take/faunchjsp\'course assessment jds 143376 18course id-:14213,18content id- 20

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take/faunchjsp'course assessment jds 143376 18course id-:14213,18content id- 2082323 18step-nul uestion Completion Status: Hormone concentrations are regulated by O positive feedback mechanisms only O netgatve fetack mechanioms only, O nervous system control only. O levels of substances in the blood only. all of the above. QUESTION 10 Rod cells contain the pigment O erythrolabe. O rhodopsin. O epinephrine O cyanolabe. chlorolabe. QUESTION 11 In the case of a subdural hematoma (blood accumulating beneath the dura) resulting from a blow to the head, blood accumulates between the O dura mater and the bone of the skoul O dura matee and arachnoid mater, O pia mater and brain arachnid mater and pia mater O in the subarachnoid space QUESTION 12 The respiratory areas are in the pois and in the O cerebrum midbrain k Save A

Explanation / Answer

Question 9

Answer

The hormone concentrations are controlled by Negative feedback mechanisms.

There are two feedback mechanisms in hormonal regulation, i.e positive feedback mechnism and negative feedback mechnism. Positive feedback systems increases changes in the controlled conditionwhereas negative feedback tends to bring conditions within the body back into balance. The most of the mechanisms that control hormone concentration in humans is Negative feedback Mechanism.

Question 10

Answer is Epinephrine

Adrenal medulla secretes three types of hormones i. Epinephrine, Norepinephrine and a little amount of dopamine.

Question 11.

The spinothalamic tract conduct impulse up from spinal cord to the thalamus.

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