How many named bones are found in the adult human skeleton
A) 200
B) 206
C) 212
D) 227
E) 250
Answer: B) 206
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What structure supports the axon from within?
A. Dendrites. B. Nodes of Ranvier. C. Collaterals. D. Neurofibrils.
Basically, what occurs in the countercurrent multiplier process?
A) Sodium is pumped into the blood while potassium is actively transported out of the blood back into the tissues. B) A higher sodium concentration is produced in the renal medulla that osmotically draws out water, reducing it within the tubules and the urine. C) Glucose and sodium are cotransported from urine back into blood. D) Creatinine is actively transported out of the blood into urine. E) Uric acid is excreted into the kidney tubules while urea is reabsorbed in the nephron loop.
The ability of lymphocytes to recognize an antigen is called
A) activation. B) presentation. C) immunocompetence. D) immunopotential. E) None of the answers are correct.
Which of the following muscles attaches to the intertubercular sulcus of the humerus?
A. Coracobrachialis B. Deltoid C. Pectoralis major D. Pectoralis minor E. Serratus anterior