Asthma is a respiratory disorder characterized by construction of airways and mucus production which makes it very difficult to breathe. The constriction of airways, mucus production and altered gene expression in the cells lining the airways of asthmatics is due to increased release of neurotransmitter acetylcholine. Explain how a single molecule can have such a large and diverse effect in a
single cell.
What will be an ideal response?
Quantitative chemical analysis would determine osmolarity. To determine tonicity, drop the cells into various solutions and observe the cells' response under the microscope.
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Which curves of the vertebral column are present at birth?
A. Thoracic and sacral B. Lumbar and cervical C. Lumbar and sacral D. Cervical and thoracic E. Lumbar and thoracic
Which ligament is responsible for holding the head of the radius in place?
A. Anular ligament B. Deltoid ligament C. Ulnar collateral ligament D. Transverse humeral ligament E. Radial collateral ligament
The diencephalon controls hormone levels
Indicate whether the statement is true or false.
Diabetes mellitus results in
A) urine with high osmotic pressure. B) low blood sugar. C) protein in the urine. D) reduced urinary output.