45. The glenoid fossa is where the A. clavicle articulates with the scapula. B.
ID: 271750 • Letter: 4
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45. The glenoid fossa is where the A. clavicle articulates with the scapula. B. clavicle articulates with the sternum. C. humerus articulates with the clavicle. D. humerus articulates with the scapula E. radius articulates with humerus 46. Which of the following is consistent with homeostasis? A. As body temperature rises, sweating occurs to cool the body B. When a person drinks C. Elevated blood glucose levels cause insulin secretion to decline. D. Decreases in blood pressure cause a corresponding decrease in heart rate. E. As blood pressure falls, blood flow to the heart decreases. large quantities of water, urine output decreases to raise blood volume. 47. What type of membranes do not open to the exterior, do not contain glands, but do secrete fluid? A. serous B. mucous C. synovial D. gobletal E. cutaneous 48. Which of the following would increase the rate of mediated transport? A. increase the number of available carrier molecules B. change the shape of the binding site on the carrier molecule C. increase the number of competitive molecules D. fill all binding sites on carrier molecules E. remove the binding site on the carrier molecule 49. A neutral atom will become a cation ifit A. gains electrons B. gains protons. C. loses electrons. D. loses protons. E. gains neutrons.Explanation / Answer
45)d is tthe place where humerus articulate s with the scapula.
The shoulder joinjoint or glenohumeral joint is present here the head of humerus articulates with glenoid cavity of scapula.
46)a as body temperature rises,sweating occurs to cool the body.
when body temperature exceeds 37 deg cel sensory nerve ending s send temperature regulatory impulse to brain which in turn causes sweating.
Homeostasis is maintaining of body physilophysio equilibrium.
47) c synovial membrane
It is a connective tissue that lines the inner surface of capsules of synovial joint.it produces synovia fluid which lubricates and help in movement .
48)a increase in number of available carrier molecules.
This type of transport require a carrier which helps to transport across cell membrane it may be active transport or passive transport.here the protein acts as a carrier molecule.
Binding of molecule towards the site promote conformational change in protein carriers resulting in transport of molecules across membrane.
49)c when it looses electron
an atom becoms cation when it looses an electron from its outer shell.
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