Radioisotopes are unstable because they contain an excess number of _________
Fill in the blank(s) with the appropriate word(s)
Answer: Neutrons
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Sympathetic stimulation of the heart
a. increases the heart rate. b. increases the contractile strength of the heart muscle. c. shifts the Frank-Starling curve to the left. d. two of these answers. e. all of these answers.
Which of the following cell types of the stomach is correctly matched with its function?
A. Chief cells - produce hormones B. Chief cells - produce mucus C. Endocrine cells - produce enzymes D. Parietal cells - produce hydrochloric acid E. Mucous cells - produce intrinsic factor
The medial pole of the ovary is attached to the uterus by which ligament?
A. Ovarian ligament B. Suspensory ligament C. Broad ligament D. Mesovarium
The enzyme lactase:
A. is involved directly in the digestion of proteins. B. is necessary for the breakdown of milk fats. C. is embedded in the luminal plasma membranes of intestinal epithelial cells. D. promotes the formation of and storage of bile by the gallbladder. E. is overproduced and released by secretory cells in the small intestine in the condition known as lactose intolerance.