How does the integumentary system contribute to osteoporosis?
A. Lack of exposure to sunlight increases calcitonin secretion leading to reduced calcium storage in the bones.
B. Decreased estrogen levels following menopause contribute to the disease.
C. Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
D. Estrogen produced in the dermis reduces calcium excretion in the kidneys.
E. Calcium ions released from the bones are excreted through sweat.
Answer: C
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If an individual was lacking a key amino acid and so couldn't make and release substance P, what would happen?
A. There would be a surge in activity in neurons that synthesize opiate neurotransmitters. B. There would be increasing sensation of pain generated by the brain, with or without any damage to structures in the periphery. C. They would experience a lack of sensation in some pain pathways. D. There would be an increase in activity in neurons that detect painful stimuli in internal organs. E. Synaptic activity in afferent neurons associated with pain receptors can be inhibited by axon-axon synapses with neurons from descending pathways.
Epinephrine is also known as adrenaline.
Answer the following statement true (T) or false (F)
The amount of air that can be forcibly inhaled after a normal inspiration is the
A. inspiratory reserve volume. B. inspiratory capacity. C. residual volume. D. functional residual capacity.
What is the function of the saccule and utricle?
A. To perceive sound B. To detect change in the rate of rotation C. To perceive static equilibrium D. To detect angular acceleration E. To detect low-frequency vibrations