Which of the following arteries branches directly from the aortic arch?
A. Pulmonary artery
B. Brachiocephalic artery
C. Coronary artery
D. Right common carotid artery
E. Right subclavian artery
Answer: B
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The amount of air that can be forcibly taken in after normally inhaling is called ________
A) Residual volume B) Expiratory reserve volume C) Inspiratory reserve volume D) Tidal volume
Blood chemistry changes are examples of ______ stimuli, whereas sympathetic nervous system impulses are examples of _______ stimuli for hormone release
A. neural; humoral B. positive; negative C. Negative; positive D. humoral; neural
Structure E is the
A) ligament.
B) sarcolemma.
C) sarcoplasmic reticulum.
D) epimysium.
E) endomysium.
Contraction of the cremaster muscle:
A) moves sperm through the ductus deferens. B) propels sperm through the urethra. C) wrinkles the scrotal skin. D) pulls the testes closer to the body.