The contraction of uterine wall started by the stimulation of sensor near the opening of uterus (cervix) is done by...…
a) oxytocin
b) ADH
c) growth hormone
d) ACTH
Explanation: Oxytocin is released by posterior pituitary gland under the influence of hypothalamus.
The target organ for vasopressin (ADH) is..…
a) kidney
b) liver
c) urinary bladder
d) lungs
Which of the following feedback may be harmful for the body?
a) Negative feedback
b) Positive feedback
c) both negative and positive
d) none of them
Explanation: A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction.
In high fever, the body temperature rises more and more due to change in metabolic activities which may lead to death sometimes; it is due to……..
a) negative feedback
b) positive feedback
c) both negative and positive
d) none of them
What will happen if a person breaths in higher concentration of CO2?
a) the breathing rate will slows due to negative feedback
b) the breathing rate will increases due to negative feedback
c) the breathing rate will slows due to positive feedback
d) the breathing rate will increases due to positive feedback
Osmoregulation:
Osmoregulation is the process of maintaining
salt and water balance (osmotic balance) across membranes within the body
