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Biology 12 Chapter 21
Development and Aging - 19
1.
What are the complications for preterm babies?
a) Jaundice
b) Breathing problems
c) Hearing impairment
d) All of them
2.
First secretion from mammary glands is…………..?
a) Milk
b) Prolactin
c) Colostrum
d) Lactogen
3.
What is the composition of colostrum?
a) All of them
b) Less fat
c) Antibodies
d) Globulin
4.
How many lobules of glandular tissue are present in breast?
a) 15-20
b) 20-25
c) 5-10
d) 10-15
5.
Rising levels of…………hormone stimulates hypothalamus to secrete PRH?
a) Lactogen
b) Estrogen
c) Progesterone
d) All of them
6.
Which hormone is secreted by hypothalamus?
a) Prolactin
b) Progesterone
c) Serotonin
d) PRH
7.
Which hormone is secreted by anterior pituitary?
a) Progesterone
b) PRH
c) Prolactin
d) Serotonin
8.
Which of the following is synthesized by mammary glands?
a) Prolactin
b) Serotonin
c) PRH
d) Progesterone
9.
Which receptors in the nipple send impulses to hypothalamus to release PRH?
a) Nosiceptors
b) Thermoceptors
c) None of them
d) Mechanoreceptors
10.
From where does oxytocin release?
a) Anterior pituitary
b) Mammary gland
c) Hypothalamus
d) Posterior pituitary
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