Label component "D" of the reflex arc.
A. Motor neuron
B. Sensory receptor
C. Sensory neuron
D. Effector organ
E. Interneuron
Answer: B
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Which of the following is NOT a G-protein complex protein?
A. delta B. gamma C. alpha D. beta E. None of these choices are correct.
Stimulation of the heart via the sympathetic nerves would
A. decrease heart rate. B. decrease stroke volume. C. increase the force of ventricular contraction. D. increase end-systolic volume. E. not affect heart rate and force of contraction.
Describe the mechanism of action of thyroid hormones
A. These hormones interact with membrane signaling proteins. B. Thyroid hormones bind to molecules of the cytoskeleton in the cell cytoplasm. C. Thyroid hormones bind to epithelial cell membranes that line the intestine. D. These hormones bind to molecules of the cytoskeleton in the cell cytoplasm.
Suzanne is really into yoga. She has a goal of spending an entire day in an inverted (upside down) position. To do this, she'll need to eat in the inverted position. Unfortunately, because food moves from the pharynx to the stomach by gravity alone, she will find it impossible to eat while inverted.
Answer the following statement true (T) or false (F)