Which hormones work synergistically to retain water?
What will be an ideal response?
Antidiuretic hormone (ADH) and aldosterone
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Blood flow through most organs in the systemic circuit is regulated primarily by increasing or decreasing the ________ activity to arteriolar smooth muscles in the organ. Another form of regulation, called ________, depends upon the metabolic activity of the organ. Increased activity leads to increased interstitial fluid metabolites, which cause ________ of the arterioles. The former is a type of ________ regulation of blood flow; the latter is an example of ________ regulation.
A. sympathetic; active hyperemia; dilation; extrinsic; intrinsic B. parasympathetic; reactive hyperemia; dilation; extrinsic; intrinsic C. parasympathetic; active hyperemia; constriction; extrinsic; intrinsic D. sympathetic; reactive hyperemia; dilation; intrinsic; extrinsic E. sympathetic; flow autoregulation; constriction; intrinsic; extrinsic
Which of the following statements about hormones is correct?
A. All hormones secreted by the anterior and posterior pituitary glands are peptides. B. Anterior pituitary hormones are synthesized in the hypothalamus. C. Only steroid hormones can regulate the secretion of steroid hormones. D. All of the hypophysiotropic hormones are peptides. E. IGF-1 stimulates growth by increasing growth hormone secretion through positive feedback.
Which of the following parts of a reflex arc receives sensory information and decides how to respond to a change in the body's condition?
a) Sensory receptor b) Sensory neuron c) Motor neuron d) Effector e) Integration center
Where is the pituitary gland located?
A. Within the sella turcica of the sphenoid bone B. Within the third ventricle of the brain C. Between the cerebrum and cerebellum, inferior to the occipital lobe D. On the tracheal surface, inferior to the larynx E. On the posterior surface of the thyroid gland