In the figure of a sagittal section of a fingernail shown, where is the eponychium (cuticle)?
a) A
b) B
c) E
d) F
e) G
Answer: b
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What is a pyelogram?
A) An x-ray image of the urinary system taken after a radiopaque dye was administered. B) An ultrasound of the kidneys to detect solid masses such as renal calculi. C) A study of the components of urine. D) A graph of the 24 hour glomerular filtration rate. E) A laparoscopic evaluation of the inside of the bladder and ureters.
The hormone that stimulates ovulation is
A) luteinizing hormone. B) FSH. C) growth hormone. D) progesterone. E) testosterone.
The autorhythmicity of cardiac pacemaker cells is made possible by the reduced permeability of _______.
A) sodium B) magnesium C) calcium D) potassium
Which of the following sutures connects the two parietal bones of the skull?
A) lambdoid B) coronal C) sagittal D) squamous