The ability of CO2 to alter the affinity of hemoglobin for O2, which enhances O2 delivery to tissues and O2 uptake in the lungs, is referred to as:
A. chloride shift
B. Haldane effect
C. Bohr effect
D. Hamburger phenomenon
E. Graham's effect
ANS: C
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Which embryonic structure gives rise to the urinary bladder?
A. Anal canal B. Mesonephric duct C. Pronephros D. Metanephros E. Urogenital sinus
The tubular fluid is ____ as it enters Bowman's capsule, ____ at the beginning of the loop of Henle, ____ at the tip of the loop, and ____ as it leaves the loop to enter the distal tubule
a. isotonic, hypertonic, hypertonic, isotonic b. isotonic, isotonic, hypotonic, hypotonic c. isotonic, isotonic, hypertonic, hypotonic d. hypertonic, hypotonic, hypertonic, isotonic e. none of these answers.
Systemic effects of severe inflammation include...
A) local erythema and warmth. B) loss of movement at the affected joint. C) fatigue, anorexia, and mild fever. D) abscess formation.
The reticular formation is a web of ________ scattered throughout the ________
A) gray matter; brainstem B) neurosomas; hypothalamus C) nerves; white matter in the cerebrum D) white matter; cerebellum E) gray matter; cerebrum