CSCC BIO 2300 Unit 4 Exam-
(actual 2025) Questions and
Correct Answers (verified)
,Caval Opening - <<<Answers>>>opening in the diaphragm
that allows the inferior vena cava to pass through; foramen for
the vena cava
Esophageal Hiatus - <<<Answers>>>where the esophagus
passes through the diaphragm
Aortic Hiatus - <<<Answers>>>opening in diaphragm for the
aorta to pass from the heart to the abdomen
Bulbourethral Gland - <<<Answers>>>one of the two glands
in the male reproductive system that add fluid to the semen
during ejaculation
Corpus Cavernosum of Penis - <<<Answers>>>Larger of the
two penile erectile tissues; dorsal to the urethra
Corpus Spongiosum of Penis - <<<Answers>>>erectile tissue
surrounding the urethra in the penis
Glans Penis - <<<Answers>>>the conical mass of erectile
tissue that forms the head of the penis
,Phrenic Nerve - <<<Answers>>>Carries impulses to the
diaphragm from the brain.
Vagus Nerve - <<<Answers>>>the tenth cranial nerve that
innervates digestive organs, heart and other areas
Recurrent Laryngeal Nerve - <<<Answers>>>Branch of the
Vagus nerve, innervates VFs
Intercostal Nerve - <<<Answers>>>systemic nerve in the
thoracic cavity that is found between two ribs
Rectus Abdominis M. - <<<Answers>>>Flexion of trunk (sit-
ups)
Compression of anterior abdominal wall
Tendinous Intersections - <<<Answers>>>Small connective
tissue bands which run horizontally across rectus abdominis
Trachea - <<<Answers>>>Allows air to pass to and from
lungs
Left Main Bronchus - <<<Answers>>>Slightly narrower and
more horizontal than the right
, Right Main Bronchus - <<<Answers>>>shorter, wider, and
more vertical than the left main bronchus
Left Lung - <<<Answers>>>2 lobes: superior and inferior
Right Lung - <<<Answers>>>3 lobes (superior, middle,
inferior)
Left lung, Superior Lobe - <<<Answers>>>What lobe is this?
Left Lung, Apex - <<<Answers>>>Identify the structure
Left Lung, Inferior Lobe - <<<Answers>>>What lobe is this?
Left Lung, Base - <<<Answers>>>Identify the structure
Left Lung Oblique Fissure - <<<Answers>>>divides lung
into superior and inferior lobes
Left Lung Cardiac Notch - <<<Answers>>>anterior indented
region of the left lung, makes room for the heart
(actual 2025) Questions and
Correct Answers (verified)
,Caval Opening - <<<Answers>>>opening in the diaphragm
that allows the inferior vena cava to pass through; foramen for
the vena cava
Esophageal Hiatus - <<<Answers>>>where the esophagus
passes through the diaphragm
Aortic Hiatus - <<<Answers>>>opening in diaphragm for the
aorta to pass from the heart to the abdomen
Bulbourethral Gland - <<<Answers>>>one of the two glands
in the male reproductive system that add fluid to the semen
during ejaculation
Corpus Cavernosum of Penis - <<<Answers>>>Larger of the
two penile erectile tissues; dorsal to the urethra
Corpus Spongiosum of Penis - <<<Answers>>>erectile tissue
surrounding the urethra in the penis
Glans Penis - <<<Answers>>>the conical mass of erectile
tissue that forms the head of the penis
,Phrenic Nerve - <<<Answers>>>Carries impulses to the
diaphragm from the brain.
Vagus Nerve - <<<Answers>>>the tenth cranial nerve that
innervates digestive organs, heart and other areas
Recurrent Laryngeal Nerve - <<<Answers>>>Branch of the
Vagus nerve, innervates VFs
Intercostal Nerve - <<<Answers>>>systemic nerve in the
thoracic cavity that is found between two ribs
Rectus Abdominis M. - <<<Answers>>>Flexion of trunk (sit-
ups)
Compression of anterior abdominal wall
Tendinous Intersections - <<<Answers>>>Small connective
tissue bands which run horizontally across rectus abdominis
Trachea - <<<Answers>>>Allows air to pass to and from
lungs
Left Main Bronchus - <<<Answers>>>Slightly narrower and
more horizontal than the right
, Right Main Bronchus - <<<Answers>>>shorter, wider, and
more vertical than the left main bronchus
Left Lung - <<<Answers>>>2 lobes: superior and inferior
Right Lung - <<<Answers>>>3 lobes (superior, middle,
inferior)
Left lung, Superior Lobe - <<<Answers>>>What lobe is this?
Left Lung, Apex - <<<Answers>>>Identify the structure
Left Lung, Inferior Lobe - <<<Answers>>>What lobe is this?
Left Lung, Base - <<<Answers>>>Identify the structure
Left Lung Oblique Fissure - <<<Answers>>>divides lung
into superior and inferior lobes
Left Lung Cardiac Notch - <<<Answers>>>anterior indented
region of the left lung, makes room for the heart
