Ligaments attach muscle to bone
Indicate whether the statement is true or false.
FALSE
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Platelets participate in hemostasis by
A. secreting nitric oxide and releasing chemicals that promote vasoconstriction. B. aggregating to form a plug and manufacturing fibrinogen. C. aggregating to form a plug and releasing chemicals that promote vasoconstriction. D. secreting tissue plasminogen activator (t-PA) whenever they come into contact with collagen. E. secreting prostacyclin, which prevents platelet aggregation on blood vessel endothelium.
A 13-year-old girl is brought to the ER after falling from a horse onto her left side. Her pulse is 120/min, blood pressure is 90/60 mm Hg, and respirations are 30/min. Physical examination reveals cold and clammy skin, bruising, and fractured 9th and 10th ribs on her left side at the posterior axillary line. Which of the following organs is most likely damaged in this patient?
(A) Stomach (B) Kidney (C) Lung (D) Liver (E) Spleen
Releasing and inhibiting hormones made by the hypothalamus control the release of hormones from the posterior pituitary
Indicate whether the statement is true or false
Approximately what percentage of the energy in a glucose molecule winds up in ATP with the rest lost as body heat?
A) 98 B) 20 C) 40 D) 80 E) 10