Muscles that act on the knee joint form most of the mass of the __________.
A. thigh
B. hip
C. knee
D. calf
Answer: A. thigh
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Heliobacter pylori is a species of bacteria that causes stomach ulcers. It does this by burrowing into the mucosal lining of the stomach and degrading it to form a hole. By doing so, what type of innate defense is it overcoming?
A. Inflammation B. Mechanical barriers C. Chemical barriers D. Species resistance
Distortion of the cervix stimulates maternal release of which hormone?
A) estrogen B) progesterone C) oxytocin D) relaxin E) human chorionic gonadotropin
Which letter is marking the teres major in this figure?
A) A B) B C) C D) D E) E
Which of the following statements concerning liver sinusoids is true?
(a) they are continuous with bile canaliculi (b) they are surrounded by a well developed basal lamina (c) they are lined by continuous endothelial cells (d) they deliver blood to the central vein (e) they deliver blood to the portal vein