The human heart were experiencing hyperthermia, what do you think would be the effect on the heart rate?
A) The heart rate would increase and then return to normal.
B) The heart rate would decrease.
C) The heart rate would increase.
D) The heart rate would not change.
Answer: C) The heart rate would increase.
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This figure shows the muscles of the anterior neck. What muscle does number 3 indicate?
A. Sternocleidomastoid B. Trapezius C. Sternothyroid D. Geniohyoid E. Sternohyoid
A lack of impulses from the primary respiratory center to the respiratory muscles will initiate
A. relaxation for inspiration. B. contraction for expiration. C. contraction for inspiration. D. relaxation for expiration.
Spina bifida cystica refers to a congenital anomaly characterized by:
A) an asymptomatic bifurcation of the cauda equina. B) a division of the L5 vertebral body that is often associated with sciatica. C) a developmental defect of one more lumbar vertebral arches that may be associated with limb paralysis and deficiencies in bowel/bladder control. D) an abnormal division of spinal nerves so that lower limb movement control is disturbed. E) the spinous processes of all of the presacral vertebral column being bifid.
Which of the following statements about blood vessels is FALSE?
A. Large and medium-sized arteries are deep. B. Veins that accompany arteries often have the same names. C. Deep veins are often paired. D. Most medium and large veins have one-way valves. E. Anastomoses are more common in arteries than veins.