What part of the brain sets the basic respiratory rhythm?
A. Limbic system
B. Pons
C. Hypothalamus
D. Medulla oblongata
E. Cerebral cortex
Answer: D
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To calculate GFR, the concentration of a marker molecule is measured in both the blood and the urine, and the total volume of urine produced is also measured. Which of the following sets of results indicates the highest GFR?
A. High concentration of the marker in the blood, high volume of urine, low concentration of the marker in the urine B. High concentration of the marker in the blood, low volume of urine, high concentration of the marker in the blood C. High concentration of the marker in the urine, high volume of urine, low concentration of the marker in the blood D. High concentration of the marker in the urine, low volume of urine, high concentration of the marker in the blood
All of the following statements about electrolytes are true except ______.
A. they conduct an electrical current B. they include acids, bases, and salts C. they possess a greater osmotic power than nonelectrolytes D. they form mainly covalent bonds
Name the bone or bones of the forearm
A) tibia and fibula B) humerus C) femur D) radius and ulna
The nuclei of cranial nerves III, IV, and V are located in the
A. pons. B. medulla. C. midbrain. D. diencephalon. E. cerebellum.