How is hypertension (high blood pressure) related to the ANS?
What will be an ideal response
The ANS is involved with nearly every process that goes on within the body. Because it controls smooth muscle activity, the heart, and blood vessel constriction, it is not surprising that hypertension and ANS activity are related. Overproduction of adrenergic responses for extended periods keeps vessels constricted and heart rate and force of contraction high. This can lead to hypertension that is often stress related and can be treated with adrenergic receptor-blocking drugs that counteract the effects of the sympathetic nervous system on the cardiovascular system.
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Which of the following statements concerning control of food intake is incorrect?
a. there are a pair of feeding centers and a pair of satiety centers in the hypothalamus that play a major role in controlling food intake. b. stimulation of the feeding centers drives the individual to eat. c. stimulation of the satiety centers brings about the feeling of having had enough to eat. d. distention of the digestive tract constitutes the major input for regulating food intake. e. destruction of the satiety centers in lab animals leads to overeating and obesity.
Oscillation of the eyes during the tracking of something in motion is called ________.
A. nystagmus B. otitis media C. scotoma D. ptosis E. vertigo
The primary function of the proximal convoluted tubule is
A) filtration. B) reabsorbing nutrients. C) secretion of acids and ammonia. D) secretion of drugs. E) adjusting the urine volume.
Why is it important that cardiac tissue contain many mitochondria and capillaries?
A) Cardiac tissue primarily uses mitochondria for fermentation to generate ATP and capillaries provide a way to get rid of the lactic acid. B) Cardiac tissue primarily uses mitochondria for anaerobic respiration to generate ATP and capillaries get rid of the waste generated. C) Cardiac tissue primarily uses mitochondria for glycolysis to generate ATP and capillaries provide the oxygen and nutrients for this process. D) Cardiac tissue is metabolically active and dependent on mitochondrial activity to use aerobic respiration to generate ATP and capillaries provide the oxygen and nutrients for this process. E) Cardiac tissue is metabolically active and dependent on the mitochondrial activity for the breakdown of fatty acids during beta-oxidation and the capillaries provide the fatty acids for this process.