Secretion of one hormone by the action of another hormone is control by _______ stimuli
A. hormonal
B. neural
C. humoral
D. visceral
A
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In the last step of blood coagulation,
a. fibrin is converted to fibrinogen b. fibrinogen is converted to fibrin c. platelet factor enters numerous reactions d. prothrombin is converted to thrombin e. thrombin is converted to prothrombin
Answer the following statement(s) true (T) or false (F)
1. The ossicles belong to the middle ear. 2. The vestibule contains organs of hearing and equilibrium. 3. The middle ear consists of a fluid-filled chamber. 4. The cornea belongs to the tunica fibrosa (fibrous layer) of the eyeball.
What would one consequence be if a man suffers an injury to his cremaster muscle?
A. Sterility B. An undescended testis C. A smooth scrotal sac D. Erectile dysfunction
In lifting a heavy weight from the floor, one should use the power of the ________ in order to avoid straining the lower back.
A. trapezius and latissimus dorsi B. knee and hip extensors C. gastrocnemius and soleus D. external and internal abdominal obliques E. biceps brachii and brachialis