · Obstetrical operations · medium

Which practical rule suggests vaginal delivery of a calf in anterior presentation is likely to succeed?

  1. The cow has calved before without any assistance, so her pelvis is known to be adequate for delivery
  2. Head and forelimbs can be brought in and both fetlocks drawn past the vulva with moderate traction
  3. The water bag has ruptured and the amniotic fluid is lubricating the birth canal well enough
  4. The calf is alive, shown by a pedal reflex, so it can help its own delivery by moving its limbs
Answer and working

B. Head and forelimbs can be brought in and both fetlocks drawn past the vulva with moderate traction

If moderate traction advances the correctly disposed calf so the fetlocks clear the vulva, the pelvis is probably adequate. Life of the calf, parity and water bag rupture say nothing about fit.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

5 · Fetotomy · easy

Fetotomy is generally performed on:

  1. A dead fetus
  2. Every calf in posterior presentation
  3. A live fetus in normal disposition
  4. The placenta after birth
Answer and working

A. A dead fetus

Fetotomy divides a dead fetus so it can pass the birth canal. A live fetus normally calls for mutation, traction or caesarean section.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

6 · Fetotomy · medium

A dead calf with a lateral head deviation cannot be corrected because the neck is rigid. The cervix is fully dilated and there is ample room. What is the most appropriate first cut?

  1. Transverse cut through the pelvis
  2. Removal of both hindlimbs
  3. Removal of the head and neck with the wire saw
  4. Splitting the thorax longitudinally
Answer and working

C. Removal of the head and neck with the wire saw

Removing the deviated head and neck lets the body be delivered in anterior presentation, often as a partial fetotomy. Hindlimb and pelvic cuts are not relevant to this malposture.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

7 · Fetotomy · easy

In which species is fetotomy not used?

  1. The bitch
  2. The cow
  3. The mare
  4. The buffalo
Answer and working

A. The bitch

The canine birth canal is too small for fetotomy instruments; dystocia is managed medically, by manipulation or by caesarean section. Fetotomy is used in cattle and buffalo and, sparingly, in the mare.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

8 · Uterine prolapse · medium

Which position most helps replacement of a prolapsed uterus in a recumbent cow?

  1. Left lateral recumbency with the head uphill and neck extended
  2. Sternal recumbency with both hindlimbs drawn out behind her
  3. Dorsal recumbency with the hindlimbs flexed forward
  4. Standing with the hind end lower than the forequarters
Answer and working

B. Sternal recumbency with both hindlimbs drawn out behind her

Drawing the hindlimbs back tilts the pelvis forward so the uterus returns downhill into the abdomen. A downhill hind end works against replacement.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

9 · Neonatal care · medium

Why is hanging a newborn calf upside down no longer recommended to clear its airway?

  1. It causes neonatal isoerythrolysis by forcing colostrum into the blood
  2. It can prevent normal gut closure, so the calf keeps absorbing antibodies far too long
  3. It drains mainly stomach fluid rather than lung fluid and can impair breathing
  4. It makes the calf too warm
Answer and working

C. It drains mainly stomach fluid rather than lung fluid and can impair breathing

Most fluid that runs out comes from the abomasum; the weight of the viscera on the diaphragm hinders breathing. Sternal recumbency with airway clearing and stimulation is preferred.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

10 · Neonatal care · easy

What is the most common cause of colic in the newborn foal?

  1. Retained placenta
  2. Meconium retention
  3. Uterine torsion
  4. Eclampsia
Answer and working

B. Meconium retention

Retained meconium shows as straining and tail swishing in the first day and usually responds to enemas. The other options are maternal conditions.

Further reading: Noakes, Parkinson & England, Veterinary Reproduction and Obstetrics

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Read the subject

Veterinary ObstetricsThe full study manual, free ENADEFormat, sections and how it has changed

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Veterinary Obstetrics for other exams

National Veterinary Examination · JapanASRB NET and ARS / SMS / STO · IndiaAustralasian Veterinary Examination, formerly the National Veterinary Examination · Australia / New ZealandNAVLE · USA / CanadaRCVS Statutory Membership Examination · UKSAVC Registration Examination · South AfricaNational Licensure Examination for Veterinarians · NepalVeterinary Council of Sri Lanka registration exam · Sri Lanka

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