Which are examples of physiology? Choose all that apply.
A. Trying to determine the processes that cause eczema
B. Determining how quickly an experimental drug is cleared from the blood
C. Examining a tissue sample under a microscope to determine if cancer cells are present
D. Performing an electrocardiogram, which is a recording of electrical activity in the heart
Answer: D
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The ________ carry blood toward the lungs.
A. aorta and pulmonary arteries B. superior and inferior venae cavae C. pulmonary arteries and veins D. pulmonary trunk and veins E. pulmonary trunk and arteries
The esophagus:
A) contains cartilaginous rings. B) enters the superior mediastinum anterior to the trachea. C) in the superior mediastinum is in contact with the thoracic duct on its left. D) inclines to the right as it nears the diaphragm. E) traverses the diaphragm at the T8 level.
Which of the following enhances urinary K+ excretion?
A. an osmotic diuresis B. acute metabolic acidosis C. hypoaldosteronism D. decreased tubular flow rate E. a water diuresis
The cuticle around a nail is the
A) eponychium. B) hyponychium. C) free edge. D) perinychium. E) lunula.