A person with an endocrine disorder wants to know the difference between a hormone and a neurotransmitter. What should be explained to this person?
A. Hormones are released at synapses.
B. Neurotransmitters affect a single cell, whereas hormones affect multiple cells.
C. Hormones affect the target tissue immediately and very briefly.
D. Neurotransmitters are released into the bloodstream.
Answer: B
You might also like to view...
Arteries branch into smaller ________________________________________
Fill in the blank(s) with correct word
Which of the following statements concerning immunity is correct?
A. Adaptive immunity responses to pathogens improves over time due to generation of memory, which includes an increase in the number of lymphocytes that respond faster than during the original infection. B. Adaptive immunity demonstrates specificity, which means that lymphocytes only destroy viruses and ignore all other types of pathogens. C. Adaptive immunity demonstrates memory, meaning each lymphocyte responds to a particular pathogen, but responds similarly with each infection. D. All of the choices are correct.
There are 80 bones in the adult axial skeleton.
Answer the following statement true (T) or false (F)
There is a short period of time in the cardiac cycle, in which all four heart chambers are in diastole.
Answer the following statement true (T) or false (F)