A physical fitness trainer for a young Hollywood movie star explains the reasons for 100 stomach crunches a day. The young star, a medical student before "hitting it big," reaffirms to his trainer that the lateral mar- gin of the rectus abdominis, the muscle responsible for a washboard stomach, defines which of the following structures?
(A) Linea alba
(B) Linea semilunaris
(C) Linea semicircularis
(D) Transversalis fascia
(E) Falx inguinalis
Ans: (B) Linea semilunaris
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a. true b. false
What would be the consequence of treating cancer with a drug that disrupts formation of the mitotic spindle?
A) The cytoplasm would not be equally divided. B) The duplicated sister chromatids would not separate during anaphase. C) The nuclear envelope would not be broken down to allow the genetic material to escape the nucleus. D) The chromosomes would not be duplicated.
The HIV virus infects
A. B cells. B. cytotoxic T cells. C. suppressor T cells. D. helper T cells. E. monocytes.
The kidney functions in
A. preventing blood loss. B. white blood cell production. C. synthesis of vitamin E. D. excretion of metabolic wastes. E. production of the hormone aldosterone.