The movement of molecules out of the digestive tract into circulation or the lymphatic system is
A. secretion.
B. peristalsis.
C. chemical digestion.
D. absorption.
D
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Metabolic rate is a measurement of the
A. total number of calories consumed per hour. B. amount of oxygen consumed per kilogram of body weight. C. energy used in a given period of time. D. heat given off by contracting muscles.
Which of the following is NOT involved in creating the resting potential of a neuron?
A) resting membrane permeability for potassium ions greater than sodium ions B) resting membrane permeability for sodium ions greater than potassium ions C) diffusion of potassium ions out of the cell D) diffusion of sodium ions into the cell
What physical signs would be expected in a person whose blood calcium was abnormally low?
What will be an ideal response?
The internal urethral sphincter is the ________ located at the ________ in males.
A. skeletal muscle; distal end of the urethra B. smooth muscle; junction of the urinary bladder and the urethra C. skeletal muscle; junction of the urinary bladder and the urethra D. smooth muscle; distal end of the urethra