Comprehensive Anatomy Exam: Digestion Section
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Questions and Answers

What is the primary function of the endometrium in the uterus?

  • Protects the ovaries
  • Supports the bladder
  • Contracts during labor
  • Sheds during menstruation (correct)

Where does the primary site of gas exchange occur in the respiratory system?

  • Bronchioles
  • Trachea
  • Alveoli (correct)
  • Bronchi

Which option accurately describes a significant difference between the left and right lungs?

  • Is surrounded by more pleura
  • Is larger
  • Has more bronchioles
  • Has fewer lobes (correct)

What role does the diaphragm play in respiration?

<p>Increasing thoracic cavity volume (A)</p> Signup and view all the answers

What prevents alveoli from collapsing during exhalation?

<p>Surfactant (B)</p> Signup and view all the answers

The trachea primarily divides into which structures?

<p>Right and left bronchi (A)</p> Signup and view all the answers

What characteristic distinguishes bronchioles from bronchi?

<p>They lack cartilage (A)</p> Signup and view all the answers

Ligaments are responsible for connecting which anatomical structures?

<p>Bone to bone (A)</p> Signup and view all the answers

Which structure increases the surface area for nutrient absorption in the small intestine?

<p>Villi (A)</p> Signup and view all the answers

What is the primary site for chemical digestion and nutrient absorption?

<p>Small intestine (D)</p> Signup and view all the answers

The common bile duct is formed by the union of which two ducts?

<p>Hepatic duct and cystic duct (D)</p> Signup and view all the answers

Bile salts are crucial for the digestion of what type of macromolecule?

<p>Lipids (B)</p> Signup and view all the answers

Which vitamin is synthesized by gut bacteria in the large intestine?

<p>Vitamin K (C)</p> Signup and view all the answers

How many openings does the gastrointestinal tract have to the exterior of the body?

<p>2 (D)</p> Signup and view all the answers

Where does the enzymatic breakdown of proteins begin?

<p>Stomach (B)</p> Signup and view all the answers

Which organ is responsible for bile production?

<p>Liver (A)</p> Signup and view all the answers

Where are Purkinje fibers located?

<p>Ventricular walls (D)</p> Signup and view all the answers

Most coronary venous return flows back to the heart via which structure?

<p>Coronary sinus (A)</p> Signup and view all the answers

Blood returning to the heart from the lungs enters which chamber?

<p>Left atrium (C)</p> Signup and view all the answers

What is the primary function of capillaries?

<p>Facilitate nutrient and gas exchange (B)</p> Signup and view all the answers

What is the function of the hepatic portal vein?

<p>Carries blood from GI tract to liver (B)</p> Signup and view all the answers

The cardiac semilunar valves prevent backflow into which structures?

<p>Ventricles (A)</p> Signup and view all the answers

Which valve prevents backflow into the right atrium?

<p>Tricuspid valve (B)</p> Signup and view all the answers

What is the primary role of the interventricular septum?

<p>Separate oxygenated and deoxygenated blood (A)</p> Signup and view all the answers

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Flashcards

Small intestine surface area increase

Villi and microvilli increase the surface area of the small intestine for nutrient absorption.

Bile duct formation

The common bile duct is formed from the hepatic duct and cystic duct.

Stomach surface area

Rugae increase the surface area of the stomach.

Nutrient absorption Site

The primary site for nutrient absorption is the small intestine.

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Digestion of Lipids

Bile salts aid in the digestion of lipids.

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Large intestine vitamin

Vitamin K is produced by gut bacteria in the large intestine.

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Esophagus muscle type bottom

The lower third of the esophagus contains smooth muscle.

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Gastrointestinal Tract Openings

The gastrointestinal tract has 2 openings to the body's exterior.

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Purkinje fibers location

Purkinje fibers are located in the ventricular walls of the heart.

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Coronary venous return

Most coronary venous return flows back to the heart through the coronary sinus.

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Lung blood entry

Blood returning from the lungs enters the left atrium.

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Capillary function

Capillaries facilitate nutrient and gas exchange.

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Hepatic portal vein function

The hepatic portal vein carries blood from the GI tract to the liver.

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Cardiac semilunar valves

These valves prevent backflow into the arteries.

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Right Atrium valve

The tricuspid valve prevents backflow into the right atrium.

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Interventricular septum function

The interventricular septum separates the ventricles.

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Endometrium function

The endometrium is the uterine layer that sheds during menstruation.

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Respiratory gas exchange site

Alveoli are the primary sites of gas exchange in the lungs.

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Left lung vs. right lung

The left lung has fewer lobes than the right lung.

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Diaphragm function

The diaphragm increases thoracic cavity volume during inhalation.

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Nasal cavity functions

The nasal cavity filters, humidifies, and warms inhaled air.

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Alveoli stability

Surfactant prevents alveolar collapse during exhalation.

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Trachea division

The trachea divides into the right and left bronchi.

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Kidney position relative to liver

The kidneys are inferior to the liver.

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Study Notes

Comprehensive Anatomy Exam - Instructions and Section 1: Digestion

  • The exam contains 75 multiple-choice questions
  • Digestion section has 10 questions
  • Heart and blood vessels have 10 questions
  • Nervous system has 15 questions
  • Renal system has 10 questions
  • Reproductive systems have 10 questions
  • Respiratory system has 10 questions
  • Miscellaneous topics have 10 questions
  • Answer each question carefully

Section 1: Digestion (10 Questions)

  • Question 1: The structure increasing surface area for nutrient absorption in the small intestine is villi.
  • Question 2: The common bile duct forms from the union of hepatic duct and cystic duct.
  • Question 3: The functional surface area of the stomach increases due to rugae.
  • Question 4: The primary site for chemical digestion and nutrient absorption is the small intestine.
  • Question 5: Bile salts are important for digesting lipids.
  • Question 6: Vitamin K is a vitamin synthesized by gut bacteria in the large intestine.

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Comprehensive Anatomy Exam PDF

Description

Test your knowledge on the digestion section of the Comprehensive Anatomy Exam. This quiz includes 10 multiple-choice questions focusing on the structure and function of the digestive system. Perfect for students looking to reinforce their understanding of human anatomy.

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