Question

question 8
the heart is a target for
○ epinephrine
○ norepinephrine
○ androgens
○ a and b

question 9
thyroid hormones have target cells
○ almost everywhere
○ in the brain
○ in bone only
○ in uterine mucele only

Explanation:

• For Question 8: Epinephrine and norepinephrine are part of the body's stress - response system and can act on the heart to increase heart rate and contractility. Androgens mainly affect sexual characteristics and are not the main hormones targeting the heart.
• For Question 9: Thyroid hormones play crucial roles in metabolism and development and have target cells almost everywhere in the body to regulate various physiological processes.

Answer:

• Question 8: D. a and b
• Question 9: A. almost everywhere