ATI TEAS NURSING ENTRANCE EXAM (SCIENCE) questions with answers

ATI TEAS NURSING ENTRANCE EXAM (SCIENCE)
questions with answers

Aldosterone - ans-Trigger: decreased blood pressure; increased K levels
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Function: increases reabsorption of Na from the renal tubules, causing more water to be re
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absorbed via osmosis xc xc xc




Result: increases blood pressure
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Antidiuretic Hormone (ADH); also called vasopressin - ans-
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Trigger: decreased blood volume; increased osmolality of blood
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Function: prevents fluid loss to maintain blood volume by increasing reabsorption of water f
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rom renal tubules and collecting ducts
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Result: increases blood volume
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Angiotensin (Renal Hormone) - ans-Trigger: activated by renin
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Function: Constricts arteriolar blood vessels; increases reabsorption of Na and Cl and wate
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r retention in the renal tubules ; stimulates ADH secretion
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Result: increases blood pressure
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Renin (Renal Hormone) - ans-Trigger: decreased blood pressure
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Function: activates angiotensin; increases secretion of ADH and aldosterone
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Result: increases blood pressure
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Gastric (Digestive Hormone) - ans-Stimulus for Release: Arrival of protein in the stomach
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Released from: stomach/small intestine
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Target: parietal cells of the stomach
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Function: stimulates gastric acid and mucosal secretion; increases motility
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Ghrelin (Digestive Hormone) - ans-Stimulus for Release: empty stomach
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Released from: Stomach xc xc




Target: Hypothalamus
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, Function: Induces hunger xc xc




Leptin (Digestive Hormone) - ans-Stimulus for Release: fat in the bloodstream
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Released from: adipose (fat) tissue
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Target: Hypothalamus
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Function: Reduces hunger by signaling satiety
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Secretin (Digestive Hormone) - ans-
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Stimulus for Release: Arrival of chyme in the duodenum
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Released from: small intestine
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Target: pancreas, stomach, liver
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Function: stimulates pancreas to release bicarbonate; inhibits gastric emptying; increases
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bile secretion
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Insulin (Digestive Hormone) - ans-Stimulus for Release: Increase in blood glucose levels
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Released from: Pancreas xc xc




Target: liver, muscle and adipose tissue
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Function: Stimulates uptake of glucose for conversion into glycogen; decreases blood gluc
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ose levels
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Glucagon (Digestive Hormone) - ans-Stimulus for Release: low blood glucose levels
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Released from: pancreas xc xc




Target: liver xc xc




Function: Initiates gastric secretion and slows digestion
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Somatostatin (Digestive Hormone) - ans-Stimulus for Release: acid in the stomach
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Released from: stomach xc xc




Target: Secretory stomach cels
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Function: inhibits gastric secretion and slows digestion
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