Stress can bring out aggression in an exotic animal
Indicate whether the statement is true or false
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In a covalent bond
A) oppositely charged atoms attract. B) atoms share a pair or more of electrons. C) like-charged atoms repel. D) one atom loses and another atom gains electrons.
During the act of drinking water, the desire for water is usually inhibited by
A. Distension of the stomach B. Hormones secreted by stomach cells C. Changes in intracellular fluid concentration D. Changes in extracellular fluid concentration
The hypothalamus has an important role in the hypothalamic-pituitary-endocrine gland axes. As part of these axes, hypothalamic neuroendocrine neurons secrete:
A. tropic hormones B. steroid hormones C. releasing hormones D. thyroid hormones
Explain the drop in blood pressure that occurs when one goes from lying down to standing up
A. The heart rate decreases. This is due to the baroreceptor reflex reducing sympathetic output to the SA node. B. An increase in afterload causes a drop in stroke volume, cardiac output, and blood pressure. C. An increase in preload causes a drop in stroke volume, cardiac output, and blood pressure. D. Venous compliance allows blood to pool in the legs, decreasing venous return. This causes a drop in cardiac output and blood pressure.