Human Anatomy Quiz - 10th Class
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Questions and Answers

What structure is formed by the union of the main pancreatic duct and the bile duct?

  • Hepatic duct
  • Accessory pancreatic duct
  • Hepatopancreatic ampulla (correct)
  • Common bile duct

Which statement about the renal hilum is incorrect?

  • It is located on the concave medial margin of the kidney
  • The renal artery is anterior to the renal pelvis
  • It contains the renal pyramids (correct)
  • The renal vein is anterior to the renal artery

Which muscle is primarily responsible for inspiration?

  • Sternocleidomastoid
  • Diaphragm (correct)
  • External intercostal
  • Internal intercostal

At what level does the abdominal aorta bifurcate?

<p>Crest of the ilium (A)</p> Signup and view all the answers

Which of these surfaces of the calcaneus articulates with the talus?

<p>Anterior facet and lateral facet only (B)</p> Signup and view all the answers

In which structures does digestion primarily occur?

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

Where does most water reabsorption take place in the digestive system?

<p>Ascending colon (C)</p> Signup and view all the answers

Which insertion of the rotator cuff muscles to the humerus is CORRECT?

<p>Supraspinatus to the anterior impressions, Teres Minor to the posterior impression (C)</p> Signup and view all the answers

Which part of the uterus extends into the uppermost vagina?

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

Which statement accurately describes the lamboidal suture?

<p>It connects the parietal bones and occipital bone (C)</p> Signup and view all the answers

What is the correct name for a vertical plane that divides the body into right and left sections?

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

Which of the following is the largest accessory gland of the male reproductive system?

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

What is the approximate total lung capacity in a healthy adult male?

<p>6000 ml (C)</p> Signup and view all the answers

Which of the following fat pads are associated with the elbow joint?

<p>Pronator, supinator, and posterior fat pads (C)</p> Signup and view all the answers

Which structure does NOT branch from the right coronary artery?

<p>Left anterior descending artery (A)</p> Signup and view all the answers

Where does gas exchange primarily occur in the lungs?

<p>The alveoli (C)</p> Signup and view all the answers

During the period of ejection in the cardiac cycle, what is the state of the atrioventricular valves and the semilunar valves?

<p>closed, open (B)</p> Signup and view all the answers

Which structure is responsible for detecting the amount of stretch or tension in skeletal muscles, tendons, and joints?

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

What is the correct order of structures that air passes through when traveling from the bronchi?

<p>respiratory bronchiole, terminal bronchiole, alveolar duct, alveolus (D)</p> Signup and view all the answers

Which of the following substances does not normally pass through the glomerular capsule?

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

What are the communication channels from the exterior of the bone to its interior central canals known as?

<p>Volkmann's (perforating) canals (C)</p> Signup and view all the answers

Which serous membrane covers the surface of the lungs?

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

Which structure is often referred to as the 'abdominal policeman'?

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

What structure supports the duodenojejunal junction?

<p>ligament of Treitz (B)</p> Signup and view all the answers

What best describes the landmark known as lambda?

<p>Point on calvaria at junction of sagittal and lambdoid sutures (B)</p> Signup and view all the answers

Which of the following is NOT a distinctive characteristic of a typical cervical vertebra?

<p>The articular processes contain superior facets directed inferoanteriorly (C)</p> Signup and view all the answers

What is true regarding the intervertebral disc between the C1 and C2 vertebrae?

<p>There is no intervertebral disc between the C1 and C2 vertebrae (D)</p> Signup and view all the answers

The vertebral column does all of the following, except:

<p>Form the main part of the appendicular skeleton (D)</p> Signup and view all the answers

Which statement about the spinal cord is correct?

<p>The spinal cord is enlarged in the lumbosacral region for innervation of the lower limbs (C)</p> Signup and view all the answers

Which statement about kyphosis is true?

<p>Kyphosis may result from developmental anomalies as well as from osteoporosis (D)</p> Signup and view all the answers

What characterizes lordosis?

<p>An anterior rotation of the pelvis (C)</p> Signup and view all the answers

Which of the following options may contribute to the development of scoliosis?

<p>Asymmetrical weakness of intrinsic back muscles (B), Difference in length of the upper limbs (C)</p> Signup and view all the answers

Which structure is NOT considered part of the condyle of the humerus?

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

Which statement accurately describes the relationship between the scaphoid bone and other carpal bones?

<p>The triquetrum articulates proximally with the articular disc. (A)</p> Signup and view all the answers

Which of the following statements is false regarding the ulna and radius?

<p>The ulnar styloid process is smaller than the radial styloid process. (B)</p> Signup and view all the answers

What is the correct order of the distal row of carpals from lateral to medial?

<p>Trapezium, trapezoid, capitate, hamate (A)</p> Signup and view all the answers

What describes the acromioclavicular joint?

<p>When dislocated, it is referred to as a 'separated shoulder.' (C)</p> Signup and view all the answers

Which statement regarding the clavicle is true?

<p>The clavicle varies more in shape than most other long bones. (D)</p> Signup and view all the answers

Which of the following carpometacarpal joints is not classified as a plane type of synovial joint?

<p>Carpometacarpal joint of the thumb (B)</p> Signup and view all the answers

What is a consequence of damage to the axillary nerve?

<p>Paralysis of the coracobrachialis, biceps, and brachialis (B)</p> Signup and view all the answers

What does syndactyly primarily involve?

<p>Abnormal fusion of fingers and toes (A)</p> Signup and view all the answers

Which structure does the articular part of a rib tubercle articulate with?

<p>Transverse process (C)</p> Signup and view all the answers

What is contained within the pleural cavity?

<p>Serous pleural fluid (C)</p> Signup and view all the answers

At which vertebral level does the sternal angle lie?

<p>T4/T5 (B)</p> Signup and view all the answers

Which structure is correctly related to the right atrium?

<p>It receives blood from the superior vena cava (C)</p> Signup and view all the answers

What structure does the interventricular septum contain?

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

Which structure carries highly oxygenated blood from the lungs to the heart?

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

Flashcards

What are the articular surfaces of the calcaneus that connect with the talus?

The anterior and lateral facets of the calcaneus form the articulation with the talus bone.

List the rotator cuff muscles and their insertions on the humerus.

The rotator cuff muscles are a group of four muscles that surround the shoulder joint. They help to stabilize the shoulder joint and perform various movements.

What is the lambdoid suture?

The lambdoid suture is a joint in the skull that connects the parietal bones and the occipital bone.

What is a sagittal plane?

The sagittal plane divides the body vertically into right and left halves.

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What is the total lung capacity in a healthy adult male?

The total lung capacity in a healthy adult male is approximately 6 liters. This includes all the air that can be held in the lungs after a maximum inhalation.

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Identify the fat pads associated with the elbow joint.

The three fat pads associated with the elbow joint are the supinator fat pad and the posterior fat pad.

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Which is NOT a branch of the right coronary artery: Right marginal, Posterior interventricular, AV nodal, Circumflex?

The right coronary artery supplies blood to the right side of the heart. The circumflex artery is a branch of the left coronary artery.

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Identify a structure that may compress the esophagus.

The aortic arch is a curved part of the aorta that lies behind the esophagus. It can cause compression of the esophagus, leading to difficulty swallowing.

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Which valves are open and closed during the ejection phase of the cardiac cycle?

The semilunar valves are open and the atrioventricular valves are closed during ejection, allowing blood to be pumped out of the ventricles.

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Order these airway structures from bronchi to alveoli: alveolar duct, alveolus, respiratory bronchiole, terminal bronchiole

The sequence of structures that air travels through as it enters the lungs, starting after the bronchi, is: respiratory bronchiole, terminal bronchiole, alveolar duct, alveolus.

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The collective name for the protective membranes surrounding the CNS is:

The meninges are a protective covering of three layers: the dura mater, arachnoid mater, and pia mater.

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What type of receptor senses stretch or tension in muscles, tendons, and joints?

Proprioceptors detect changes in muscle tension, joint position, and body movement.

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Where is spongy bone found in a typical long bone?

Spongy bone, a type of bone tissue with a porous structure, is present in the epiphyses of a long bone.

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What canals connect the Haversian canals to the exterior of a bone?

Volkmann's canals, also called perforating canals, connect the haversian canals to the outer surface of the bone, providing a pathway for blood vessels and nerves.

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Which substance normally cannot pass through the glomerular capsule?

Albumin, a large protein, is too big to pass through the filtration membrane of the glomerular capsule.

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What is the name of the membrane covering the lungs?

The visceral pleura is the thin membrane that directly covers the lungs.

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Lambda

The point on the skull where the sagittal and lambdoid sutures meet.

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Vertebral Foramen of a Typical Cervical Vertebra

A large, triangular opening in the posterior aspect of the vertebral arch, which allows passage of the spinal cord.

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Intervertebral Disc between C1 and C2

No intervertebral disc is present between the first and second cervical vertebrae (C1 and C2).

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Lumbosacral Enlargement of the Spinal Cord

The spinal cord is enlarged in this region to accommodate the nerves that innervate the lower limbs.

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Kyphosis

An excessive outward curvature of the thoracic spine, resulting in a rounded back. It can be caused by developmental anomalies or osteoporosis.

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Lordosis

An excessive inward curvature of the lumbar spine, resulting in a swayback appearance. It is often caused by an anterior rotation of the pelvis.

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Functions of the Vertebral Column

The vertebral column provides support for the weight of the body, protects the spinal cord and nerves, and contributes to posture and movement.

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Functions of the Spinal Cord

The spinal cord is responsible for transmitting sensory information to the brain and motor commands from the brain to the body.

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Scoliosis

A condition where the spine curves sideways, often caused by differences in muscle strength, length of limbs, or issues with intervertebral discs.

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Greater Tubercle

The bony prominence on the upper end of the humerus, not part of the condyle.

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Pisiform

A small, triangular carpal bone that sits on the palmar surface of the trapezium and articulates only with the trapezium. It's not attached to any other carpal bones.

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Ulnar Styloid Process

The process on the ulna that extends distally.

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Carpometacarpal joint of the Thumb

The carpometacarpal joint of the thumb, which has a unique saddle-shaped articulation allowing for opposition movement.

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Separated Shoulder

A common injury to the acromioclavicular joint, involving the separation of the clavicle from the scapula.

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Clavicle

A long bone in the shoulder that connects the sternum to the scapula.

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Plane Synovial Joint

This type of joint allows for gliding movements, found in the carpometacarpal and intermetacarpal joints, except for the thumb's carpometacarpal joint.

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What structure is formed by the union of the main pancreatic duct and the bile duct?

The point where the main pancreatic duct and the bile duct join together.

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What is the correct order of structures within the renal hilum from posterior to anterior?

The renal pelvis is situated most posteriorly, while the renal vein lies anterior to the renal artery.

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Which muscle is primarily responsible for inspiration?

The diaphragm is the main muscle responsible for inhalation, creating negative pressure in the chest cavity.

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At which anatomical landmark does the abdominal aorta bifurcate?

The abdominal aorta divides into the common iliac arteries at the level of the crest of the ilium.

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Where does most of the digestion of food occur?

The stomach and duodenum are the primary sites for the breakdown of food through mechanical churning and enzymatic digestion.

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In which part of the digestive tract occurs the majority of water reabsorption?

Most water reabsorption takes place in the ascending colon, contributing to the formation of solid feces.

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Which structure is NOT a boundary of the pelvic inlet?

The inferior ramus of the pubis is part of the pelvic floor and doesn't directly form the inlet.

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In which part of the fallopian tube does fertilization usually occur?

Fertilization usually occurs in the ampulla, the wider portion of the uterine tube, where the egg is typically present after ovulation.

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What are the consequences of axillary nerve damage?

Axillary nerve damage leads to inability to flex the elbow and to abduct the arm, as well as loss of sensation in the lateral arm.

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What is Syndactyly?

Syndactyly refers to the fusion or webbing of fingers or toes.

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Where does the rib tubercle articulate?

The rib tubercle, a small bump on the rib, articulates with the transverse process of the corresponding vertebra to form the costovertebral joint.

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What is found in the pleural cavity?

The pleural cavity is the space between the visceral and parietal pleura, containing a thin layer of serous fluid.

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Where is the sternal angle located?

The sternal angle, also called the angle of Louis, lies at the level of the intervertebral disc between T4 and T5 vertebrae. It marks the point where the second rib articulates with the sternum.

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Which heart chamber does not contain trabeculae carneae?

Trabeculae carneae are irregular muscle ridges found in the ventricles of the heart, but not in the atria.

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What structure is present in the interventricular septum?

The interventricular septum, the wall dividing the ventricles, contains the conus arteriosus, which is the smooth outflow tract of the right ventricle leading to the pulmonary trunk.

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What is the basic unit for gas exchange in the lung?

Alveoli, small air sacs in the lungs, are the primary sites of gas exchange between the air and the blood.

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Study Notes

Anatomy and Physiology Study Notes

  • Calcaneus and Talus Articulation: The three articular surfaces of the calcaneus that join with the talus are the anterior facet, lateral facet, and posterior facet. Only the anterior and lateral facets are involved in the joint.

  • Rotator Cuff Muscle Insertion: The supraspinatus inserts onto the greater tubercle anteriorly, the infraspinatus & teres minor onto the posterior aspect of the greater tubercle, and the subscapularis onto the lesser tubercle.

  • Lambdoid Suture: The lambdoid suture forms the joint between the parietal and occipital bones situated posterior to the coronal suture.

  • Sagittal Plane: A vertical plane that divides the body into right and left halves.

  • Total Lung Capacity (Male): The approximate total lung capacity in a healthy adult male is 6000 mL.

  • Elbow Fat Pads: The three fat pads associated with the elbow are the pronator fat pad, supinator fat pad, and posterior fat pad.

  • Right Coronary Artery Branches: The right marginal artery is a branch of the right coronary artery.

  • Esophageal Compression: The esophagus can be compressed by the aortic arch, right main bronchus, but not the left vagus or right brachiocephalic vein.

  • Gas Exchange in Lungs: Gas exchange occurs within the alveoli of the lungs.

  • Gallbladder Capacity: The maximum capacity of the gallbladder for storing bile is approximately 70 mL.

  • Glomerular Capsule Filtration: Approximately 180 L of filtrate enters the glomerular capsule each day.

  • Kidney Filtration Apparatus: The glomerular capsule acts as the filtration apparatus of the kidneys.

  • Anterior Interventricular Artery: The anterior interventricular artery is a branch of the left coronary artery.

  • Cardiac Cycle Valves: During ejection, the atrioventricular valves are closed, while the semilunar valves are open.

  • Air Passage from Bronchi: The correct order for air passing through the structures after the bronchi are: terminal bronchioles, respiratory bronchioles, alveolar ducts, alveoli.

  • Meninges: The three connective tissue membranes protecting the CNS structures are collectively known as the meninges.

  • Spongy Bone in Long Bones: In a typical long bone, spongy bone is found within the epiphyses.

  • Bone Communication Canals: Volkmann's (perforating) canals communicate from the outside of the bone to its interior central canals.

  • Substances Not Through Glomerular Capsule: Glucose does not normally pass through the glomerular capsule.

  • Lungs Serous Membrane: The serous membrane on the surface of the lungs is called visceral pleura.

  • Blood Delivery to Left Atrium: Blood is delivered to the left atrium by the pulmonary veins.

  • Directional Terms: Body planes, sections or directions.

  • Posterior Mediastinum Structures: The azygos vein is in the posterior mediastinum.

  • Duodenojejunal Junction Support: The duodenojejunal junction is supported by the ligament of Treitz.

  • Pancreatic and Bile Duct Union: The pancreatic duct and bile duct unite to form the hepatopancreatic ampulla.

  • Renal Hilum Parts: The renal vein is anterior to the renal artery, which is anterior to the renal pelvis; the renal hilum is on the concave medial margin of the kidney.

  • Chief Muscle of Inspiration: The diaphragm is the chief muscle of inspiration.

  • Aorta Bifurcation Location: The abdominal aorta bifurcates at the level of the diaphragm.

  • Crest of the Ilium: The crest of the ilium is a bony anatomical feature.

  • Digestion Location: Digestion primarily takes place in the stomach and duodenum.

  • Water Reabsorption: Most water reabsorption occurs primarily in the jejunum.

  • Pelvic Inlet Boundaries: The pelvic inlet is not defined by the inferior ramus of the pubis.

  • Uterine Part Entering Vagina: The fundus portion of the uterus protrudes into the upper most vagina.

  • Male Accessory Gland: The largest accessory gland in the male reproductive system is the prostate.

  • Kyphosis: Kyphosis can result from developmental anomalies and osteoporosis.

  • Shoulder Joint Injury: The shoulder is the most frequently injured major joint.

  • Nasal Conchae: Inferior nasal concha is a separate bone on its own.

  • Lambdoid Landmark: The lambda is a landmark where the sagittal and lambdoid sutures meet.

  • Landmark Between C1 and C2: There is no intervertebral disc between C1 and C2 vertebrae.

  • Vertebral Column Functions: The vertebral column supports the body, protects the spinal cord, plays a role in posture and movement.

  • Hip Injury: It is not a case separate bone.

  • Scoliosis Causes: Differences in length of the upper limbs, or asymmetrical weakness of intrinsic back muscles

  • Humerus Condyle: The radial, coronoid, and olecranon fossae, trochlea, and capitulum are part of the humerus condyle.

  • **Wrist joint ** carpometacarpal and intermetacarpal joints are plane type of synovial joints except for the carpometacarpal joints of the thumb and the 5th metacarpal.

  • External and Internal Layers of the pericardium: The external layer of the sac of the pericardium is the fibrous pericardium and the internal layer is the visceral layer of the pericardium which is called the epicardium .

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Test your knowledge of human anatomy with this quiz that covers various structures and functions, from the pancreas to the respiratory system. Questions include details about organs, muscles, and anatomical terminology. Ideal for 10th-grade students studying biology.

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