What general process is utilized by cells for the intake of liquid and food when the substance is too large to diffuse across the cell membrane?
A. Pinocytosis
B. Endocytosis
C. Exocytosis
D. Phagocytosis
Answer: B
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Anti-angiogenic drugs are being used to decrease tumor growth. These drugs work by decreasing
A) cell division. B) cell communication. C) new blood vessel formation. D) focal calcification. E) vascular flow.
The interosseous membrane between the radius and the ulna is an example of a
A. synchondrosis. B. suture. C. synostosis. D. synarthrosis. E. syndesmosis.
The ossicular system of the ear
a. keeps the pressure on the two sides of the tympanic membrane equal b. increases the pressure of vibration as it transfers the sound wave from air in the outer ear to fluid in the inner ear c. assists in determining whether a sound comes from the front or rear d. is part of the vestibular apparatus e. is in direct contact with the tympanic membrane and the round window
Which chemical factors in blood or cerebrospinal fluid stimulate the respiratory centers?
A) Ca2+, Na+, and K+ concentrations B) Cl-, Na+, and K+ concentrations C) pH, PO2, and PCO2 concentrations D) PO2, glucose, and lactate concentrations E) hematocrit, glucose, PO2, and PCO2 concentrations