Which muscle inserts on a tendon that extends toes 2-5?
A. Extensor digitorum longus
B. Fibularis longus
C. Extensor hallucis longus
D. Tibialis anterior
E. Gastrocnemius
Answer: A
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According to the Frank-Starling law of the heart,
a. the shorter the initial length of the cardiac muscle fibers prior to contraction the more forceful will be the subsequent contraction, because the fibers are already partially contracted. b. increasing the venous return increases the end-diastolic volume, which leads to an increased stroke volume, so the heart normally pumps out all of the blood returned to it. c. as cardiac output is reduced, blood pools in the vasculature so that arterial blood pressure increases. d. the output of the left side of the heart must always exceed that of the right side of the heart because the right side only pumps blood to the lungs, whereas the left side must pump blood to the rest of the body. e. the greater the stroke volume, the smaller will be the subsequent end-diastolic volume because as more blood is squeezed out, the heart cannot fill as completely.
What is the correct order of the branches off the aortic arch from right to left?
A. Brachiocephalic trunk, right common carotid artery, left common carotid artery B. Brachiocephalic trunk, left subclavian artery, left common carotid artery C. Brachiocephalic trunk, right common carotid artery, left subclavian artery D. Right subclavian artery, brachiocephalic trunk, left common carotid artery E. Brachiocephalic trunk, left common carotid artery, left subclavian artery
The kidneys, ureters, adrenal glands, aorta, and inferior vena cava are all ________
A) within the pelvic cavity B) located within the peritoneal cavity C) located within the thoracic cavity D) retroperitoneal E) inside the visceral peritoneum
Which of the following veins is a superficial vein?
A. Ulnar vein B. Brachial vein C. Radial vein D. Basilic vein E. Subclavian vein