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What are the effects of alpha-1 receptor stimulation?
Stimulation of alpha-1 receptors causes vasoconstriction, leading to an increase in blood pressure and pupil dilation. It can also result in smooth muscle contraction in organs such as the bladder and intestine.
Is salivation a result of parasympathetic stimulation?
no
Which is not a result of parasympathetic stimulation?
dilation of the pupils
Stimulation of a cat's amygdala is most likely to result in?
increased aggression
What is the result of sympathetic stimulation on the trachea?
Sympathetic stimulation of the trachea causes the trachealis muscle to relax, giving the trachea a large cross-sectional area. This allows increased air flow because of the increased diameter and less resistance.
What is the result of parasympathetic stimulation of the SA node?
Parasympathetic stimulation of the SA node decreases heart rate by releasing acetylcholine, which hyperpolarizes the cells in the node and slows down the rate of depolarization. This stimulation is mediated by the vagus nerve, leading to decreased firing of action potentials and a slower heart rate.
Why blocking the sodium channels result in diarrhoea?
Blocking sodium ion channels reduces the uptake of water from the lumen of the intenstine into the epithelial cells of the villus due to osmosis. Water, therefore, remains in the intestine and this causes watery faeces/diarrhoea
What is the effect of sympathetic stimulation on the rectum?
Sympathetic stimulation causes relaxation of the rectum's smooth muscle, leading to decreased motility and tone. This can result in decreased urgency and the ability to retain feces.
What was the cause of deaths in World War I?
Besides the obvious injuries and deaths, most deaths were the result of infection, dysentery, diarrhoea, secondary infections, pneumonia, and TB.
What is the result when you increase 40 by 85 percent?
The result is 74.
How does PNS stimulation affect the lungs?
parasympathetic system (PSNS) will a)vasoconstrict the lumen of airway by contracting smooth muscle cells along the conducting passage via M3 Receptor, b)increase mucus secretion via M3 Overall it'll interfere with normal breathing pattern and obstruct normal breathing.
Do hormones increase during puberty which can result in an increase of acne?
yes
