What is a likely result of damage to the phrenic nerve?
A. Lack of sensation from the anterior thigh
B. Inability to flex the elbow
C. Loss of motor control of the thoracic diaphragm.
D. Inability to flex the torso
Answer: C
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The most important factor controlling respiration is the of arterial blood
Indicate whether the statement is true or false
Once the cranial bones reach skeletal maturity, they are joined by:
a) diarthroses to protect the underlying brain. b) amphiarthroses to protect the underlying brain. c) syndesmoses to protect the underlying brain. d) synarthroses to protect the underlying brain.
Which germ layer is the cardiovascular system derived from?
A. ectoderm B. mesoderm C. endoderm
Which of the following is not associated with the large absorptive surface of the small intestine?
A) Microvilli B) Intestinal length C) Villi D) Rugae E) Circular folds (plicae circulares)