Each coxal bone consists of which three fused bones?
A) ulna, radius, and humerus
B) ilium, ischium, and pubis
C) femur, tibia, and fibula
D) hamate, capitate, and trapezium
E) femur, patella, and tibia
Answer: B
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Lymph nodes may be found individually, or clustered in specific regions of the body. Which cluster of lymph nodes receives lymph from the head and neck?
A. Abdominal lymph nodes B. Thoracic lymph nodes C. Axillary lymph nodes D. Inguinal lymph nodes E. Cervical lymph nodes
Decreased levels of bile salts in the bile would interfere with digestion of
A) vitamins and minerals. B) carbohydrates. C) protein. D) fat. E) nucleic acids.
The sympathetic nervous system
a. is always excitatory for smooth muscle b. innervates only tissues concerned with protecting the body against challenges from the outside environment c. dominates in rest-and-digest situations d. contains cholinergic and adrenergic fibers e. stimulates only effectors that are dually innervated
In the thick segment of the ascending limb of the nephron loop, K+ reenters the cell from the interstitial fluid via the ________. K+ is then secreted into the tubular fluid
A) Na+-K+ pump B) countercurrent exchange C) vasa recta D) countercurrent multiplier E) juxtaglomerular apparatus