With Answers Rated A+.
What hormone is synthesized from cholesterol? - Answer Estrogen
Which of the following is the definition of a cell receptor? - Answer A specialized protein located either
on the surface of or inside of the recieving cell that binds to a specific messenger molecule
Assume that your biology professor invited you to work in his laboratory over the summer. One of your
first projects was to determine the reason for specificity of the hormone oxytocin in the rabbit. Your
professor told you that he had learned that oxytocin causes contraction of uterine muscle but not other
muscles in the rabbit and asked you to suggest a reason for this. What would you suggest? - Answer
would suggest that uterine muscle contains receptors for oxytocin whereas other muscle does not.
Events of high blood glucose level - Answer 1. pancreas releases insulin
2. Body cells take up more glucose
3. Liver takes up glucose and stores it as glycogen
4. Blood glucose decreases to normal
Events of low blood glucose level - Answer 1. Pancreas release glucagon
2. Liver breaks down glycogen and releases glucose to the blood
3. Blood glucose increases to normal
Which of these glands secretes releasing and inhibiting hormones? - Answer Hypothalamus
Which of these hormones are responsible for the "fight or flight" response to danger? - Answer
Epinephrine and norepinephrine secreted by the adrenal medulla
What are the main male hormone? - Answer Androgens such as testosterone
, What hormone promotes water retention by the kidneys? - Answer Antidiuretic promotes water
conservation, while diuretic promotes water loss . Secreted by the anterior pituitary (tropic hormone)
What is thymosin? - Answer Plays a role in the maturation of T cells
Which hormone opposes the action of parathyroid hormone? - Answer Calcitonin lowers blood calcium
levels
Which hormone increases blood calcium levels? - Answer Parathyroid hormone
Which hormone stimulates milk production? - Answer Prolactin
Which hormone stimulates hormone production by the ovaries and testes? - Answer Luteinizing
hormone, stimulates hormone production by both the ovaries and testes
You have learned that the pancreas is responsible for producing insulin or glucagon. What is another
function of the pancreas? - Answer to produce bicarbonate and several enzymes that are released into
the small intestine, promoting the digestion of food
A fertilized egg usually implants itself and develops in the _____. - Answer Uterus
A rapid increase in the _____ level stimulates ovulation. - Answer Luteinizing hormone, A surge in LH
levels is responsible for triggering ovulation.
After ovulation, high levels of _____ inhibit _____ secretion. - Answer estrogen and progesterone, the
corpus luteum maintains the endometrium and inhibits FSH and LH secretion.
Developing ovarian follicles primarily secrete _____ - Answer Estrogen
If there is fertilization, secretion of _____ by the early embryo maintains the corpus luteum. - Answer
human chorionic gonadotropin