Answer the following statements true (T) or false (F)
1. Atrial natriuretic peptide reduces blood pressure and blood volume by inhibiting nearly all events that promote vasodilation and potassium and water retention.
2. Premenstrual edema may be due to enhanced reabsorption of sodium chloride.
3. Heavy consumption of salt substitutes high in potassium can present a serious clinical problem when aldosterone release is not normal.
4. Hypercalcemia causes muscle tetany
5. The two hormones responsible for the regulation of calcium are pituitary hormone and calcitonin.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to
A) receptor specificity. B) accessory cells. C) the fact that they are interoceptors. D) receptor potentials. E) both accessory cells and the fact that they are interoceptors.
When a neuron is activated by a threshold stimulation, ________ channels open, which allows these ions to quickly ________.
A. potassium ion; diffuse into the neuron B. potassium ion; diffuse out of the neuron C. sodium ion; diffuse into the neuron D. sodium ion; diffuse out of the neuron
Going up in levels from the individual atom to the entire organism, which body components are listed in ascending order?
A. Molecules, tissues, organelles B. Tissues, cells, organs C. Cells, molecules, organs D. Organelles, cells, tissues
The air pressure inside the alveoli is referred to as the intrapleural pressure.
Answer the following statement true (T) or false (F)