BIO235 Final exam questions - CH 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29. Actual Exam Questions Included. Updated 2024.
Which of the following terms identifies the anatomical region found between the lungs that
extends from the sternum to the vertebral column and from the first rib to the di...
BIO235 Final exam questions - CH 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29. Actual
Exam Questions Included. Updated 2024.
Which of the following terms identifies the anatomical region found between the
lungs that
extends from the sternum to the vertebral column and from the first rib to the
diaphragm?
a) Epicardium
b) Abdominal cavity
c) Pericardium
d) Mediastinum
e) Thoracic cavity
d) Mediastinum
The membrane that surrounds and protects the heart is called the
a) pericardium.
b) pleura.
c) myocardium.
d) mediastinum.
e) endocardium.
a) pericardium.
The apex of the heart is normally pointed
a) at the midline.
b) to the left of the midline.
c) to the right of the midline.
d) is different for males and females
e) posteriorly.
b) to the left of the midline.
The outermost layer of the pericardium, which consists of inelastic dense
irregular connective
tissue, is called the
a) parietal layer of pericardium.
b) serous pericardium.
c) fibrous pericardium.
d) epicardium.
e) endocardium.
c) fibrous pericardium.
Which of the following is used to reduce friction between the layers of
membranes
surrounding the heart?
a) Synovial fluid
b) Endocardium
,c) Pleural fluid
d) Pericardial fluid
e) Capillary endothelium
d) Pericardial fluid
Which layer of the heart wall consists of mesothelium and connective tissue?
a) Epicardium
b) Myocardium
c) Endocardium
d) Fibrous pericardium
e) None of the answer selections are correct
a) Epicardium
Which layer of the heart wall consists of cardiac muscle tissue?
a) Epicardium
b) Pericardium
c) Myocardium
d) Endocardium
e) Hypocardium
c) Myocardium
Identify the pouch-like structure that increases the total filling capacity of the
atrium.
a) Ventricle
b) Coronary sulcus
c) Fossa ovalis
d) Interatrial septum
e) Auricle.
e) Auricle.
Identify the groove found on the surface of the heart and marks the boundary
between the
right and left ventricles.
a) Coronary sulcus
b) Anterior interventricular sulcus
c) Posterior interventricular sulcus
d) Coronary sinus
e) Anterior intraventricular sulcus
b) Anterior interventricular sulcus
Identify the muscular ridges that are found on the anterior wall of the right atrium
and extend
into the auricles.
a) Pectinate muscles
b) Trabeculae carneae
c) Coronary sulci
d) Papillary muscles
e) Chordae tendinae
a) Pectinate muscles
,Through which structure does blood pass from the right atrium to the right
ventricle?
a) Bicuspid valve
b) Interventricular septum
c) Tricuspid valve
d) Mitral valve
e) Ascending aorta
c) Tricuspid valve
What type of tissue comprises the valves of the heart?
a) Dense connective tissue
b) Areolar connective tissue
c) Hyaline cartilage
d) Cardiac muscle tissue
e) Adipose tissue
a) Dense connective tissue
Blood leaving the left ventricle passes through which of the following structures?
a) Right atrium
b) Interventricular septum
c) Bicuspid valve
d) Aortic semilunar valve
e) Pulmonary semilunar valve
d) Aortic semilunar valve
Identify the structure found in a fetus that allows blood to flow directly from the
pulmonary
trunk into the aorta.
a) Fossa ovalis
b) Foramen ovale
c) Trabeculae carneae
d) Descending aorta
e) Ductus arteriosus
e) Ductus arteriosus
Contraction of the ventricles of the heart leads to blood moving directly
a) into arteries.
b) into capillaries.
c) into veins.
d) through an atrioventricular valve.
e) through the apex.
a) into arteries.
Contraction of the atria of the heart leads to blood moving directly
a) into auricles.
b) into arteries.
c) into veins
d) through atrioventricular valves
e) through semilunar valves.
d) through atrioventricular valves
, 18) Which valve below prevents blood from flowing back into the right ventricle?
a) Tricuspid valve
b) Bicuspid valve
c) Pulmonary semilunar valve
d) Aortic semilunar valve
e) Mitral valve
c) Pulmonary semilunar valve
What of the following chambers of the heart contain deoxygenated blood?
a) Left atrium and left ventricle
b) Left atrium only
c) Right atrium and right ventricle
d) Right ventricle only
e) Left atrium and right ventricle
c) Right atrium and right ventricle
Which of the following blood vessel is used to distribute oxygenated blood to the
myocardium?
a) Coronary artery
b) Coronary vein
c) Coronary sinus
d) Vena cava
e) Myocardial vein
a) Coronary artery
Cardiac muscle fibers are electrically connected to neighboring fibers by
a) desmosomes.
b) tight junctions.
c) gap junctions.
d) interneurons.
e) chordae tendinae.
c) gap junctions.
Which of the following type of muscle contains the largest number of
mitochondria per cell?
a) Smooth muscle
b) Skeletal muscle
c) Cardiac muscle
d) All the muscle types contain approximately the same number.
e) Mitochondria are not found in muscle cells.
c) Cardiac muscle
Which network of specialized cardiac muscle fibers provide a path for each cycle
of cardiac
excitation to progress through the heart?
a) Systemic circuit
b) Intercalated discs
c) Cardiovascular center
d) Cardiac conduction system
e) Pulmonary circuit
d) Cardiac conduction system
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