Indicate the proper order of events during the cardiac cycle by placing numbers in the blanks preceding the events in sequence. (Some steps may have been omitted.) The first event is labeled as your starting point. 1 AV valve open; aortic valve closed; ventricular filling occurring Blood ejected from the ventricles Isovolumetric ventricular relaxation Atrial contraction AV valve opens;
ventricular filling occurs again; one cardiac cycle is complete Aortic valve opens SA node discharges Ventricular filling complete Ventricular relaxation begins Aortic valve closes Isovolumetric ventricular contraction Ventricular contraction begins; AV valve closes
What will be an ideal response?
1, 8, 11, 3, 12, 7, 2, 4, 9, 10, 6, 5
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Tom stumbles and injures his hallux. What part of his anatomy is injured?
A) his hand B) his foot C) his ankle D) his knee E) his hip
The energy equivalent of O2 is:
a. 4.8 kcal of energy liberated per liter of O2 consumed b. 4.8 kcal of energy liberated per liter of CO2 expired c. 5.8 kcal of energy liberated per liter of O2 consumed d. 5.8 kcal of energy liberated per liter of CO2 expired e. 6.8 kcal of energy liberated per liter of CO2 expired
Define chemotaxis
A) Chemotaxis is the process of a phagocyte leaving a capillary by squeezing between adjacent endothelial cells. B) Chemotaxis is the attachment of the phagocyte to its target. C) Chemotaxis is the phagocyte movement in response to chemical stimuli. D) Chemotaxis is the destruction of the target by the phagocyte. E) Chemotaxis is the release of digestive chemicals by the phagocyte when the target is too large to be engulfed.
What is the most prevalent metabolic disease in the world?
a) goiter b) diabetes insipidus c) diabetes mellitus d) Addison's disease