Because neurotransmitters are responsible for immediately transmitting impulses between nerve cells, they are known as which of the following?
A) First messengers
B) Second messengers
C) Receptors
D) Synapses
Ans: A
Feedback:
Neurotransmitters are referred to as first messengers, which denotes that they are molecules that communicate information or change from one cell or cell group to another, cause an immediate effect, and are typically found in circuitry that produces behavior. A second messenger is a substance manufactured from the coupling of a first messenger to a receptor. Neurotransmitters can initiate the action of second messengers but neurotransmitter themselves are not second messengers.
You might also like to view...
Specific gravity of the urine reflects
A) a direct relationship with serum osmolarity. B) the capacity to concentrate the urine. C) how many sodium ions accompany 1 kg of solvent. D) molecular weight of substances (i.e., protein, glucose, etc.).
A patient presents to the walk-in clinic complaining of vomiting and burning in her mid-epigastria. The nurse knows that in the process of confirming peptic ulcer disease, the physician is likely to order a diagnostic test to detect the presence of what?
A) Infection with Helicobacter pylori B) Excessive stomach acid secretion C) An incompetent pyloric sphincter D) A metabolic acid–base imbalance
The payment system that is used by health maintenance organizations (HMOs) is known as
1. Capitation. 2. Medicaid. 3. Medicare. 4. Single payer.
A nursing instructor is teaching about pharmacological treatments for attention deficit-hyperactivity disorder (ADHD). Which information about atomoxetine (Strattera) should be included in the lesson plan?
A. Strattera, unlike methylphenidate (Ritalin), is a central nervous system depressant. B. When taking Strattera, a client should eliminate all red food coloring from the diet. C. Strattera will be a life-long intervention for clients diagnosed with this disorder. D. Strattera, unlike methylphenidate (Ritalin), is a selective norepinephrine reuptake inhibitor.