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GQuiz 2

Created by Jane Caper

p.1

The ejaculatory duct is formed by the union of which structures? A) Seminal vesicle and rete testis B) Seminal vesicle and vas deferens C) Vas deferens and rete testis D) Vas deferens and ureter E) Vas deferens and prostatic urethra

Select an answer

p.1

Explanation

No explanation provided.

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p.1
Male Reproductive System

The ejaculatory duct is formed by the union of which structures?
A) Seminal vesicle and rete testis
B) Seminal vesicle and vas deferens
C) Vas deferens and rete testis
D) Vas deferens and ureter
E) Vas deferens and prostatic urethra

B) Seminal vesicle and vas deferens
Explanation: The ejaculatory duct is formed by the union of the seminal vesicle and the vas deferens, which is crucial for male reproductive anatomy.

p.4
Brain Regions and Functions

Which of the following structures is associated with motivation and reward?
A) Corpus callosum
B) Cerebellum
C) Frontal lobe
D) Parietal lobe
E) Fornix

C) Frontal lobe
Explanation: The frontal lobe is associated with higher cognitive functions, including motivation and reward processing.

p.1
Mediastinum Structures

After removing the heart from the pericardial sac, which structure is NOT visible?
A) Pulmonary veins
B) Inferior vena cava
C) Superior vena cava
D) Ascending aorta
E) Thoracic trunk

E) Thoracic trunk
Explanation: The thoracic trunk is not typically visible after the heart is removed from the pericardial sac, while the other structures are generally still accessible.

p.4
Brain Regions and Functions

Which of the following structures contains cell bodies of the pyramidal tract?
A) Frontal lobe
B) Corpus callosum
C) Occipital lobe
D) Precentral gyrus
E) Postcentral gyrus

D) Precentral gyrus
Explanation: The precentral gyrus, located in the frontal lobe, is where the cell bodies of the pyramidal tract are found, playing a crucial role in motor control.

p.4
Abdominal Anatomy

Which of the following structures is NOT found in the right atrium?
A) Opening of the tricuspid valve
B) Fossa ovalis
C) Valve to the coronary sinus
D) Crista terminalis
E) Cordae tendineae

E) Cordae tendineae
Explanation: The cordae tendineae are associated with the ventricles and the atrioventricular valves, not specifically found in the right atrium.

p.2
Abdominal Anatomy

The esophagus passes through the diaphragm at this vertebral level:
A) T4/5
B) T8
C) T10
D) T12
E) L3

C) T10
Explanation: The esophagus passes through the diaphragm at the T10 vertebral level, which is an important anatomical landmark.

p.4
Cranial Nerves and Locations

Which of the following cranial nerves is NOT located on the pons?
A) CN V
B) CN VI
C) CN VII
D) CN VIII
E) CN IX

E) CN IX
Explanation: Cranial Nerve IX (Glossopharyngeal nerve) is not located on the pons; it originates from the medulla oblongata.

p.3
Abdominal Anatomy

The ________________ separates the paired rectus abdominis muscles and is the preferred site for abdominal surgery.
A) Tendinous intersection
B) Linea alba
C) Linea semilunaris
D) Iliopsoas fascia

B) Linea alba
Explanation: The linea alba is a fibrous structure that separates the rectus abdominis muscles and is commonly used as an incision site in abdominal surgeries.

p.1
Male Reproductive System

The male scrotum is homologous to which female structure?
A) Clitoris
B) Labia majora
C) Labia minora
D) Broad ligament
E) Mesosalpinx

B) Labia majora
Explanation: The male scrotum is homologous to the female labia majora, reflecting similarities in embryonic development.

p.2
Pulmonary Anatomy

Which impression can be seen on the mediastinal surface of the right lung only?
A) Cardiac fossa
B) Common carotid artery
C) Azygos v.
D) Inferior vena cava
E) Pulmonary veins

C) Azygos v.
Explanation: The azygos vein creates a distinct impression on the mediastinal surface of the right lung, which is not present on the left lung.

p.2
Blood Supply to Organs

The jejunum receives blood supply from which of the following vessels?
A) Celiac trunk
B) Gastric artery
C) Superior mesenteric artery
D) Inferior mesenteric artery
E) Renal artery

C) Superior mesenteric artery
Explanation: The jejunum is primarily supplied by branches of the superior mesenteric artery, which is crucial for its vascularization.

p.3
Digestive System Structures

Which of the following is NOT part of the large intestine?
A) Villi
B) Epiploic appendages
C) Teniae coli
D) Haustra
E) Cecum

A) Villi
Explanation: Villi are finger-like projections found in the small intestine, not in the large intestine, which is characterized by structures like haustra and teniae coli.

p.3
Abdominal Anatomy

Which of the following ligaments extends from the anterior superior iliac spine to the pubic tubercle?
A) Femoral
B) Inguinal
C) Ischial
D) Popliteal
E) Abdominal

B) Inguinal
Explanation: The inguinal ligament runs from the anterior superior iliac spine to the pubic tubercle and is significant in the anatomy of the groin region.

p.3
Abdominal Anatomy

Which of the following structures is the remnant of the umbilical vein?
A) Inguinal ligament
B) Falciform ligament
C) Round ligament of the uterus
D) Round ligament of the liver
E) Gastric ligament

D) Round ligament of the liver
Explanation: The round ligament of the liver is the remnant of the umbilical vein, which carried oxygenated blood from the placenta to the fetus.

p.4
Mediastinum Structures

Which of the following is NOT a content of the posterior mediastinum?
A) Thoracic aorta
B) Thoracic duct
C) Brachiocephalic trunk
D) Azygos vein
E) Sympathetic trunk

C) Brachiocephalic trunk
Explanation: The brachiocephalic trunk is located in the anterior mediastinum, not in the posterior mediastinum.

p.1
Renal Anatomy

Fluid from the renal medulla drains directly into which structure FIRST?
A) Minor calyx
B) Major calyx
C) Renal pelvis
D) Ureter
E) Renal cortex

A) Minor calyx
Explanation: The fluid from the renal medulla drains first into the minor calyx before moving to larger structures.

p.3
Abdominal Anatomy

The appendix is located in which of the following abdominal regions?
A) Right hypochondriac
B) Epigastric
C) Umbilical
D) Right iliac
E) Right lumbar

D) Right iliac
Explanation: The appendix is typically located in the right iliac region of the abdomen, which is important for diagnosing appendicitis.

p.2
Abdominal Anatomy

Which of the following structures connects the transverse colon to the posterior abdominal wall?
A) Greater omentum
B) Lesser omentum
C) Mesentery
D) Mesocolon
E) Omental appendages

D) Mesocolon
Explanation: The mesocolon is the structure that connects the transverse colon to the posterior abdominal wall, providing support and vascular supply.

p.1
Nervous System Innervation

The pudendal nerve arises from which nerve roots?
A) T12-L3
B) L2-S2
C) L4-S1
D) S2-S4
E) S1-S3

D) S2-S4
Explanation: The pudendal nerve arises from the S2-S4 nerve roots, which are important for innervation in the pelvic region.

p.3
Blood Supply to Organs

Which vessel contributes to the formation of the portal vein?
A) Right renal v.
B) Testicular v.
C) Inferior rectal v.
D) Superior mesenteric v.
E) Inferior vena cava

D) Superior mesenteric v.
Explanation: The superior mesenteric vein is one of the main contributors to the formation of the portal vein, which is crucial for transporting blood from the gastrointestinal tract to the liver.

p.4
Mediastinum Structures

The boundary between the superior mediastinum and inferior mediastinum is defined as a line projecting from the sternal angle to __________:
A) C6-C7
B) C7
C) T1
D) T4
E) T6

D) T4
Explanation: The boundary between the superior and inferior mediastinum is defined by a line from the sternal angle to the T4 vertebra.

p.2
Male Reproductive System

Which of the following is NOT part of the spermatic cord?
A) Ductus deferens
B) Head of epididymis
C) Pampiniform plexus
D) Testicular nn.
E) Cremasteric m.

B) Head of epididymis
Explanation: The head of the epididymis is not part of the spermatic cord; it is a separate structure involved in sperm maturation.

p.2
Nervous System Innervation

Parasympathetic innervation of the abdominal region comes from which of the following nerves?
A) Sympathetic ganglion
B) Phrenic n.
C) Intercostal nn.
D) Vagus n.
E) Recurrent laryngeal n.

D) Vagus n.
Explanation: The vagus nerve is responsible for providing parasympathetic innervation to the abdominal region, influencing various digestive functions.

p.3
Brain Regions and Functions

Which of the following regions of the brain is mainly responsible for speech production?
A) Superior frontal gyrus
B) Middle frontal gyrus
C) Inferior frontal gyrus
D) Superior temporal gyrus
E) Calcarine gyrus

C) Inferior frontal gyrus
Explanation: The inferior frontal gyrus, particularly Broca's area located within it, is primarily responsible for speech production and language processing.

p.2
Pulmonary Anatomy

If an old tooth crown is accidentally dropped down the trachea, where is it most probably located?
A) The trachea itself
B) The left primary bronchus
C) The left lower secondary bronchus
D) The right primary bronchus
E) The right lower tertiary bronchus

D) The right primary bronchus
Explanation: Foreign objects that enter the trachea are more likely to lodge in the right primary bronchus due to its wider and more vertical orientation.

p.3
Abdominal Anatomy

In which abdominal region is the appendix located?

Right iliac region.

p.4
Mediastinum Anatomy

Which of the following is NOT a content of the posterior mediastinum?

Brachiocephalic trunk.

p.2
Abdominal Anatomy

At which vertebral level does the esophagus pass through the diaphragm?

T10.

p.3
Abdominal Anatomy

Which vessel contributes to the formation of the portal vein?

Superior mesenteric vein.

p.1
Mediastinum Anatomy

After removing the heart from the pericardial sac, which structure is NOT visible?

Thoracic trunk.

p.2
Respiratory System Structures

Which impression can be seen on the mediastinal surface of the right lung only?

Azygos vein.

p.2
Abdominal Anatomy

Which structure connects the transverse colon to the posterior abdominal wall?

Mesocolon.

p.4
Mediastinum Anatomy

Which structure is NOT found in the right atrium?

Cordae tendineae.

p.2
Respiratory System Structures

If a tooth crown is dropped down the trachea, where is it most probably located?

The right primary bronchus.

p.1
Nervous System Innervation

From which nerve roots does the pudendal nerve arise?

S2-S4.

p.3
Abdominal Anatomy

What separates the paired rectus abdominis muscles and is the preferred site for abdominal surgery?

Linea alba.

p.3
Abdominal Anatomy

What is the remnant of the umbilical vein?

Round ligament of the liver.

p.3
Digestive System Components

Which structure is NOT part of the large intestine?

Villi.

p.3
Abdominal Anatomy

Which ligament extends from the anterior superior iliac spine to the pubic tubercle?

Inguinal ligament.

p.2
Nervous System Innervation

Which nerve provides parasympathetic innervation to the abdominal region?

Vagus nerve.

p.2
Blood Supply to Organs

Which vessel supplies blood to the jejunum?

Superior mesenteric artery.

p.4
Mediastinum Anatomy

What defines the boundary between the superior and inferior mediastinum?

A line projecting from the sternal angle to T4.

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Study Smarter, Not Harder