What stimulates the release of antidiuretic hormone (ADH, or vasopressin)?
A) increasing blood glucose levels in the blood B) increasing blood pressure
C) increasing solute concentration of the urine D) increasing solute concentration of the blood
Answer: D
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What is the best description of a tetanic contraction in a skeletal muscle cell?
A. A single action potential in the motor neuron causes a sustained contraction. B. A very large amplitude action potential in the motor neuron causes a very strong contraction in the skeletal muscle cell. C. Multiple action potentials in the motor neuron cause a sustained contraction. D. Repeated action potentials from the motor neuron summate into a sustained depolarization of the motor end plate, causing a sustained contraction. E. The action potential in the muscle cell is prolonged to last as long as the contraction.
Signs of neurogenic shock include all of the following, EXCEPT:
A) bradycardia. B) flushed skin. C) diaphoresis. D) hypothermia
The basic steps of an enzyme-catalyzed reaction are
A. substrate and enzyme combine, forming an E-S complex. The reaction occurs, products are released, and the unchanged enzyme is released and recycled. B. substrate, enzyme, and product combine, forming an S-E-P complex. The reaction occurs, products are released, and the unchanged enzyme is released and recycled. C. substrate and product combine, forming an S-P complex. The reaction occurs, enzymes are released, and the unchanged substrate is released and recycled. D. enzyme and product combine, forming an E-P complex. The reaction reverses, enzymes are released, and the unchanged substrate is released and recycled.
Which region is medial?
A) right hypochondriac region B) epigastric region C) right lumbar region D) left lumbar region