WITH VERIFIED ANSWERS LATEST
VERSION 2025/2026
when the ventricle is in systole - ANSWER✔️The tricuspid valve is closed
the common iliac arteries - ANSWER✔️The abdominal aorta divides at its distal end into
which arteries?
red blood cells - ANSWER✔️The most common formed elements in the blood are
left atrium - ANSWER✔️The heart chamber that receives oxygenated blood from the
pulmonary veins
superior vena cava - ANSWER✔️a drop of blood returning to the heart from the head
region would enter the heart through which vessel?
pulmonary vein - ANSWER✔️Which of the following vessels does not carry oxygen-poor
blood to the heart?
anemia - ANSWER✔️____is a condition in which the blood's capacity for carrying
oxygen is diminish
papillary muscles - ANSWER✔️Contraction of theses structures tightens the chordae
tendineae, preventing valve prolapse
the spleen - ANSWER✔️The largest lymphatic organ
chordae tendineae - ANSWER✔️threadlike structures of the endocardium that prevent
prolapse of the atrioventricular valves
, pectinate muscles - ANSWER✔️Which of the following structures if not found in the left
ventricle?
frontal from parietal - ANSWER✔️The central sulcus separates which lobes?
a) frontal from parietal
b) occipital from parietal
c) temporal and occipital
d) occipital and frontal
gyri - ANSWER✔️Ridges of tissue on the surface of the cerebral hemispheres are called
_______ .
a) sulci
b) shallow groves
c) gyri
d) auditory cortex
tympanic membrane - ANSWER✔️Which structure is a thin, semitransparent connective
tissue sheet that separates the external ear from the middle ear?
a) cochlea
b) tympanic membrane
c) oval window
d) external acoustic meatus
facial nerve - ANSWER✔️Gustatory information from the anterior 2/3 of the tongue is
carried to the gustatory cortex of the cerebrum via which cranial nerve?
a) hypoglossal nerve
b) facial nerve
c) cranial root
d) spinal root
Sympathetic division - ANSWER✔️Preparing the body for "fight-or-flight" response is the
role of the ______.
cerebral aqueduct - ANSWER✔️Which structure connects the third ventricle with the
fourth ventricle?
a) cerebral aqueduct
b) longitudinal fissure
c) central fissure
d) central sulcus
,parasympathetic postganglionic fibers; release NE - ANSWER✔️Which of the following
is mismatched?
a.) parasympathetic postganglionic fibers; release NE
b.) sympathetic preganglionic fibers; release ACh
c.) parasympathetic preganglionic fibers; release ACh
d.) sympathetic postganglionic fibers; release NE
lateral sulcus - ANSWER✔️The frontal lobe is separated from the temporal lobe by the
______ .
a) lateral cerebral sulcus
b) transverse fissure
c) lateral sulcus
d) parieto-occipital sulcus
conjunctiva - ANSWER✔️The epithelium covering the inner surface of the eyelids and
the outer surface of the eye is called the _____.
a) tarsal plate
b) conjunctiva
c) retina
d) fovea
corpus callosum - ANSWER✔️The large commissure that connects the right and left
sides of the brain is called the ______ .
a) superior colliculus
b) pituitary gland
c) cerebellum
d) corpus callosum
falx cerebri - ANSWER✔️Which of the following is a dural septum, described as a large
sickle-shaped fold that dips into the longitudinal fissure between the cerebral
hemispheres?
a) corpus callosum
b) falx cerebri
c) cerebellum
d) occipital lobe
When the ventricle is in systole - ANSWER✔️The tricuspid valve is closed
Pulmonary semilunar valve - ANSWER✔️The valve responsible for preventing backflow
of blood from the lungs into the heart
, Chordea tendineae - ANSWER✔️Threadlike structures of the endocardium that prevent
prolapse of the atrioventricular valves
Ductus arteriosus - ANSWER✔️What vessel in the fetus connects the pulmonary trunk
to the aortic arch so that most of the blood bypasses the immature lungs?
Erythrocytes - ANSWER✔️Which of the following cells lack mitochondria?
The pectinate muscles - ANSWER✔️Which of the following structures is not found in the
left ventricle?
The pulmonary vein - ANSWER✔️What of the following vessels does not carry oxygen-
poor blood to the heart?
Anemia - ANSWER✔️is a condition in which the blood's capacity for carrying oxygen is
diminished.
Polycythemia - ANSWER✔️is a condition in which there is an abnormal excess of
erythrocytes in the blood.
Thrombocytopenia - ANSWER✔️_______is a condition in which there is an abnormally
low concentration of platelets in the blood.
pharyngotympanic tube - ANSWER✔️Which of the following structure is not part of the
external ear?
A) pinna
B) external auditory meatus
C) tympanic membrane
D) pharyngotympanic tube
midbrain, medulla, and pons - ANSWER✔️The brain stem consists of the ______ .
a) pons, medulla, cerebellum, and midbrain
b) cerebellum, midbrain, and pons
c) medulla and midbrain
d) midbrain, medulla, and pons
midbrain - ANSWER✔️The corpora quadrigemina are found in the _______.
medulla oblongata - ANSWER✔️The vital centers for the control of heart rate,
respiration, and blood pressure are located in the ________.
a) medulla oblongata