A student is examining a microscope slide showing a cross section of the small intestine. She identifies some muscle tissue. What type is she looking at?
A. Skeletal
B. Cardiac
C. Smooth
Answer: C
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The volume of air flowing into the alveoli during inhalation/inspiration is increased when there is an increase in which of these?
A. The pressure in the intrapleural space B. The curvature of the diaphragm C. The pressure gradient from the atmosphere to the alveoli D. The volume of air in the intrapleural space E. Airway resistance
In the classification of joints, which of the following is true?
A) Immovable joints are called amphiarthroses. B) All synovial joints are freely movable. C) Synarthrotic joints are slightly movable. D) In cartilaginous joints, a joint cavity is present.
Which of the following cells is involved in cell mediated immunity?
a. T8-cell b. Pre-T cells c. B-Cells d. Plasma cells
Parathyroid hormone increases the activity of ___________ cells in bone and increases the rate of calcium ___________ in the kidney tubules
A. osteoclast; reabsorption B. osteoblast; reabsorption C. osteocyte; reabsorption D. osteocyte; secretion E. osteoblast; secretion