What are the major components of the axial skeleton?
A) arms, legs, hands, and feet
B) the skull, vertebral column, and pelvis
C) the skull, vertebral column, and thoracic cage
D) the shoulder and pelvis
C
Explanation:
A) The arms, legs, hands, and feet are part of the appendicular skeleton.
B) The pelvis is not part of the axial skeleton.
D) The shoulder and pelvis are part of the appendicular skeleton.
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Which of the following is incorrect pertaining to the bladder?
A) A cystocele may result from injuries associated with parturition. B) Withdrawal of urine from the bladder requires the needle to enter the peritoneal cavity. C) Rupture of the superior part of the bladder is usually associated with extravasation (passage) of urine into the peritoneal cavity. D) The interior of the bladder may be viewed with a cystoscope. E) A complete spinal cord transaction superior to the second sacral segment would eliminate voluntary control of micturition.
Which of the choices below is a function of the loop of Henle?
A) form a large volume of very concentrated urine or a small volume of very dilute urine B) form a large volume of very dilute urine or a small volume of very concentrated urine C) absorb electrolytes actively with an automatic absorption of water by osmosis D) none of these
Hydrochloric acid is necessary in the stomach for the conversion of pepsinogen into its active protein-digesting form called ________
A) pepsin B) rennin C) amylase D) peptidase
The sebaceous glands of the skin secrete sebum, which:
A. keeps the skin soft and prevents cracking. B. kills microorganisms on the skin surface. C. allows the body to cool itself through sweating. D. contracts the muscles that pull hair into an erect position.