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1. Vasoconstriction is a _______________ response. A) sympathetic B) parasympathetic 2) What is the stimulus that causes depolarization of baroreceptors (i.e., specialized neurons that monitor pressure in major arteries)? A) Binding of chemicals to ligand-gated channels in the baroreceptor membrane. B) Binding of chemicals to mechanical-gated channels in the baroreceptor membrane. C) Stretch of arterial walls that forces open ligand-gated channels in the baroreceptor membrane. D) Stretch of arterial walls that forces open mechanical-gated channels in the baroreceptor membrane. 3) Which of the following events are considered visceral motor? Choose ALL that apply. A) Increase of action potentials from baroreceptors to brain cardiovascular control centers B) Release of acetylcholine from cardioinhibitory neurons C) Neurons stimulating the release of epinephrine and norepinephrine to cause vasoconstriction D) Communication between neurons WITHIN the cardiovascular control centers of the medulla (hindbrain) 4) An increase in cardiac output will help to lower blood pressure. A)True B)False 5) The visceral motor events completed (either sympathetic or parasympathetic) to help return the blood pressure to a homeostatic setpoint are part of ________________ feedback loops. A)Negative B)Positive
In August 2001, a man walking his dog in Lindley Woods, near Otley, in West Yorkshire, discovered the body of 16-year old Leanne Tiernan, buried in a shallow grave.
Compare and contrast protein digestion in the stomach and in the small intestine. Discuss the enzymes and other factors involved as well as hormones regulating these enzymes.
Did the enzymes completely digest all the DNA they were uncubated with? How do you know.
Several main types of animals are now extinct. A treasure trove of fossils from these unusual animals was found in the Canadian Rockies.
As a laboratory assistant you were asked to determine the total number of bacteria in the urine of a person with a urinary tract disorder.
q1. in horses black coat colour is dominant over chestnut. in gait trotting is dominant over pacing. if a mare with a
As exercise intensity increases, the respiratory system increases oxygen delivery to the body via the lungs by up to 10 to 20-fold.
Why is the claim misleading
pick a body system and provide an overview of the organs and functions of this system. when summarizing the organs and
Darwin found that the faunas and floras of oceanic islands tend to be impoverished and unbalanced when compared to those of continental islands. Explain what this means (2) and provide examples of this difference (1). Outline the evolutionary expl..
employees in the health care system manage a wide variety of health issues and diseases. this course has provided you
Endocrine System
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