What is a Tomfool knot and what is it used for?
What will be an ideal response?
A Tomfool knot is most often used for hobbling or tying an animal's feet together.
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The most important skeletal muscles involved in making normal, relaxed, respiratory movements include (the)
A) serratus anterior and levator scapulae. B) diaphragm and external and internal intercostal muscles. C) rectus abdominis, external and internal oblique, and the transversus abdominis. D) intrinsic back muscles and the scalenus anterior and medius. E) All of the answers are correct.
Where does the thoracic duct begin?
A) At the lumbar trunks B) At the subclavian vein C) At the cisterna chyli D) At the cervical lymph nodes
What causes closure of the foramen ovale at birth?
A. A rise in fetal oxygen levels, which triggers growth of the epithelial lining B. Rapid myocardial tissue growth stimulated by pregnancy hormones C. Higher pressure in the left atrium, which causes interatrial septum flaps to close D. Migration of connective tissue from the right atrioventricular valve E. An increase in endothelial mucous production, which forms a plug
Alkalosis occurs if the pH of the blood is greater than what?
A. 7.35 B. 6.35 C. 8.35 D. 7.45