BIOL 2102 LAB Exam 1 Questions and Complete Solutions Graded A+

BIOL 2102 LAB
Exam 1 Questions
and Complete
Solutions Graded
A+
Denning [Date] [Course title]

,Endocrine glands secrete __________ into the blood.



true hormones

paracrine substances

neurotransmitters

autocrine substances - Answer: TRUE HORMONES



True hormones influence..



blood cells.

The secreting cells.

Neighboring cells.

Target cells some distance from the gland. - Answer: target cells some distance from the gland.



Which of the following endocrine glands is also an exocrine (ductile secretion) gland?



Thymus

Adrenal

Pancreas

Thyroid - Answer: Pancreas



Which two endocrine glands have the closest proximity to each other?



Pituitary; thyroid

Thymus; thyroid

Thyroid; parathyroid

Pancreas; thymus - Answer: Thyroid; parathyroid



Which endocrine gland stores hormones synthesized by the hypothalamus?

, Posterior pituitary

Adrenal cortex

Anterior pituitary

Adrenal medulla - Answer: Posterior pituitary



The hypothalamus, pineal gland, and pituitary gland are located within the cranial cavity.



True or False - Answer: True



Insulin is secreted by beta cells of the pancreatic islets.



True or False - Answer: True



The adrenal medulla secretes the hormones aldosterone and cortisol.




True or False - Answer: False



Paracrine secretions influence



neighboring cells.

target cells some distance from the gland.

blood cells.

the secreting cells. - Answer: neighboring cells.



The __________ produces hormones stored in the posterior pituitary.



adrenal gland