Which is the longest muscle of the body?
A. Brachioradialis
B. Gracilis
C. Quadriceps femoris
D. Sartorius
E. Biceps brachii
Answer: D
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Which of the following describes the operation of the heart and blood vessels?
A) systemic anatomy B) cardiovascular anatomy C) cardiovascular physiology D) systemic physiology
How would a decrease in the number of megakaryocytes affect blood composition?
A. A decrease in megakaryocytes would decrease the number of platelets in the blood. B. A decrease in the number of megakaryocytes would decrease the number of leukocytes in the blood. C. A decrease in the number of megakaryocytes would decrease the number of immunoglobulins in the blood. D. A decrease in the number of megakaryocytes would decrease the number of fibrinogens in the blood.
What is the minimum voltage needed to generate muscle contraction?
A) stimulus voltage B) contraction voltage C) recruitment voltage D) threshold voltage
Molecules that form when electrons are shared unequally between atoms are called ________ molecules.
A. salt B. nonpolar C. polar D. lopsided E. None of the choices are correct.