How many bones are in the appendicular skeleton?
A) 60
B) 80
C) 100
D) 120
E) 126
Answer: E
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The circular muscle of the iris
a. contracts in response to bright light to produce pupillary constriction b. is innervated by the parasympathetic nervous system c. contracts to loosen the suspensory ligaments and to increase the strength of the lens during accommodation d. is characterized by a and b e. is characterized by b and c
Tight junctions
a. prevent passage of materials between epithelial cells. b. force materials to pass through cells. c. are commonly found in digestive tract linings. d. all of these answers. e. none of these answers.
The small stalk connecting the two lateral portions of the thalamus is known as the
A) interthalamic adhesion B) intermediate mass C) Both A and B. D) Neither A nor B.
Sixty-five year old Stephen has knee replacement surgery which requires a thin section of his distal femur to be removed. Which of the following statements is true?
A. The health care team informs Stephen he is at high risk for osteomyelitis due to his age. B. As long as the surgery has minimal bleeding, Stephen will have no risk for developing osteomyelitis. C. Stephen has no risk of osteomyelitis because he tests negative for Staphylococcus aureus when given a skin swab. D. Due to the invasive nature of the surgical procedure, Stephen is at risk for osteomyelitis, a bacterial infection of bone.