Which of the following is consistent with homeostasis?
A. As blood pressure falls, blood flow to the heart decreases.
B. As body temperature rises, sweating occurs to cool the body.
C. When a person drinks large quantities of water, urine output decreases to raise blood volume.
D. Decreases in blood pressure cause a corresponding decrease in heart rate.
E. Elevated blood glucose levels cause insulin secretion to decline.
Answer: B
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There is only one symphysis in the human body.
Answer the following statement true (T) or false (F)
Which statement regarding the chambers of the heart is not true?
A. The atria are receiving chambers and the ventricles are pumping chambers. B. The right half of the heart contains deoxygenated blood and the left half of the heart contains oxygenated blood. C. The thickest myocardium is in the ventricles. D. All of the above statements are true. E. None of the above statements is true.
The temporalis muscle is innervated by the mandibular branch of the __________.
A. abducens nerve B. trigeminal nerve C. trochlear nerve D. optic nerve
The joint between the occipital bone of the skull and the first cervical vertebra (atlas) is which part of which class of lever system?
A) first-class lever; load B) second-class lever; applied force C) third-class lever; load D) first-class lever; fulcrum E) third-class lever; fulcrum