1) A severe bout of vomiting eventually lowers blood plasma [H 1 (remember that
ID: 3516354 • Letter: 1
Question
1) A severe bout of vomiting eventually lowers blood plasma [H 1 (remember that the stomach contents are highly acidic because protons are pumped out of the stomach epithelium into the stomach lumen). After this occurs, what will happen to your alveolar ventilation rate? OA It will decrease O B It will increase OIt will stay the same 2) Your endocrine response to exercise is very similar to the post-absorptive state, with one important difference. Which of the following characteristics of the post-absorptive state will NOT be true after several hours of sustained aerobic exercise? O A The rate of glucagon secretion will be higher than before the exercise. OBThe rate of insulin secretion will be lower than before the exercise. C The number of GLUT4 transporters in skeletal muscle fiber plasma membranes will be lower than before the exercise. O D l higher catabolism of glycogen in the liver than before the exercise. OEThere will be higher catabolism of triglycerides in your adipocytes than before the exercise. F Sympathetic release of epinephrine will be higher than before the exercise. 3) List at least three plausible physiological changes from three different physiological systems (nervous, endocrine, cardiovascular, musculoskeletal, and/or respiratory) that will occur when you move from a state of rest to a state of intense, sustained aerobic exerciseExplanation / Answer
1)a severe vomiting results in decrease in H+concentration which results in metabolic alkalosis which leads to increase in Hco3 and decrease in H + ion also called hypovolemia which leads to hypoventilation to restore the CO2 amount so answer is (a).
2))after severe exercise GLUT4 receptors increases as it is used in glucose translation which is used as a substrate during exercise.Answer is(c)
3))the changes are
Nervous system
A)it causes cns fatigue
B)it decrease the conduction of impulse from brain to spinal cord.
C)an inhibition of motor neuron excitability by neurally mediated afferent feedback impulse of muscle which decreases the ability of motor neurone to get stimulated.
Endocrine system
A)it increases the plasma concentration of growth hormone
B(increases plasma concentration of glucagon
C)insulin concentration changes
Cardiovascular system
A)heart rate increase s
B) strokes volume increases
C) cardiac volume increases
Musculoskeletal system
A) muscle fatigue
B)muscle exhaustion
C)muscle damage
Respiratory system
A) respiratory rate increase s due to meet the increase in oxygen demand
B)anoxaemia results
C)arterial desaturation
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