The partial pressure of carbon dioxide is greatest in
A) venous blood.
B) alveolar air.
C) expired air.
D) inspired air.
E) arterial blood.
A
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Which of the following graded potentials will be most likely to generate an action potential?
A) A subthreshold potential B) A suprathreshold potential C) A hyperpolarizing potential D) An inhibitory potential
Which of the following organs can store glycogen?
A. Liver and muscles B. Large and small intestines C. Stomach and pancreas D. Kidney and adrenal gland E. Spleen and pancreas
Which formed element is the most abundant in blood?
A) erythrocyte B) eosinophil C) platelet D) basophil E) lymphocyte
When someone is given epidural anesthesia near their spinal cord, the drug is delivered in the space between
A. the central canal and the dura mater. B. the dura mater and the arachnoid mater. C. the dura mater and a vertebra. D. the epithelium of the dura and the pia mater. E. a vertebra and its periosteum.