Which of the following statements is FALSE?
A) Transitional epithelium has cells that change shape when the tissue is stretched.
B) Transitional epithelium is found in the lining of the urinary bladder, the ureters and the superior urethra.
C) Transitional epithelium is psuedostratified.
D) As transitional epithelium is stretched, the number of cell layers decreases.
E) Transitional epithelium is found in cavities that can expand greatly in volume.
Ans: D) As transitional epithelium is stretched, the number of cell layers decreases.
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Which of the following correctly describes mechanisms of CO2 transport?
A) 7-10% of CO2 is dissolved directly into the plasma B) 20% of CO2 is carried in the form of carbaminohemoglobin C) as bicarbonate ion in plasma D) attached to the heme part of hemoglobin
Which of the following is NOT a factor that affects the metabolic rate and the rate of heat production?
a) Hormones b) Nervous system c) Food ingestion d) Age e) All of these are factors
Which of the following statements regarding a closed head injury is correct?
A) In a closed head injury, the dura mater remains intact. B) Diffuse brain injury occurs with all open head injuries. C) Closed head injuries are less common than open head injuries. D) Intracranial pressure is usually minimal in a closed head injury.
The esophagus
A. has thin walls of connective tissue. B. produces two enzymes that digest proteins. C. has upper and lower sphincters to regulate movement of food. D. has cartilage in its walls to keep it from collapsing. E. extends from the fauces to the stomach.