Anatomy Lab Manual: Mediastinum & Heart

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What anatomical structure is described as a mass of tissue located between the sternum and the vertebral column, and between the lungs?

  • Pericardium
  • Myocardium
  • Mediastinum (correct)
  • Epicardium

Which anatomical feature describes the pointed end of the heart, typically oriented toward the left side?

  • Border
  • Apex (correct)
  • Base
  • Surface

In a dissection, which vessel would you use to differentiate between the left and right ventricles?

  • Interventricular sulcus (correct)
  • Coronary sinus
  • Interatrial septum
  • Coronary sulcus

Where does the superior vena cava drain blood from, regarding the auricle?

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

Which structure found in both ventricles allows blood passage from each auricle?

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

Which cardiac structure prevents blood backflow into the left ventricle?

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

Which of the options prevent backflow of blood into the right ventricle?

<p>Pulmonary semilunar valve (D)</p> Signup and view all the answers

What is the name for the first portion of the aorta from which the left and right coronary arteries originate?

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

A blockage in which artery would cause decreased oxygenation of the heart, beginning inferiorly in the posterior interventricular sulcus?

<p>Right coronary artery (A)</p> Signup and view all the answers

Which vessel does the coronary sinus drain into?

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

From which branch does the right common carotid artery originate?

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

From which vessel does the vertebral artery originate?

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

What arteries supply both the colon and rectum?

<p>Inferior mesenteric artery (D)</p> Signup and view all the answers

The subclavian artery transitions into which artery as it passes the clavicle?

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

What is the anatomical progression of the artery in the arm, going from the axilla to the elbow?

<p>Axillary -&gt; Brachial -&gt; Radial (D)</p> Signup and view all the answers

Which vein in the upper limb ascends on the lateral side of the arm?

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

The union of which veins forms the brachiocephalic vein?

<p>Subclavian and internal jugular (A)</p> Signup and view all the answers

What are the terminal branches of the common iliac artery?

<p>Internal and external iliac arteries (C)</p> Signup and view all the answers

The external iliac artery becomes which artery after passing the inguinal ligament?

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

Which vein originates on the medial side of the foot and empties into the femoral vein?

<p>Great saphenous vein (C)</p> Signup and view all the answers

Which type of vessel wall is made up of only the tunica intima?

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

In the respiratory system, which structure connects the pharynx to the trachea?

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

Outside to inside, what is the correct anatomical ordering of the walls that make up the trachea?

<p>Adventitia -&gt; Submucosa -&gt; Mucosa (B)</p> Signup and view all the answers

In the respiratory tract, which of the following is exclusive to the upper respiratory system?

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

Which structure serves as a 'lid' to prevent food from entering the trachea and directs it towards the esophagus?

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

From the list, point out the paired cartilage of the larynx.

<p>Arytenoid, corniculate, and cuneiform (B)</p> Signup and view all the answers

What cartilaginous structure is most superior within the trachea's structure?

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

The division of the trachea occurs approximately at which vertebral level?

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

Which feature is observed in the right primary bronchus?

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

The lung is divided by fissures into three lobes. What lobes are visible in the lung?

<p>Superior, middle, and inferior (C)</p> Signup and view all the answers

What histological feature is common accross most of the upper and lower respiratory tract (except for parts of the pharynx)?

<p>Pseudostratified ciliated columnar epithelium (A)</p> Signup and view all the answers

Identify the anatomical structure that facilitates gas diffusion.

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

What are the male gonads called?

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

What is the primary purpose of the scrotum?

<p>Regulate testes temperature for sperm maintenance (D)</p> Signup and view all the answers

What structure is found surrounding the Glans?

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

What is the name of the structure, approximately 45 cm in length, that connects the epididymis to the ejaculatory duct?

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

What constitutes the spermatic cord?

<p>Vas deferens, arteries, nerves, lymphatic vessels, and pampiniform plexus (C)</p> Signup and view all the answers

What anatomical structure is located near the base of the urinary bladder?

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

What produces approximately 25% of semen?

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

Flashcards

Mediastinum

The mass of tissue between the sternum, spine, and lungs.

Pericardium

Fibrous sac enclosing the heart.

Heart's Apex

Points towards the left side of the body.

Heart's base

Located on the heart's posterior side.

Signup and view all the flashcards

Coronary Sulcus

Located between the atria and ventricles.

Signup and view all the flashcards

Interventricular Sulcus

Located between both ventricles.

Signup and view all the flashcards

Auricle

Small pouch that increases atrial volume.

Signup and view all the flashcards

Interatrial Septum

Separates the atria.

Signup and view all the flashcards

Fossa Ovalis

Remnant of the fetal foramen ovale.

Signup and view all the flashcards

Superior Vena Cava

Drains blood from the head, neck, and upper limbs.

Signup and view all the flashcards

Inferior Vena Cava

Drains blood from the abdomen and lower limbs.

Signup and view all the flashcards

Coronary Sinus

Drains blood from the heart itself.

Signup and view all the flashcards

Pulmonary Veins

Transports oxygenated blood from the lungs to the left atrium.

Signup and view all the flashcards

Atrioventricular Valves

Located between the atria and ventricles.

Signup and view all the flashcards

Tricuspid Valve

Valve between the right atrium and ventricle.

Signup and view all the flashcards

Trabeculae Carneae

Irregular muscular elevations lining the ventricles.

Signup and view all the flashcards

Papillary Muscle

Attaches to the valve flaps via chordae tendineae.

Signup and view all the flashcards

Bicuspid (Mitral) Valve

Valve between the left atrium and ventricle.

Signup and view all the flashcards

Great Vessels

Vessels arising from the ventricles

Signup and view all the flashcards

Aortic Semilunar Valve

Valve located between the left ventricle and the aorta.

Signup and view all the flashcards

Pulmonary Semilunar Valve

Valve between the right ventricle and the pulmonary artery.

Signup and view all the flashcards

Aorta

Carries oxygenated blood to the body.

Signup and view all the flashcards

Pulmonary Artery

Carries deoxygenated blood to the lungs.

Signup and view all the flashcards

Coronary Arteries

First branches off the ascending aorta.

Signup and view all the flashcards

Left Coronary Artery

Supplies the left side of the heart.

Signup and view all the flashcards

Circumflex Artery

Runs in the coronary sulcus.

Signup and view all the flashcards

Anterior Interventricular Artery

Located in the anterior interventricular sulcus.

Signup and view all the flashcards

Right Coronary Artery

Feeds heart's right side and posterior.

Signup and view all the flashcards

Coronary Sinus

Drains cardiac muscle into the right atrium.

Signup and view all the flashcards

Aortic Arch

3 arteries arise from it, right to left.

Signup and view all the flashcards

Brachiocephalic Trunk

First branch off the aortic arch.

Signup and view all the flashcards

Vena Cava

Drains in the azygous veins near the upper back

Signup and view all the flashcards

Where is the voice box?

Larynx location

Signup and view all the flashcards

Thyroid Cartilage

Cartilage in larynx, prominent in males

Signup and view all the flashcards

What produces sound?

Structures in the larnyx for producing sound

Signup and view all the flashcards

Respiratory Mucosa

Lines trachea, pseudostratified

Signup and view all the flashcards

Primary Bronchi

Divides trachea to lungs

Signup and view all the flashcards

How many lobes does the right lung have?

Right lung lobes

Signup and view all the flashcards

Respiratory Unit

Functional unit of lungs

Signup and view all the flashcards

Alveoli

Where do gases get swapped in the lungs?

Signup and view all the flashcards

Related Documents

More Like This

Use Quizgecko on...
Browser
Browser