Waking up from a deep sleep, a homeowner heard a burglar breaking the panes in his sliding glass door. What hormone made the homeowner have an increased heart rate, increased blood pressure, sweating, and a dry mouth?
A. Insulin
B. Dopamine
C. Estrogen
D. Adrenaline
Answer: D
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Why do asthma sufferers often use inhalers that contain sympathomimetics to ease their symptoms?
A. Sympathomimetics suppress release of norepinephrine and epinephrine. B. The drugs are antagonists that bind to adrenergic receptors in the bronchial tubes without stimulating them. C. The drugs are agonists that stimulate adrenergic receptors in the bronchial tubes. D. The sympathomimetics bind to muscarinic receptors and block them. E. Sympathomimetics enhance the release of acetylcholine from preganglionic and postganglionic neurons.
Which of the chambers of the heart can generate the greatest pressure?
A) the left ventricle B) the right ventricle C) the left atrium D) the right atrium E) Both ventricles create greater pressures simultaneously than do the atria.
Match the artery with the appropriate description.A. Supplies blood to the diaphragmB. Supplies blood to the esophagusC. Supplies blood to the thoracic wallD. Supplies blood to the pancreas and small intestineE. Supplies blood to the stomach, liver, and spleenThoracic visceral artery
Fill in the blank(s) with the appropriate word(s).
Which muscles form the pelvic diaphragm?
A. Coccygeus and bulbospongiosus B. Bulbospongiosus and Ischiocavernosus C. Levator ani and ischiocavernosus D. Levator ani and coccygeus E. Superficial transverse perineal muscle and bulbospongiosus