If a person were to have substantial blood loss you would expect to see all of the following physiological events to except one. Select the least likely response to substantial blood loss
A) increasing vasomotor tone
B) decreased heart rate
C) increases peripheral resistance
D) a weak, thread pulse
B
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The common pathway in coagulation ends with __________.
a) release of PF-3 b) adhesion of platelets to a damaged vessel wall c) positive feedback of thrombin formation d) conversion of soluble fibrinogen to insoluble fibrin
Which of the following is a parasitic protist that causes malaria?
A) Paramecium B) Slime mould C) Platyzoa D) Plasmodium
Which diagnostic exam determines whether a person has developed an immune response to the bacterium that causes tuberculosis?
A. Arterial blood gas B. Mantoux test C. Pulse oximetry D. Peak flow meter
The removal of calcium ions from the cytosol of skeletal muscle causes
A. the myosin binding sites on actin to be uncovered by tropomyosin. B. tropomyosin to change conformation and thereby move troponin molecules over cross-bridge binding sites. C. troponin to change conformation and thereby expose cross-bridge binding sites. D. the myosin binding sites on actin to be covered by tropomyosin. E. None of the choices is correct.