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Parasympathetic stimulation refers to the activation of the parasympathetic nervous system, which is one part of the autonomic nervous system responsible for rest and digest functions. It slows the heart rate, increases digestion, and promotes relaxation in the body.
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Does parasympathetic stimulation inhibit digestion?
No, parasympathetic stimulation actually enhances digestion. It promotes the release of digestive enzymes and increases blood flow to the digestive organs, which helps with the absorption and processing of nutrients from food.
Does coronary vessels have both parasympathetic and sympathetic innervation?
Yes, coronary vessels have both parasympathetic and sympathetic innervation. Parasympathetic input leads to vasodilation of coronary vessels, while sympathetic input can cause vasoconstriction in response to stress or exercise. The balance between these two systems helps regulate blood flow to the heart.
Does parasympathetic stimulation of the intestine increase or decrease motility and increase or decrease digestive gland secretion?
Parasympathetic stimulation of the intestine increases motility by promoting smooth muscle contractions and enhances digestive gland secretion by stimulating the release of digestive enzymes and fluids.
What is the effect of parasympathetic stimulation on respiration?
Parasympathetic stimulation typically decreases respiration rate by promoting relaxation through mechanisms such as reducing sympathetic activity, slowing down the heart rate, and decreasing the depth of inhalation. This allows the body to conserve energy and support activities like digestion and rest.
How does parasympathetic stimutaion effect the bowel?
The parasympathetic effect on urination will be that of bladder stimulation and resultant voiding of urine. If this stimulation is ecessive it will result in the bladder not being able to hold the urine until voluntary voiding of the urine thus a clinical effect of urinary incontinet results because of lack of control of bladder contraction by the individual.
Is salivation a result of parasympathetic stimulation?
no
Which is not a result of parasympathetic stimulation?
dilation of the pupils
Does the heart receive both parasympathetic and sympathetic stimulation?
yes
What happens if the heart receives more sympathetic stimulation than parasympathetic stimulation?
increase its rate and force of contraction
The effects of sympathetic and parasympathetic stimulation of the salivary glands are called?
complementary
Does the parasympathetic nerve acts as a braking system for the heart?
the heart is supplied by both sympathetic and parasympathetic nerve fibers . normally in resting state the heart is under the parasympathetic stimulation ; that's mean if you ramove the parasympathetic stimulation the heart rate will increase up to 100 beat by minute ( under normal conditions in healthy man the heart rate is 72 on average ) , during exercise the heart rate increase and that occurs by the sympathetic stimulation and decreasing the parasympathetic stimulation , and that exactly resemble what occurs when you increase the car velocity : so the we can say that the parasympathetic nerve acts as a braking system of the heart .written by : asma aburas ; medical student .
Does sympathetic or parasympathetic stimulation produce thicker saliva with more mucus?
Sympathetic. Parasympathetic secretes thin saliva rich in amylase.
Does parasympathetic stimulation inhibit digestion?
No, parasympathetic stimulation actually enhances digestion. It promotes the release of digestive enzymes and increases blood flow to the digestive organs, which helps with the absorption and processing of nutrients from food.
Does coronary vessels have both parasympathetic and sympathetic innervation?
Yes, coronary vessels have both parasympathetic and sympathetic innervation. Parasympathetic input leads to vasodilation of coronary vessels, while sympathetic input can cause vasoconstriction in response to stress or exercise. The balance between these two systems helps regulate blood flow to the heart.
What is the effect of parasympathetic stimulation on this salivary glands?
Parasympathetic stimulation increases saliva production in the salivary glands by causing the release of acetylcholine, which binds to receptors on the gland cells and triggers the secretion of saliva. This response helps with digestion and keeps the mouth moist.
Does parasympathetic stimulation of the intestine increase or decrease motility and increase or decrease digestive gland secretion?
Parasympathetic stimulation of the intestine increases motility by promoting smooth muscle contractions and enhances digestive gland secretion by stimulating the release of digestive enzymes and fluids.
What best demonstrates an example of cooperation of the parasympathetic and sympathetic nervous systems?
The best example of cooperative autonomic effects is seen in controls of the external genitalia. Parasympathetic stimulation causes vasodilation of blood vessels in the external genitalia, and is responsible for erection of the male penis or female clitoris during sexual excitement. Sympathetic stimulation then causes the ejaculation of semen by the penis or reflex contractions of the vagina during an orgasm.
