G.I Tract Questions and Answers

M Histology Digestive System Lab PAL Histology Digestive System Lab Practical Question 22 Identify the highlighted structure

Histology Digestive sys PAL Histology Digestive System Lab Practical Question 19 al Identify the highlighted structure

Which duct connects dire View Available Hint s

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Lamina propria Mucous neck cells Parietal cells Luminal surface Muscularis mucosae Chief cells MA Pearson

Greater curvature Lesser omentum Lesser curvature Greater omentum Rugae Fundus Cardia Pylorus Body Esophagus Pearson Diaphragm

Dr Lorraine suspects a peptic ulcer This is an inflammatory lesion in the stomach or duodenal mucosa Create a table and compare similarities and contrast differences the histology of the stomach and the duodenum How does the histological structure affect the function

It s Friday morning and Sal Volpe is sitting in Dr Lorraine s exam room dozing after another night of disrupted sleep When the doctor knocks and walks in she finds the 66 year old man looking exhausted and uncomfortable Sal gets to the reason for his visit immediately He s been suffering from stomach aches dyspepsia that wake him at night and nag him in between meals during the day He describes his pain as gnawing burning maybe a 4 out of 10 on a pain scale and points to the epigastric region of his abdomen When he eats he tells Dr Lorraine the pain goes away but then he feels bloated and a little nauseated The pain usually returns 2 4 hours later depending on what he eats Sal explains that he has had some pain relief from the over the counter drug Pepcid famotadine

Both chemical and mechanical digestion start in the mouth and continue in the stomach True or False True False

Part A Which portion of the fibula articulates with the talus O head O medial malleolus O calcaneus O lateral malleolus

Sam is a 54 year old man whose wife died recently Within the same year he was diagnosed with chronic obstructive pulmonary disease Six months following he was dismissed from work as a construction worker because he could keep up with demands of the job He had to sell his house and move to a different city Sam became socially isolated and lost his appetite If Sam were to take the Social Readjustment Rating Scale the score might indicate that he is at risk for developing O mental health problems O panic disorder O a personality disorder job burnout

Jesse is diagnosed with obsessive compulsive disorder He acknowledges that he pulls his hair when he feels anxiety He sees his broken hairs when he looks in the mirror His psychologist who prefers habit reversal therapy has asked him to sta counting numbers from 100 in the reverse order whenever he felt an intense urge to act on the impulse to pull out his hair Which of the following comorbid disorders is being treated in this instance O body dysmorphic disorder O low self esteem trichotillomania O generalized anxiety disorder

Why would requiring more than a simple majority in order to pass a aw be considered a weakness under the Articles of Confederation

Drag the appropriate labels to their respective targets Dens Transverse process Body Pedicle Superior articular facet Spinous process 1

Excitatory neurotransmitters encourage the generation of new electrical impulses by which one of the following O stimulating depolarization of presynaptic neurons O inhibiting postsynaptic neurons from repolarizing inhibiting presynaptic neurons from depolarizing stimulating depolarization of postsynaptic neurons stimulating saltatory conduction

6 Explain how the earth s atmospheric greenhouse effect works 7 Give four examples of greenhouse gases that exist in the atmosphere

F Effectors Targets 1 Which type of muscle tissue is in the heart Hint What types 3 muscle tissue types Muscle tissue in the heart There are two types of myocardial cells in the heart o autorhythmic o contractile Autorhythmic cells set the heart rate without any control fro However sympathetic and parasympathetic neurons Effe chemical signals neurotransmitters that bind to receptor p autorhythmic cells Effectors Targets to increase or decre Response G Response 1 Predict the responses by typing if the responses increase 1 Response Sympathetic Parasy

Which of the following best describes how sperm cells are formed in plants meiosis occurs in pollen grains O meiosis occurs in anthers O mitosis occurs in the micropyle O mitosis occurs in male gametophyte Question 4 Which of the following occurs during the alternation of generations in plants fertilization produces spores O fertilization produces gametes

Part D Where is areolar connective tissue found in the body Select all that apply View Available Hint s O Underlying the epithelium of the esophagus Underlying the epithelium of the trachea O Deep regions of the dermis Capping the ends of bone O Underlying the epidermis

Tobacco s Short Term and Long Term Effects In the following statements write whether the effect is a short term or long term effect of using tobacco Fill in the blanks with terms from your textbook to complete the statements Short Long Long 1 Tobacco use causes chemical changes to the 2 Smoking is the leading cause of lung 4 Smoking causes a dry hacking a symptom of 3 Tobacco stains the teeth and gums and increases the risk of gu Disease 6 Smoking dulls the 7 Smoking increases Brain allergies and bronchitis 8 Smoking increases the user s 5 Smoking is a leading cause of cardiovascular disease a disease o and 9 Smoking causes car whic such as asthma of the bladder and blood

Left external iliac Lateral sacral Right internal iliac Right external iliac Internal pudendal Obturator Left internal iliac Abdominal aorta Superior gluteal Right common iliac Pelvis and right lower limb Pelvic muscles skin urinary and reproductive organs perineum gluteal region and medial thigh Hip muscles and joint H Ilium hip and thigh muscles hip joint and femoral head Left common iliac Pelvis and left lower limb Lateral rotators of hip rectum anus perineal muscles external genitalia Skip

8 4 points The enteric plexus O contains sympathetic neurons and fibers controls movement and secretion of the digestive tract consists of the myenteric plexus and the celiac plexus O is found in the mucosa

What sphincter is the yellow arrow passing through on the image Chemical digestion of which type of macromolecule begins in the organ shown below How does the muscularis layer of the wall of the organ below differ from other organs in the c tract be specific compare the muscularis of this organ to other GI tract organs

All of the following are functions of the large intestine EXCEPT O absorption of major nutrients O absorption of water O absorption of electrolytes ions O elimination of solid waste O production of vitamins by resident bacteria

During a medical mission, you are providing health care to individuals living in crowded, unsanitary conditions after a natural disaster. Patients report persistent fever, nausea and vomiting and you note jaundice during your physical examination. Based on the information available, you should suspect Hepatitis A Portal hypertension Cirrhosis Hepatitis B

In the cephalic phase of digestion, the sight of food stimulates secretions in all sections of the digestive tract except ____________ . The large intestine The mouth The small intestine The stomach

The enzyme that begins protein digestion by converting large proteins into smaller polypeptides is: a) Pepsin b) Pepsinogen c) Trypsin d) Erepsin e) Enterokinase

Amylase and starch are mixed and placed at 0°C. After the IKI test, the solution turns black. A Benedict's test yields a negative result. Was starch digested? How do you know? No, the Benedict's test revealed no sugars in solution. Yes, the starch test indicated that no starch remained, and the Benedict's test revealed the presence of sugars in solution. Some was digested; the starch test showed some starch and the Benedict's test showed some sugars.

Which of the following statements about chemical digestion is false? A. Pancreatic enzymes are produced by and stored in acinar cells. B. Segmentation causes food to be mixed with digestive substances, such as enzymes. C. Protein digestion starts in the stomach with pepsin. D. Carboxylases perform chemical digestion of proteins. E. Lipases perform chemical digestion of fats.

Sierra experiences a nightmare where she is frightened and wakes up. She then begins to relax and falls back to sleep. What would occur in her gastrointestinal tract as she relaxes? Sphincters in the digestive system would constrict Noradrenaline would be produced from postganglionic neurons Gut movement would be inhibited Secretions in the small intestine would be increased

_______________emulsify fats into smaller particles. Maltase Bile salts Sucrase Lactase

The ___________ of the small intestine is/are similar to the ______ of the stomach. pyloric sphincter; ileocecal valve goblet cells; parietal cells. villi; pyloric glands intestinal crypts (Lieberkuhn); gastric pits rugae; Peyer patches

Chemical digestion breaks down ________into_____ . proteins; nucleotides nucleic acids; nucleotides fatty acids; cholesterol polysaccharides; amino acids amino acids; proteins

An organ that helps break down food but is not part of the tube through which the foods pass is referred to as a(n): organ of mastication. chemically digesting organ. alimentary canal organ. accessory digestive organ.

Diana has anorexia nervosa, restricting type. Which of the following behaviors would you expect her to have? -Self-induced vomiting -Cutting up her food into little pieces when she eats -Normal menstrual periods -Occasional bouts of overeating

Which is an example of a circumstance in which a person would be significantly overweight but still be in good health? A. The weight was the result of a medication effectively managing a more serious problem. B. Wright is one of the best indicators of health, so an overweight person cannot be considered healthy. C. If the criteria for health did not include weight, then it would not matter if the person was overweight or not. D.A person might be overweight, but their doctor does not want to encourage them to change any behaviors.

Which statement is incorrect regarding the use of histamine-receptor blockers (H2 blockers)? H2 blockers block histamine which causes the chief cells to decrease the secretion of hydrochloric acid Ranitidine and Famotidine are two types of histamine-receptor blocker medications Antacids and H2 blockers should not be given together All the statements are incorrect

Which of the following could decrease secretory activity of the stomach? The thought of food Smelling food Distention of the stomach Tasting food Activation of the sympathetic nervous system Activation of the parasympathetic nervous system

Which of the following hormones causes secretion of pancreatic juice? Insulin Pepsin Amylase CCK

What type of motility that the esophagus uses? Segmentation Peristalsis Reciprocal Masstication

The hormone Gastrin causes which of the following? Peristalsis of the esophagus Contraction of the ileocecal valve Relaxation of the lower esphageal sphincter Relaxation of the ileocecal valve

Which of the following should not be found in saliva? Bile Amylase lons Antimicrobial proteins

Which statement about acids is correct? a. The greater the percentage of nitrogen, the stronger the acid b. The greater the concentration of OH ions, the stronger the acid C. The greater the concentration of H* ions, the stronger the acid d. The greater the percentage of water, the weaker the acid

Typhoid is a food borne illness usually spread through: formite fecal-oral vector none of these

What are villi, and why are they important to the function of the small intestine?

What influence does bile have on the intestinal digestion of fats?

In the space provided, design an experiment to test the influence of pH on the digestive activity of salivary amylase.

Gastric contents, usually acidic, are propelled into the duodenum by gastric peristalsis, yet duodenal contents are usually alkaline. Why?

Which of the following characteristics apply to Salmonella serotypes? they can cause skin infections the causative agent is Shigella enteric they can be transmitted by food Shigella typhi causes typhoid