In cardiac muscle, which of the following work to remove calciumfrom the intracellular fluid? Select one: a. Only the L-type Ca++channel in the T tubules b. Only the Ca++ pump on the sarcoplasmicreticulum c. Only the Na+, Ca++ exchangers on the cell membrane d.Both the Ca+ pump and Ca++, Na+ exchanger.
Chronic stress in adolescents may result in decreased stature.Select one: True False
The presence of food in the stomach is a stimulus for acidsecretion. Select one: True False
The name for a chemical, released by an immune cell whichattracts other leukocytes to the area. Select one: a. interferons.b. opsonins. c. antigens. d. lysozymes. e. chemotaxins
A feed forward mechanism is an anticipatory response tostimulus. Select one: True False
