A young boy (10 years old) exhibited the following symptoms: advanced development of secondary sexual characteristics and rapid growth. Which of the following caused his condition?
A. hyposecretion of estrogen
B. hypersecretion of vitamin D
C. hypersecretion of testosterone
D. hypersecretion of growth hormone
E. hypersecretion of estrogen
C
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The lateral wall of the orbit is formed by the
A. maxillary and zygomatic bones. B. ethmoid and lacrimal bones. C. zygomatic and sphenoid bones. D. frontal bone.
The skin is also called the ________ membrane.
A) serous B) mucous C) synovial D) cutaneous E) peritoneal
Which disorder is characterized by tight foreskin that cannot be pulled back over the glans penis?
A. Phimosis B. Hypospadias C. Hydrocele D. Cryptorchidism
Motor commands are carried by __________ from the brain along the spinal cord.
A. both anterior and posterior roots B. ascending tracts C. spinal nerves D. cranial nerves E. descending tracts