Endocrine structures derived from nervous tissue include the

Endocrine structures derived from nervous tissue include the

A) thymus and the thyroid.
B) ovaries and the testes.
C) liver and the pancreas.
D) anterior pituitary gland and the adrenal cortex.
E) posterior pituitary gland and the adrenal medulla.




Answer: E

Oxytocin and antidiuretic hormone are synthesized in the

Oxytocin and antidiuretic hormone are synthesized in the 

A) hypothalamus.
B) adenohypophysis.
C) anterior pituitary.
D) adrenal cortex.
E) posterior pituitary.






Answer: A

In a lactating mammal, the two hormones that promote milk synthesis and milk release, respectively, are

In a lactating mammal, the two hormones that promote milk synthesis and milk release, respectively, are 

A) prolactin and calcitonin.
B) prolactin and oxytocin.
C) follicle-stimulating hormone and luteinizing hormone.
D) luteinizing hormone and oxytocin.
E) prolactin and luteinizing hormone.






Answer: B

To prevent insect pests from maturing into reproducing adults, pest controllers use synthetic agonists of

To prevent insect pests from maturing into reproducing adults, pest controllers use synthetic agonists of 

A) ecdysone.
B) juvenile hormone.
C) oxytocin.
D) brain hormone.
E) prothoracic hormone.






Answer: B

A product of the anterior pituitary gland that causes color changes in its target cells is

A product of the anterior pituitary gland that causes color changes in its target cells is 

A) FSH.
B) LH.
C) TSH.
D) MSH.
E) ACTH.





Answer: D

Prolactin stimulates mammary gland growth and development in mammals and regulates salt and water balance in freshwater fish. Many scientists think that this wide range of functions indicates that prolactin

Prolactin stimulates mammary gland growth and development in mammals and regulates salt and water balance in freshwater fish. Many scientists think that this wide range of functions indicates that prolactin 

A) is a nonspecific hormone.
B) has a unique mechanism for eliciting its effects.
C) is an evolutionarily conserved hormone.
D) is derived from two separate sources.
E) interacts with many different receptor molecules.






Answer: C

The hypothalamus

The hypothalamus 

A) functions only as an endocrine target, by having lots of receptors on its cells.
B) functions only in neuronal transmission.
C) does not have any hormone receptors on its cells.
D) secretes tropic hormones that act directly on the gonads.
E) includes neurosecretory cells that terminate in the posterior pituitary.







Answer: E