Autonomic Nervous System Flashcards
What is the desired response to manage asthma with bronchospasm?
- Sympathetic
- Parasympathetic
Sympathetic
An asthmatic attack with bronchospasm is due to which effect?
- Sympathetic
- Parasympathetic
Parasympathetic
What is the response of the heart during exercise?
- Sympathetic
- Parasympathetic
Sympathetic
What is the response of the pupil when light is flashed on the eye?
- Sympathetic
- Parasympathetic
Parasympathetic
What is the response of vagus nerve stimulation to the heart?
- Sympathetic
- Parasympathetic
Parasympathetic
What is the response to stress or emergency situations requiring immediate action?
- Sympathetic
- Parasympathetic
Sympathetic
Erection is a ______ response.
- Sympathetic
- Parasympathetic
Parasympathetic
What is the response on the pupil in a dark room?
- Sympathetic
- Parasympathetic
Sympathetic
The response of B2 receptors on smooth muscles of blood vessels cause:
- Vasodilation
- Vasoconstriction
Vasodilation
Voiding and defecation are possible through ______ action.
- Sympathetic
- Parasympathetic
Parasympathetic
What is the effect of sympathetic stimulation in the iris of the eye?
- Pupillary constriction
- Pupillary dilation
- No effect
- Pupillary constriction then dilation
Pupillary dilation
Which division of ANS has a fight and flight response?
- Sympathetic
- Parasympathetic
- Enteric
- None of these
Sympathetic
Activation of which adrenergic receptors cause relaxation or decreased activity of effector cells?
- Beta receptors
- Alpha receptors
Beta receptors
Which does not belong to the group?
- Increased sweating
- Pupillary dilation
- Increased heart rate
- None of the above
None of the above
Parasympathetic fibers are carried by:
- Thoracolumbar spinal cord
- Cranial nerves III, IV, VI
- Sacral cord only
- Brain stem only
- None of the above
None of the above
Muscarinic and nicotinic refer to receptors of the parasympathetic nervous system.
- True
- False
True
Increased sympathetic discharge increases heart rate.
- True
- False
True
In an asthmatic attack, smooth muscles in bronchioles undergo spasm which is a parasympathetic response.
- True
- False
True
During exercise, sympathetic responses include vasodilation of coronary arteries in the heart.
- True
- False
True
Cranial nerves III, VII, IX, and X carry parasympathetic functions.
- True
- False
True
The sympathetic response of blood vessels and skeletal muscles during exercise is vasoconstriction.
- True
- False
False
Parasympathetic functions promote digestion and absorption of food.
- True
- False
True
In parasympathetic discharge, piloerector muscles contract causing hairs on the skin to stand.
- True
- False
False
The pupillary constriction as a response to light is a sympathetic function of the oculomotor nerve.
- True
- False
False
The vagus nerve has the most extensive distribution of sympathetic fibers to several organs.
- True
- False
False
Which of the following is TRUE in both the autonomic and the somatic division?
- Both have a stimulatory effect
- Both of their effectors synapse with ganglionic neurons
- Both release epinephrine to stimulate response to end organs
- None of the above
Both have a stimulatory effect
Which of the following pairs of autonomics and neurotransmitters is TRUE?
- Preganglionic sympathetic fiber - norepinephrine
- Postganglionic sympathetic fiber - norepinephrine
- Preganglionic parasympathetic fiber - norepinephrine
- Postganglionic parasympathetic fiber - norepinephrine
Postganglionic sympathetic fiber - norepinephrine
Which of the following activities is a result of increased cholinergic discharge?
- Contraction of pyloric sphincter
- Penile erection
- Uterine contraction (non-pregnant females)
- Lypolysis
Penile erection
Which of the following responses DOES NOT occur in increased adrenergic activity?
- Glycogenesis
- Glycogenolysis
- Increased rate of blood coagulation
- Copious sweating
Glycogenesis
TRUE of neurotransmitters:
- Acetylcholine’s effect to end organs are long duration.
- Norepinephrine, epinephrine and acetylcholine are found circulating in the blood.
- Epinephrine comes from adrenal medulla.
- Monoamine oxidase helps synthesize epinephrine.
Epinephrine comes from adrenal medulla.
The pupillary constriction as a response to light is a parasympathetic function of the oculomotor nerve.
- True
- False
True
