Endocrinology MCQ's Flashcards
An endocrine gland is a ductless gland that secretes substances that have effects elsewhere in the body.
True
False
True
A hormone is a substance that is released from an endocrine gland and acts as a catalyst.
True
False
True
The function of the endocrine system is to integrate body functions over minutes, hours or days.
True
False
True
Identify which of the following endocrine glands are located in the head. (select all that apply)
pineal
anterior pituitary
thyroid
pancreas
ovary
uterus
hypothalamus
posterior pituitary
pineal
anterior pituitary
hypothalamus
posterior pituitary
In terms of its activity, HCG is similar to LH and eCG is similar to FSH.
True
False
True
Which of the following are functions of progesterone? (select all that apply)
prepares the uterus for implantation
development of the alveoli in the mammary gland
inhibits release of GnRH
inhibits the rise in LH that causes ovulation
causes regression of the CL
prepares the uterus for implantation
development of the alveoli in the mammary gland
inhibits release of GnRH
inhibits the rise in LH that causes ovulation
A function of HCG in the human is to maintain the CL during pregnancy.
True
False
True
The function of eCG in the mare is to cause formation of accessory CL.
True
False
True
Placental lactogen causes growth and increased lactation from the mammary gland during the current pregnancy.
True
False
False
GnRH is released by the hypothalamus into the blood stream where it travels first to the heart and then back through arteries to the anterior pituitary gland to have its effect.
True
False
False
While testosterone is the most common sex steroid in the male, estradiol is also present. Progesterone is not present in the systemic circulation of the male however to any sizeable amount.
True
False
True
Inhibin is produced by sertoli cells in the male and granulosa cells in the female. In both sexes, inhibin decreases FSH release from the anterior pituitary without effecting LH.
True
False
True
Relaxin is produced by the corpus luteum of pregnancy and causes the relaxation of the pubic ligaments and dilation of the cervix.
True
False
True
