Which of the following are the most common neurotransmitters in smooth muscle?
A) dopamine and epinephrine
B) acetylcholine and epinephrine
C) acetylcholine and norepinephrine
D) acetylcholine and dopamine
Answer: C) acetylcholine and norepinephrine
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The final products of the two meiotic divisions are four haploid daughter cells from an original diploid cell.
Answer the following statement true (T) or false (F)
What is a hormone?
A. a chemical released from a nerve cell that affects nearby cells across a synapse B. a chemical released from an endocrine gland that affects target cells without entering the bloodstream C. a chemical found in the blood that catalyzes the destruction of ingested toxins and foreign substances D. a chemical excreted from sweat gland that signals other individuals about the physiological status of the body E. a chemical regulator secreted from an endocrine gland that travels through the bloodstream to affect target cells
The epiglottis opens the glottis during the swallowing reflex
Indicate whether the statement is true or false
A parasite that can result in the death of a dog is called:
a. heartworm c. hookworm b. roundworm d. whipworm