Metabolically active tissues have which of the following sets of conditions that shift the oxyhemoglobin dissociation curve to the right?
A. ? PO2, ? PCO2, ? temperature, ? BPG
B. ? PO2, ? PCO2, ? temperature, ? BPG
C. ? PO2, ? PCO2, ? temperature, ? BPG
D. ? PO2, ? PCO2, ? temperature, ? BPG
Answer: A
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The enzyme catalase neutralizes hydrogen peroxide produced in hair follicles.
Answer the following statement true (T) or false (F)
The deltoid muscle attaches to what process?
A) radial groove B) deltoid fossa C) intertubercular groove D) deltoid tuberosity E) greater tubercle
A muscle that inserts on the radial tuberosity or the ulnar tuberosity is most likely involved in
A) elbow extension. B) elbow flexion. C) elbow abduction. D) pronation. E) protraction.
Consider the equation F = ?P/R. It describes the flow (F) of fluid in a tube in which there is a pressure difference (?P) between the two ends and a resistance (R) to flow. Based on this equation, which is a correct conclusion?
A. The flow of fluid in a tube depends upon the absolute pressure at the beginning of the tube. B. The rate of fluid flow in a tube will increase if the pressure at the beginning is increased while the pressure at the end of the tube stays the same. C. The greater the resistance to flow in a tube, the greater the rate of flow for any given pressure difference. D. If both the resistance and the pressure gradient in a tube increase, the flow must also increase. E. The rate of flow in a tube will decrease if the resistance to flow is decreased.