You never feel thirsty even though your body frequently becomes dehydrated. Your doctor suspects that the problem might be an imbalance or abnormality in your brain. The doctor will want to do neuroimaging of your
A. midbrain.
B. hypothalamus.
C. medulla oblongata.
D. thalamus.
Answer: B
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Peripheral receptors stimulate the respiratory areas resulting in
A. passive exhalation. B. increased respiratory rate. C. respiratory collapse. D. decreased respiratory rate.
Reabsorption in capillaries occurs
a. when blood osmotic pressure plus blood hydrostatic pressure exceed outward-driving forces. b. when blood osmotic pressure plus interstitial fluid osmotic pressure exceed outward-driving forces. c. when blood hydrostatic pressure plus blood osmotic pressure is less than inward-driving forces. d. under conditions a and c e. None of these
Visual pigments undergo which three changes during photoreception?
A) activation, bleaching, and reassembly B) activation, bleaching, and deactivation C) depolarization, repolarization, and hyperpolarization D) activation, denaturation, and reassembly E) detection, bleaching, and absorption
In hydrolysis reactions, compounds react with
A) hydrogen, causing decomposition. B) glucose, causing decomposition. C) water, causing decomposition. D) carbon, causing decomposition. E) water, causing synthesis.