An increase in the osmolarity of the extracellular fluid will trigger a/an ________ in the secretion of ADH and a/an ________ in thirst.
A. decrease; increase
B. increase; decrease
C. decrease; decrease
D. increase; increase
Answer: D
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A common site to place a tracheostomy tube is through the ligament that connects the cricoid cartilage to the ________ cartilage
A) thyroid B) cuneiform C) corniculate D) epiglottic E) vestibular
Km in the Michaelis-Menten equation represents
A) The maximum amount of substrate that can be catalyzed by the enzyme. B) The amount of substrate required for the initial velocity to be half of the maximal velocity. C) The amount of substrate required to start an enzymatic reaction. D) A set constant used for all enzymatic reactions
Answer the following statements true (T) or false (F)
1. The force of muscle contraction is controlled by multiple motor unit summation or recruitment. 2. Eccentric contractions are more forceful than concentric contractions. 3. A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate. 4. Peristalsis is characteristic of smooth muscle. 5. A contraction in which the muscle does not shorten but its tension increases is called isometric.
Glucose anabolism is called:
a. glycolysis b. glycogenesis c. glucagon d. both A and B above