Lactation Practice Questions

Question 1

Late metabolic acidosis is seen in-

Accepted Answer

Preterm baby getting cow milk

Answer

Term infant given formula feed

Answer

Long term breast feeding

Answer

None of the options

Question 2

The suckling reflex:

Accepted Answer

Has afferent neuronal and efferent hormonal components

Answer

Increases the release of dopamine from the arcuate nucleus

Answer

Increases placental lactogen secretion

Answer

Triggers the release of oxytocin by stimulating the supraoptic nuclei

Question 3

Which of the following statements about the mammary gland is false?

Accepted Answer

Nipple is supplied by 6th intercostal nerve

Answer

Is a modified sweat gland

Answer

Extends from 2nd to 6th rib vertically

Answer

Supplied by internal mammary artery

Question 4

Ductal development of breast is caused by

Accepted Answer

Estrogen

Answer

Prolactin

Answer

Progesterone

Answer

hCG

Question 5

Which of the following statements about the differences between human milk and cow milk is NOT true?

Accepted Answer

Cow milk has comparatively more fat than human milk.

Answer

Cow milk has comparatively more protein than human milk.

Answer

Cow milk has comparatively more calcium than human milk.

Answer

Cow milk has comparatively more casein than human milk.

Question 6

A 24-year-old accountant complains of a white discharge from his breasts. He is most likely experiencing which one of the following conditions?

Accepted Answer

A prolactinoma

Answer

Deficient testosterone receptors in the mammary glands

Answer

A tumor of the posterior pituitary that could be surgically removed

Answer

Excessive production of OT in the hypothalamus

Question 7

At the time point indicated by the arrow, the hormone levels are:

Accepted Answer

Increased estrogen, decreased progesterone

Answer

Decreased estrogen, increased progesterone

Answer

Increased estrogen, increased progesterone

Answer

Decreased estrogen, decreased progesterone

Question 8

Disruption of the hypothalamic-pituitary portal system will lead to

Accepted Answer

High circulating levels of PRL, low levels of LH and FSH, leading to ovarian atrophy.

Answer

Increased follicular development due to elevated circulating levels of PRL.

Answer

Ovulation with subsequent increase in circulating progesterone levels.

Answer

Increased FSH levels due to reduced ovarian inhibin levels.

Question 9

Milk production in pregnancy is inhibited by :

Accepted Answer

High estrogen

Answer

Low luteinizing hormone

Answer

Low thyroid-stimulating hormone

Answer

Human somatomammotropin

Question 10

Serum prolactin levels are highest

Accepted Answer

During third trimester of pregnancy

Answer

24 hrs after parturition

Answer

REM sleep

Answer

In actively lactating mothers

Lactation — MCQs

Lactation — MCQs

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