Blood leaving the aorta enters which of the following vessels leading to the left forearm?
A) Left subclavian artery
B) Descending aorta
C) Left common carotid artery
D) Right subclavian artery
Answer: A
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The muscle that can both extend and adduct the arm is (the)
A) subscapularis. B) latissimus dorsi. C) teres major. D) pectoralis major. E) None of the answers are correct.
The ECG is an actual recording of cardiac electrical activity
Indicate whether the statement is true or false
Select the correct statement about the summation of simple twitches
a. They can occur from the long duration of the action potential in a muscle fiber. b. They reduce the tension in a muscle. c. They result from the slow stimulation of a muscle fiber. d. The effect is unrelated to the refractory periods of action potentials. e. The twitches from action potentials add together.
The type of epithelium that lines the urinary bladder and may include some binucleated cells is called ________ epithelium.
A. stratified squamous keratinized B. simple squamous C. pseudostratified D. transitional E. stratified squamous nonkeratinized