The pituitary gland is housed in a saddle-like depression in the temporal bone called the sella turcica
Indicate whether the statement is true or false
FALSE
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Which is not an action of interferon?
A. It stimulates macrophages and NK cells to destroy virus-infected cells. B. It triggers synthesis of enzymes that destroy viral nucleic acids. C. It signals the immune system that the secreting cell is part of the body and so should not be attacked. D. It binds to receptors of neighboring cells preventing them from being infected.
Explain the role of aldosterone in sodium and water balance
What will be an ideal response
What is the hormone synthesized from molecules of the neurotransmitter serotonin in the pineal gland?
a. oxytocin b. pinealtonin c. melatonin d. melanocyte-stimulating hormone
What causes closure of the foramen ovale at birth?
A. A rise in fetal oxygen levels, which triggers growth of the epithelial lining B. Rapid myocardial tissue growth stimulated by pregnancy hormones C. Higher pressure in the left atrium, which causes interatrial septum flaps to close D. Migration of connective tissue from the right atrioventricular valve E. An increase in endothelial mucous production, which forms a plug