Contraction of the diaphragm assists in
A. flexion at the waist.
B. expiration.
C. inspiration.
D. extension at the waist.
E. All of the choices are correct.
Answer: C
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The four prominent muscles on the anterior thigh comprise the ________ muscle group
A) quadriceps femoris B) hamstring C) gluteal D) rhomboid E) adductor
The point at which the rate of an enzymatic reaction will no longer increase with an increase in the amount of substrate is referred to as the _____ point
Fill in the blank(s) with the appropriate word(s).
The statement "It initiates contraction of urinary bladder smooth muscle" is
A) true only for the parasympathetic nervous system. B) true only for the sympathetic nervous system. C) true for both the parasympathetic and sympathetic nervous systems. D) not true for either the parasympathetic or sympathetic nervous systems. E) true only for the somatic nervous system.
Which of the following is not true regarding sickle-cell disease?
A. It is a cause of anemia. B. It is advantageous in that it can protect carriers against malaria. C. It is caused by a recessive allele that modifies the structure of hemoglobin. D. It is a cause of malaria. E. It is due to a hereditary hemoglobin defect.