What is the attachment which is on the more stationary bone?
a. Tendon.
b. Origin.
c. Insertion
d. Bursae.
Answer: b. Origin.
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Which of the following is the correct sequence for the digestion and absorption of lipids?1. Formation of chylomicrons2. Emulsification by bile3. Diffusion through the epithelial cell membrane4. Hydrolysis by pancreatic lipase5. Movement into lacteal ducts
A. 2, 4, 3, 1, 5 B. 2, 1, 4, 3, 5 C. 3, 2, 4, 5, 1 D. 4, 3, 2, 1, 5
Match the following with its description.
1. parasympathetic tissue receptor 2. target receptor for preganglionic neurons 3. released by all autonomic preganglionic neurons 4. primary sympathetic neurotransmitter 5. sympathetic tissue receptor A. acetylcholine B. norepinephrine C. cholinergic nicotinic receptor D. adrenergic receptor E. cholinergic muscarinic receptor
Fast-twitch muscle cells rely heavily on anaerobic respiration for their ATP production, whereas slow-twitch muscle cells rely on aerobic respiration. Considering this information, which of the following is true?
a. As compared to fast-twitch muscle cells, slow-twitch muscle cells produce a ATP more quickly. b. As compared to slow-twitch muscle cells, fast-twitch muscle cells produce a higher ATP yield per glucose molecule. c. Fast-twitch muscle cells have a poor blood supply compared to slow-twitch muscle fibers. d. Fast-twitch muscle cells require oxygen for ATP production, whereas slow-twitch muscle cells primarily metabolize glucose in the absence of oxygen.
Blood leaves the left atrium through what valve?
A. Tricuspid valve B. Pulmonary valve C. Bicuspid valve D. Aortic valve