System Pt. 1 Exam Questions Fully
Solved.
Which body systems have mechanisms of regulation for most other body systems? - Answer
endocrine & nervous
What is regulated by the endocrine system? - Answer sleep, stress, growth, metabolism,
mood, reproduction, fluid & electrolyte balance, and tissue function
Which glands secrete their product by way of a duct directly onto an epithelial surface? -
Answer exocrine glands
A hormone is a ____________ and the target cells is _________. - Answer - molecule that has
a metabolic effect on another cell
- a cell that has receptors for specific hormones.
Which of the following is considered a secondary endocrine structure? - Answer the pancreas
Endocrine system - Answer - adapts slowly
- reacts slowly
- communication by means of hormones
- may continue responding after stimulus stops
Nervous system - Answer - communicates by means of electrical impulses
- adapts quickly to continual stimulation
Select all of the following molecules that are capable of penetrating the plasma membrane of
cells. - Answer - hydrophobic molecules
- gases
- lipids