The transport maximum is related to the property known as ________.
A. saturation
B. competition
C. specificity
D. inhibition
Answer: A
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Which of the following is NOT typically true about G proteins?
A. They can be inhibitory for second-messenger production. B. They can be stimulatory for second-messenger production. C. They act as second messengers. D. They can act as transducers for activated receptors by opening or closing ion channels.
The amount of air that is inhaled and exhaled during normal respiration is called _____________.
a. inspiratory reserve volume b. tidal volume c. respiratory rate d. total lung capacity e. vital capacity
Which is NOT true regarding autonomic reflexes?
A) Integrating centers for autonomic reflexes in the brain include the hypothalamus, brain stem, and limbic system. B) Autonomic reflexes are all monosynaptic, with their synapse in the central nervous system. C) Many autonomic reflexes are characterized by tonic activity, a continuous stream of action potentials. D) Vomiting, sneezing, and coughing are all examples of autonomic reflexes.
List the major changes that occur in maternal systems during pregnancy
A) decreased respiratory rate and tidal volume, decreased blood volume, increased GFR and nutrient requirements, increases in the size of the uterus and mammary glands B) increased immune function, increased heart rate and blood pressure, decreased nutrient requirements and decreased thermoregulation C) decreased immune function, decreased heart rate and blood pressure, decreased blood volume and GFR, and decreased respiratory rate and tidal volume D) increased respiratory rate and tidal volume, increased blood volume and GFR, increased nutrient requirements, and increases in the size of the uterus and mammary glands E) increased respiratory rate and tidal volume, decreased nutrient requirements, decreased blood volume and GFR, and decreased size of the uterus and mammary glands.