BIO 250 Final 2021 questions and answers
latest
Serves the senses of hearing and equilibrium .
ANS: Vestibulocochlear
C1 spinal nerve emerges between the first and second cervical vertebrae .
ANS: False
What is the structure that covers individual neuron called? (Wrong spelling, wrong answer)
ANS: endometrium
Striking the "funny bone" (ulnar nerve) may cause injury to a nerve of this plexus.
ANS: Brachial plexus
A fracture of the ethmoid bone could result in damage to which cranial nerve?
ANS: olfactory
A patient who received a blow to the side of the skull exhibits the following signs and symptoms on
that side of the face: he is unable to close his eye, and the corner of his mouth droops. Which cranial
nerve has been damaged?
ANS: facial
A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus.
ANS: Sacral plexus
There are three layers of neurons in the retina. The axons of which of these neuron layers form the
optic nerves?
ANS: ganglion cells
The receptor membranes of gustatory cells are ________.
ANS: gustatory hairs
Select the correct statement about olfaction.
ANS: Some of the sensation of olfaction is actually one of pain.
Preparing the body for the "fight-or-flight" response is the role of the ________.
ANS: sympathetic nervous system
The "resting and digesting" division of the autonomic nervous system is the ________.
ANS: parasympathetic division
Control of temperature, endocrine activity, and thirst are functions associated with the
________.ANS: hypothalamus
Light passes through the following structures in which order?
ANS: cornea, aqueous humor, lens, vitreous humor
, The spinal nerves that make up the Brachial Plexus consists of the following.
ANS: C5-C8 & T1
The major targets of growth hormone are ________.
ANS: bones and skeletal muscles
Which organ is responsible for synthesizing ANP?
ANS: the heart
The single most important regulator of calcium levels in the blood is ________.
ANS: parathyroid hormone
Aldosterone ________.
ANS: functions to increase sodium reabsorption
Which of the choices below is the parent cell for all formed elements of blood?
ANS: hemocytoblast
No visible cytoplasmic granules are present in ________.
ANS: monocytes
A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large
pale cells called mastocytes, is characteristic of ________.
ANS: pernicious anemia
Which of the following is characteristic of all leukocytes?
ANS: They are nucleated.
A foramen oval ________.
ANS: connects the two atria in the fetal heart
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
________.
ANS: noticing the thickness of the ventricle walls
MATCHING: Match the following figure with the correct part/s of the part. Choices are use once or
not-at-all.
ANS: Tricuspid valve. B
Correct! Left ventricle. E
Correct! Pulmonary veins. C
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
________.
ANS: noticing the thickness of the ventricle walls
Compared to skeletal muscle, cardiac muscle ________.
ANS: has gap junctions that allow it to act as a functional syncytium
Prevents backflow into the left ventricle.
latest
Serves the senses of hearing and equilibrium .
ANS: Vestibulocochlear
C1 spinal nerve emerges between the first and second cervical vertebrae .
ANS: False
What is the structure that covers individual neuron called? (Wrong spelling, wrong answer)
ANS: endometrium
Striking the "funny bone" (ulnar nerve) may cause injury to a nerve of this plexus.
ANS: Brachial plexus
A fracture of the ethmoid bone could result in damage to which cranial nerve?
ANS: olfactory
A patient who received a blow to the side of the skull exhibits the following signs and symptoms on
that side of the face: he is unable to close his eye, and the corner of his mouth droops. Which cranial
nerve has been damaged?
ANS: facial
A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus.
ANS: Sacral plexus
There are three layers of neurons in the retina. The axons of which of these neuron layers form the
optic nerves?
ANS: ganglion cells
The receptor membranes of gustatory cells are ________.
ANS: gustatory hairs
Select the correct statement about olfaction.
ANS: Some of the sensation of olfaction is actually one of pain.
Preparing the body for the "fight-or-flight" response is the role of the ________.
ANS: sympathetic nervous system
The "resting and digesting" division of the autonomic nervous system is the ________.
ANS: parasympathetic division
Control of temperature, endocrine activity, and thirst are functions associated with the
________.ANS: hypothalamus
Light passes through the following structures in which order?
ANS: cornea, aqueous humor, lens, vitreous humor
, The spinal nerves that make up the Brachial Plexus consists of the following.
ANS: C5-C8 & T1
The major targets of growth hormone are ________.
ANS: bones and skeletal muscles
Which organ is responsible for synthesizing ANP?
ANS: the heart
The single most important regulator of calcium levels in the blood is ________.
ANS: parathyroid hormone
Aldosterone ________.
ANS: functions to increase sodium reabsorption
Which of the choices below is the parent cell for all formed elements of blood?
ANS: hemocytoblast
No visible cytoplasmic granules are present in ________.
ANS: monocytes
A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large
pale cells called mastocytes, is characteristic of ________.
ANS: pernicious anemia
Which of the following is characteristic of all leukocytes?
ANS: They are nucleated.
A foramen oval ________.
ANS: connects the two atria in the fetal heart
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
________.
ANS: noticing the thickness of the ventricle walls
MATCHING: Match the following figure with the correct part/s of the part. Choices are use once or
not-at-all.
ANS: Tricuspid valve. B
Correct! Left ventricle. E
Correct! Pulmonary veins. C
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
________.
ANS: noticing the thickness of the ventricle walls
Compared to skeletal muscle, cardiac muscle ________.
ANS: has gap junctions that allow it to act as a functional syncytium
Prevents backflow into the left ventricle.
