BIOM 525 (BIOM 525 Quiz 1.docx)

BIOM 525: Quiz 3 Final Exam | Complete Solutions Graded A+ Arteries (Very large, thick walls) endo, elastic (pulse pressure), smooth m, fibrous Arterioles (very small) endo, smooth m (less than arteries, but more proportionally. subject to vasoconstriction) Capillaries just endothelium Venules endo, fibrous Veins endothelium, elastic, smooth m, fibrous All vessels have endothelium Pulmonary 9% Heart 7% Arteries 13%

BIOM 525 Lecture 6 Week 6 Complete Update With Verified Solutions Filtration removing substances from the blood plasma Filtration takes part at the glomerulus The glomerulus is a capillary bed (between afferent and efferent) To be filtered, substances must cross the filtration membrane Glomerular filtrate composition is about the same as plasma, except for large proteins The filtration membrane is composed of capillary endothelium Substances must fit through the _____ in order to enter ...

BIOM 525 Lecture 1-2: Skeletal And Smooth Muscle Complete Solutions Graded A+ Skeletal muscle striated/striped appearance, actin/myosin, Ca++ binds to troponin, stimulated by somatic motor neurons, CA++ comes from SR Smooth muscle smooth appearance, actin/myosin, CA++ binds to calmodulin, stimulated by autonomic neurons, hormones, or other chemicals, CA comes from extracellular fluid Fasicles, fibers, myofibril, parts of muscle Sarcomere functional unit Actin and Myosun cross-bridges my...

BIOM 525 Final Practice Exams | Questions And Answers With Verified Solutions Which of these statements about the neuromuscular junction is accurate? Binding of acetylcholine to the nicotinic receptor on the motor end-plate causes an influx of Na+ and efflux of K+ through the receptor Which of these is not an example of primary active transport of ions across cell membranes? The sodium-glucose co-transporter on intestinal cells GABA is an inhibitory neurotransmitter that causes the membra...

Question 1 1 out of 1 points A 45-year-old woman is brought to the emergency room complaining of a 3-day history of colicky epigastric pain that suddenly increased in severity after a meal. Tests reveal she has a gallstone blocking her sphincter of Oddi. Which of the following substances would be found at reduced levels in her circulation? Selected Answer: Correct Unconjugated bile acids Correct Answer: Correct Unconjugated bile acids Question 2 1 out of 1 points Which of these is a ...

uestion 1 1 out of 1 points Under which of these conditions are you most likely to observe a depression in plasma prolactin levels? Selected Answer: b. Increased stimulation of dopaminergic neurons of the hypothalamus Correct Answer: b. Increased stimulation of dopaminergic neurons of the hypothalamus  Question 2 1 out of 1 points The secretion of growth hormone by the somatotrophs of the anterior pituitary gland can be inhibited under the following conditions except; Selected ...

Question 1 1 out of 1 points The stimulatory effects of gastrin on acid secretion are mediated in part by gastrininduced secretion of which substance? Selected Answer: Histamin e Correct Answer: Histamin e  Question 2 1 out of 1 points The endocrine or hormone-secreting cells of the gastrointestinal tract are located in or closest to which layer of the gut wall? Selected Answer: Mucos a Correct Answer: Mucos a  Question 3 1 out of 1 points A 30-year-old woman visits he...

Question 1 1 out of 1 points To produce dilute urine, Selected Answer: the distal tubule absorbs less water. Correct Answer: the distal tubule absorbs less water.  Question 2 1 out of 1 points Prolonged vomiting of the stomach's contents can result in Selected Answer: metabolic alkalosis. Correct Answer: metabolic alkalosis.  Question 3 1 out of 1 points Due to the differences in opposing forces, there is net ___ occurring at the arteriolar end of most capillaries, co...

Question 1 1 out of 1 points Peripheral venous pressure can be altered by Selected Answer: Two of the answers are correct. Correct Answer: Two of the answers are correct.  Question 2 1 out of 1 points The central venous compartment is filled by _____ and emptied as _____. Selected Answer: venous return; cardiac output Correct Answer: venous return; cardiac output  Question 3 1 out of 1 points The steepest pressure gradient occurs as blood flows