During exercise, arterioles to the skeletal muscles ________
A) dilate in response to increased muscle metabolites
B) constrict in response to increased O2 and decreased CO2
C) constrict in response to increased muscle metabolites
D) dilate in response to increased O2 and decreased CO2
A
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Which of the following statements regarding the control of parturition is FALSE?
A. Coordinated uterine contractions cause the cervix to dilate. B. Oxytocin secretion is stimulated by cervical dilation. C. Stretching of the myometrium is one signal that begins uterine contractions. D. Oxytocin decreases the expression of myometrial estrogen receptors. E. Prostaglandins stimulate myometrial contractions.
In what category of sensory receptors are the receptor cells in taste buds?
A. mechanoreceptors B. chemoreceptors C. nociceptors D. photoreceptors E. proprioceptors
After a stroke, a patient complains about lack of sensitivity in her right hand. The stroke most likely affected which part of the brain?
A. Precentral gyrus in the right frontal lobe B. Postcentral gyrus in the left parietal lobe C. Precentral gyrus in the left frontal lobe D. Postcentral gyrus in the right temporal lobe E. Postcentral gyrus in the left frontal lobe
What is happening to a neuron that is undergoing Wallerian degeneration?
What will be an ideal response?