A corrective cardiac procedure in which a large piece of a patient's own latissimus dorsi muscle is wrapped around the heart and stimulated by an implanted pacemaker to assist the pumping action of a damaged heart
a) myocardial infarction
b) tetrology of Fallot
c) cardiomyopathy
d) cardiomegaly
e) cardiomyoplasty
e
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There are two types of proliferation, one for ________ and one for B-cells
A) Dendritic cells B) Lymphocytic cells C) Natural killer cells D) Effector T-cells
In one kind of second-messenger system,
a. a small amount of one hormone (second messenger) is required to release another b. a tropic hormone (first messenger) stimulates secretion of another hormone (the second messenger) c. the hormone binds to a specific surface receptor, whereupon the hormone-receptor complex moves into the cell to combine with an intracellular receptor d. releasing hormones (first messenger) from the hypothalamus regulate anterior pituitary hormones (second messengers) e. a hormone (first messenger) binds to surface receptors that activate adenylate cyclase, which then catalyzes cAMP formation
Select the incorrect statement about the postreceptor events of hydrophilic hormones
a. Adenyl cyclase forms cAMP. b. cAMP is a secondary messenger. c. Some hydrophilic hormones use calcium ions as a secondary messenger. d. The hydrophilic hormone binds to a cytoplasmic receptor to activate the second messenger system e. cAMP activates protein kinase
Areas of the skin with small receptive fields would have a greater sensory acuity.
Answer the following statement true (T) or false (F)