A sudden rise in blood pressure in the carotid artery would
A) initiate the baroreceptor reflex.
B) cause a reduction in heart rate and force of contraction.
C) produce a reflex coordinated by the cardiac center in the medulla oblongata.
D) All of the answers are correct.
E) None of the answers are correct.
D) All of the answers are correct.
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What is the origin of the postganglionic fibers that cause the pupil to dilate?
A. Optic ganglion B. Ciliary ganglion C. Splanchnic nerves D. Solar plexus E. Carotid plexus
Atrial repolarization and ventricular depolarization occur __________
Fill in the blank(s) with correct word
Which of the following choices is NOT a functional process performed by the respiratory system?
A) pulmonary respiration B) pulmonary ventilation C) external respiration D) transport of respiratory gases
Cilia and flagella are distinguished from each other on the basis of
A. width and numbers. B. length and numbers. C. depth and numbers. D. length and width. E. None of these choices is correct.