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Question 1
Incorrect
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At what week in pregnancy is testing for gestational diabetes (GD) advised
Your Answer: 24-28 weeks of pregnancy if past history of GD
Correct Answer: As soon as possible after booking if past history of GD
Explanation:Testing for GD should use the 2 hour 75g oral glucose tolerance test (OGTT) to test for GD in women. Testing women who have had GD in a previous pregnancy: early self monitoring of blood glucose OR a 75 g 2 hour OGTT as soon as possible after booking (whether in the first or second trimester) and a further 75 g 2hour OGTT at 24-28 weeks if the results of the first OGTT are normal. Testing women with risk factors for GD: 75g 2 hour OGTT at 24-28 weeks
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This question is part of the following fields:
- Clinical Management
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Question 2
Correct
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A pregnant woman who is a heavy smoker, observed some thick white patches on the inside of her mouth. Her oral cavity appears inflamed on examination. Which diagnosis is most likely correct?
Your Answer: Candidiasis
Explanation:During pregnancy, the chances for a woman to develop oral candidiasis double. An aphthous ulcer has a yellowish floor which is surrounded by an erythematous halo while in lichen planus, the lesions do not have the appearance of a thick white mark but are more or less lace-like. The lesions in leucoplakia have raised edges and they appear as bright white patches which are sharply defined and cannot be rubbed out. Smoking may affect the tongue, producing tongue coating. In this case the tongue is just inflamed which is a sign of infection.
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This question is part of the following fields:
- Obstetrics
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Question 3
Correct
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Regarding molding of the fetal head, which one is true?
Your Answer: Does NOT have time to occur in breech delivery
Explanation:Molding allows the skull bones of the fetal head some mobility during the normal delivery of foetus as the skull changes its shape to accommodate passage through the mothers pelvis. However this does not occur in breach delivery where the skull is in circular shape. Babies born breech typically have craniofacial and limb deformations resulting from their in utero position. These babies characteristically have a long, narrow head, (“dolichocephaly” or “type 1”), with a prominent occipital shelf, redundant skin over the neck, overlapping lambdoidal sutures, and an indentation below their ears (from shoulder compression).
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This question is part of the following fields:
- Anatomy
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Question 4
Incorrect
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If the presenting part of the foetus is the large fontanel, this presentation is known as?
Your Answer: Vertex
Correct Answer: Sinciput
Explanation:Sinciput means the head is neither flexed nor extended. It is the area between forehead and crown and in this case the anterior fontanel is the presenting part.
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This question is part of the following fields:
- Anatomy
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Question 5
Incorrect
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A 29-year-old obese lady weighing 130 kilograms, is requesting for a prescription for the oral contraceptive pill (OCP). She has hirsutism and acne. She has also expressed that she occasionally suffers from migraines along with pins and needles in her left arm. Which is the best contraceptive for her?
Your Answer: An OCP containing ethinyl oestradiol and cyproterone acetate.
Correct Answer: A barrier method of contraception.
Explanation:OCPs which contain oestrogen and progesterone are contraindicated in women who have migraines associated with a neurological deficit or aura (pins and needles in this case). In such cases, the alternative would be Implanon (etonogestrel), however, there are mixed reviews and opinions regarding whether or not there is a decreased efficacy in heavier women. The absolute contraindication for Implanon is active breast cancer. Therefore, the best advice for her case would be some form of barrier contraceptive.
When choosing a COCP (combined oral contraceptive pill), it is recommended that a formulation containing 20-30ug of ethinyl oestradiol is chosen. The progestogen part is responsible for prevention of conception and can be norgestrel or any other progestogens although the formulations containing norgestrel tend to be cheaper than more novel progestins such as cyproterone acetate as well as drospirenone. If the patient is known to have issues with excessive fluid retention, OCPs that has drospirenone would be the most suitable. However, if the patient is suspected to have PCOS, the best choice would be one that contains cyproterone acetate.
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This question is part of the following fields:
- Gynaecology
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Question 6
Correct
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Haemolytic Disease of the New-born falls into what type of hypersensitivity reaction?
Your Answer: Type II
Explanation:It is classified under type II hypersensitivity reaction. Antibodies are formed against the rhesus antigen i.e. D antigen. Hence when the Antibody reacts with the antigen on the RBC it results in activation of the complement cascade leading to lysis.
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This question is part of the following fields:
- Immunology
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Question 7
Incorrect
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A 46-year-old woman complains of ulceration with bloody discharge around her right nipple accompanied by redness, excoriations, and severe itchiness. What is the most likely diagnosis?
Your Answer:
Correct Answer: Paget’s disease of the breast
Explanation:Paget’s disease of the breast is a type of cancer that outwardly may have the appearance of eczema, with skin changes involving the nipple of the breast. Symptoms may include redness of the nipple skin and crusting may occur around the area. In more advance cases, symptoms may include itching or a burning pain in the nipple.
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This question is part of the following fields:
- Gynaecology
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Question 8
Incorrect
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A 33-year-old female, who is 14 weeks pregnant, presented to your office for antenatal follow-up. On examination, the fundal height is found to be18 cm. which among the following would be the best next step in the management of this patient?
Your Answer:
Correct Answer: Perform an ultrasound scan
Explanation:At 12 weeks gestation the fundus is expected to be palpable above the pubis symphysis and it is expected to be felt at the level of umbilicus by 20 weeks. Though the uterine fundus stands in between from 12 and 20 weeks, the height of the fundus in centimeters is equivalent to the weeks of pregnancy after 20 weeks.
For 14-week pregnant uterus a fundal height of 18cm is definitely large and dating errors is considered as the most common cause for such a discrepancy. Hence, it is better to perform an ultrasound scan for more accurately estimating the gestational age. Also if the case is not a simple dating error, ultrasonography can provide definitive additional information about other possible conditions such as polyhydramnios, multiple gestation, etc that might have led to a large-for-date uterus.
A large-for-gestational-age uterus are most commonly found in conditions like:
– Dating errors which is the most common cause
– Twin pregnancy
– Gestational diabetes
– Polyhydramnios
– Gestational trophoblastic disease, also known as molar pregnancy -
This question is part of the following fields:
- Obstetrics
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Question 9
Incorrect
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In which part of the body does clomiphene trigger ovulation by antagonising oestrogen receptors?
Your Answer:
Correct Answer: Hypothalamus
Explanation:Clomiphene citrate is widely used in the induction of ovulation, especially in the treatment of anovulatory infertility and in conditions such as PCOS. The drug functions as a selective oestrogen receptor modulator, which acts in the hypothalamus to indicate low serum oestrogen levels. Reduced levels of negative feedback stimulate the secretion of GnRH from the hypothalamus, which in turn stimulate the production of gonadotropins (FSH and LH) from the anterior pituitary. These work to increase ovarian follicular activity.
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This question is part of the following fields:
- Pharmacology
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Question 10
Incorrect
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Immediate delivery of the foetus is recommended at which fetal scalp pH?
Your Answer:
Correct Answer: 7.18
Explanation:A pH value below than 7.18 indicates acidosis which can result in hypoxic brain injury. In order to prevent brain injury, immediate delivery of the foetus should be planned. The normal range for a term baby is pH: 7.18 – 7.38, preterm pH: 7.14 – 7.4.
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This question is part of the following fields:
- Physiology
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