Set 1.3 Flashcards
The union of two triangular ridges resulting in a single ridge is
A. Cusp ridge
B. Marginal ridge
C. Proximal ridge
D. Transverse ridge
D. Transverse ridge
The oblique ridge of the permanent maxillary first molar is
A. Mesiofacial and mesiolingual cusps
B. Mesiolingual and distolingual cusps
C. Mesiofacial and distofacial cusps
D. Mesiolingual and distofacial cusps
D. Mesiolingual and distofacial cusps
What is the measurement of the freeway space?
A. 1-2 mm
B. 3-6 mm
C. 2-4 mm
D. 2-6 mm
C. 2-4 mm
Part of the interdental gingiva that connects the buccal and lingual peaks
A. Escarpment
B. Col
C. Ramp
D. Pacada
B. Col
Tooth 51 and 61 (primary central incisors) usually shed at what age?
A. 1- 1 ½ y.o.
B. 1 ½- 2 y.o.
C. 2-3 y.o.
D. 6-7 y.o.
D. 6-7 y.o.
On average, how much root structure must be formed before a tooth erupts?
A. 0%-33%
B. 33%-49%
C. 50%-66%
D. 67%-75%
C. 50%-66%
How many embrasures are present per contact area?
A. 1
B. 2
C. 3
D. 4
D. 4
In addition to the liver, which of the following is the major site of glycogen storage?
A. Brain
B. Spleen
C. Smooth muscle
D. Skeletal muscle
D. Skeletal muscle
The marginal ridges are more prominent on the lingual surface of
A. Maxillary centrals
B. Maxillary laterals
C. Mandibular centrals
D. Mandibular laterals
B. Maxillary laterals
Ingestion of which of the following most markedly
decreases gastric emptying?
A. Carbohydrates
B. Fats
C. Protein
D. Water
B. Fats
The highest and sharpest cusp of the deciduous
mandibular first molar is the:
A. Mesiolingual
B. Distolingual
C. Distobuccal
D. Distal
A. Mesiolingual
When viewed from the buccal and lingual aspect,
the crowns of all mandibular and maxillary
incisors appears to have a :
A. Triangular Outline
B. Rhomboidal Outline
C. Trapezoidal Outline
D. Rectangular Outline
C. Trapezoidal Outline
Which tooth may have a pulp chamber that is
somewhat triangular as opposed to oval?
A. Mx. Central incisor
B. Mx. Lateral incisor
C. Md. Central incisor
D. Md. Lateral incisor
A. Mx. Central incisor
Which of the following bones forms the roof of
the orbit?
A. Zygomatic
B. Maxilla
C. Frontal
D. Palatine
C. Frontal
Which muscle may be paralyzed as a result of
compression of the facial nerve?
A. Anterior belly of digastric
B. Geniohyoid
C. Stapedius
D. Masseter
C. Stapedius
Which of the following cell types located at the
fundus of the stomach produced hydrochloric
acid?
A. Parietal cells
B. G cells
C. Mucus cells
D. Chief cells
A. Parietal cells
Alpha cells of the hypophysis secrete
A. Glucagon
B. Thyroxin
C. Sex hormone
D. Growth hormone
D. Growth hormone
Hormone that facilitates reabsorption of sodium
in renal tubules
A. Cortisone
B. Aldosterone
C. Vasopressin
D. Parathyroid hormone
B. Aldosterone
Minimum number of lobes in the development of
human tooth
A. 2
B. 3
C. 4
D. 5
C. 4
Which of the following alterations in gastric
function would result from bilateral vagotomy?
A. Increase in gastric secretion
B. Decrease in production of hci and increase in production of pepsin
C. No effect on gastric secretion
D. Abolition of the cephalic phase of gastric
secretion
D. Abolition of the cephalic phase of gastric secretion
An action potential in a nerve fiber is considered to be related to:
A. The changed orientation of molecules in the membrane giving rise to a static potential difference
B. The entry of sodium ion followed by the exit of potassium ion
C. A breakdown of metabolic products resulting in different concentrations of potassium across the membrane
D. The flow of electrons across the membrane following change in membrane permeability
B. The entry of sodium ion followed by the exit of potassium ion
The blood pressure in the aorta is lowest?
A. At the end of ventricular systole
B. At the end of ventricular diastole
C. At the end of isometric contraction in the
ventricle
D. When the second heart sound occurs at the beginning of ejection of blood from the
auricles.
C. At the end of isometric contraction in the ventricle
Mylohyoid ridge is found on which portion of the
mandible
A. Coronoid
B. Body
C. Ramus
D. Condyle
B. Body
Sweat glands are governed by
A. Sympathetic nerves
B. Parasympathetic nerves
C. Central nervous system
D. Peripheral nervous system
A. Sympathetic nerves
Which portion of the nervous system contains the cardiac, vomiting and vasomotor centers?
A. Medulla
B. Thalamus
C. Cerebrum
D. Cervical region of the spinal cord
C. Cerebrum
The organ that is most dependent on a constant
supply of oxygen is
A. Kidney
B. Liver
C. Brain
D. Thyroid
C. Brain
Fertilization occurs in the
A. Uterine tubes
B. Ovary
C. Graafian follicles
D. Vagina
A. Uterine tubes
Which of the following disorder is characterized
by uncontrollable episodes of falling sleep during
the day?
A. Dyslexia
B. Epilepsy
C. Hydrocephalus
D. Narcolepsy
D. Narcolepsy
Involution of the thymus would occur following
which year in a healthy individual?
A. At birth
B. 3 years old
C. 7 years old
D. 12 years old
D. 12 years old
The most important function of hydrochloric acid
in the stomach is
A. Activation of pepsinogen
B. Neutralization of chime
C. Stimulation of pancreatic secretion
D. Hydrolysis of protein
A. Activation of pepsinogen
Which of the following pattern of net flux ions is
true during depolarization of action potential in
nerve axon
A. Na in, K in, Cl out
B. Na out, K in, Cl in
C. Na in, K out, Cl in
D. Na out, K out, Cl out
C. Na in, K out, Cl in
First heart sound begins during
A. PR segment
B. PR interval
C. QRS complex
D. ST segment
D. ST segment
Which of the following is a large bone superior to
the patella and inferior to the ischium?
A. Calcaneus
B. Femur
C. Tibia
D. Ulna
B. Femur
The point at which an impulse is transmitted from
one neuron to another is called the
A. Dendrite
B. Glial cell
C. Synapse
D. Terminal plate
C. Synapse
Teeth used for tearing and piercing food
A. Incisors
B. Canines
C. Premolars
D. Molars
B. Canines
The first permanent tooth to erupt in general
A. Md central molars
B. Mx central molars
C. Md central incisors
D. Mx central incisors
A. Md central molars
The permanent dentition has ____ teeth in total
A. 28
B. 32
C. 36
D. 300+
B. 32
The largest portion of the brain
A. Cerebrum
B. Cerebellum
C. Diencephalon
D. Brain stem
A. Cerebrum
A flexible muscular organ that connects the
pharynx and the stomach
A. Trachea
B. Larynx
C. Esophagus
D. Epiglottis
C. Esophagus
_are formed by the articulation of two
cranial bones.
A. Syndesmoses
B. Symphyses
C. Synchondroses
D. Sutures
D. Sutures
The primary sensory innervation of the TMJ is
A. CN V
B. CN VII
C. CN VIII
D. CN X
A. CN V
The premolar with the occlusal groove pattern
that simulate the letter “Y” is
A. Mx first
B. Mx second
C. Md first
D. Md second
D. Md second
Muscles of mastication include the following
EXCEPT
A. Masseter
B. Tongue
C. Medial pterygoid
D. Lateral pterygoid
B. Tongue
Functions of the synovial fluid
A. Nutrition
B. Lubrication of the joint
C. Prevents wear and tear
D. All of the above
D. All of the above
Term for sustained contraction of muscle
A. Tonus
B. Twitch
C. Tetany
D. None of the above
C. Tetany
The tooth with the widest mesiodistal dimension:
A. Maxillary central
B. Maxillary canine
C. Maxillary lateral
D. Mandibular canine
A. Maxillary central
The process whereby the organic framework of
the tooth hardens
A. Exfoliation
B. Calcification
C. Eruption
D. Emergence
B. Calcification
This substance causes muscle fatigue
A. Creatinine
B. Troponin
C. Acetylcholine
D. Lactic acid
D. Lactic acid
Which of the following clotting factors is also
known as the Stuart-Prower factor?
A. Factor X
B. Factor XII
C. Factor VII
D. Factor IX
A. Factor X
Which of the following gas is the most abundant
in the environment?
A. Carbon Dioxide
B. Oxygen
C. Hydrogen
D. Nitrogen
D. Nitrogen
Which of the following muscles aids in forceful
expiration?
A. Serratus posterior superior
B. Scalene muscles
C. Rectus abdominis
D. Serratus posterior inferior
C. Rectus abdominis
The right lungs has _ lobes
A. 2
B. 3
C. 4
D. None
B. 3
Which of the following is not a retroperitoneal
structure?
A. Pancreas
B. Kidneys
C. Transverse colon
D. Ureters
C. Transverse colon
The deepest layer of the epidermis is the
A. Stratum corneum
B. Stratum granulosum
C. Stratum spinosum
D. Stratum basale
D. Stratum basale
The pituitary gland is seated superiorly on which
sinus
A. Frontal
B. Maxillary
C. Anterior ethmoid
D. Sphenoid
D. Sphenoid
A tough extremely strong fibrous protein whjch
gives connective tissue strength is
A. Collagen
B. Elastin
C. Hyaline
D. Cortical
A. Collagen
Hematocrit is the percentage of _ to the
total blood volume
A. RBC
B. WBC
C. Plasma cells
D. Platelets
A. RBC
In the human body, nails are made up of
A. Melanin
B. Keratin
C. Enamel
D. Cartilage
B. Keratin
The greater tubercle is located in
A. Humerus
B. Radius
C. Ulna
D. Femur
A. Humerus
The major portion of the coxal bone is
A. Pubis
B. Ischium
C. Ilium
D. Sacrum
C. Ilium
The foramen magnum passes through the
A. Atlas
B. Axis
C. Temporal bone
D. Occipital bone
D. Occipital bone
Neurotransmitters are stored within
A. Motor end plates
B. Synaptic clefts
C. Motor units
D. Motor neuron endings
D. Motor neuron endings
Which of the following is a depression on the
bone?
A. Fossa
B. Epicondyle
C. Head
D. Spine
A. Fossa
Which of the following is found in the dermis?
A. Stratum corneum
B. Adipose cells
C. Melanocytes
D. Pain and touch receptors
D. Pain and touch receptors
The mastoid process is a landmark on the
A. Ethmoid bone
B. Parietal bone
C. Temporal bone
D. Frontal bone
C. Temporal bone
To produce horizontal wrinkles on the forehead,
which of the following muscle is involved
A. Buccinators
B. Masseter
C. Frontalis
D. Temporalis
C. Frontalis
What is the first threat to life from a massive
third-degree burn
A. Infection
B. Unbearable pain
C. Loss of immune function
D. Dehydration
D. Dehydration
Which of the following homeostatic imbalances is
caused by a virus
A. Cold sores
B. Contact dermatitis
C. Impetigo
D. Cyanosis
A. Cold sores
Spasms of this strap-like muscle often results ib
torticollis
A. Zygomaticus
B. Sternocleidomastoid
C. Masseter
D. Serratus anterior
B. Sternocleidomastoid
Although you get wet while swimming, a tough
protein within skin prevents it from soaking up
moisture like a sponge. This substance is
A. Melanin
B. Carotene
C. Keratin
D. Mucus
C. Keratin
The small cavities in bone tissues where
osteocytes are found are called
A. Lacunae
B. Haversian canal
C. Trabeculae
D. Volkmann’s canal
A. Lacunae
The presence of epiphyseal plate indicates that
A. Bone length is no longer increasing
B. Bone diameter is increasing
C. Bone length is increasing
D. Bone is dead
C. Bone length is increasing
The skin is
A. Synovial membrane
B. Basement membrane
C. Serous membrane
D. Cutaneous membrane
D. Cutaneous membrane
While doing jumping jacks during an exercise,
your arms and legs move away from the body
midline of your body. This motion is called
A. Extension
B. Circumduction
C. Adduction
D. Abduction
D. Abduction
All of the following facial bones are paired except
one. Which of the following is the unpaired facial
bone
A. Maxillae
B. Vomer
C. Palatine
D. Lacrimal
B. Vomer
A muscle group that works with and assists the
action of prime mover is a(n)
A. Antagonist and fixator
B. Antagonist only
C. Synergist only
D. Fixator only
C. Synergist only
The secretion of sebum is stimulated by
A. By hormones, specially male sex hormones
B. As a protective coating when one is swimming
C. By high temperatures
D. When the air temperature drops
A. By hormones, specially male sex hormones
Mucous membrane are located
A. Lining the abdominal wall
B. Lining the stomach
C. Covering the brain
D. Covering the heart
B. Lining the stomach
Acne is a disorder associated with inflammation of
A. Sudoriferous glands
B. Apocrine glands
C. Sebaceous glands
D. Hair follicles
C. Sebaceous glands
A muscle located on the dorsal side of the body
A. Rectus femoris
B. Pectoralis major
C. External intercostals
D. Trapezius
D. Trapezius
The mandibular “primate space” is usually found
in the primary dentition between:
A. Central incisors
B. Canine and first molar
C. Central and lateral incisors
D. First and second molar.
B. Canine and first molar
With respect to their permanent successors, the
sum of the mesiodistal diameters of the first and
second deciduous molars is, generally:
A. Less
B. Greater
C. Not Related
D. Constant
B. Greater
Which of the following permanent teeth would be
expected to have the most variable occlusal
anatomy?
A. Maxillary lateral incisor
B. Maxillary third molar
C. Maxillary second premolar
D. Mandibular first molar
B. Maxillary third molar
Which of the following features would be an aid in
distinguishing a maxillary lateral incisor from a
mandibular lateral incisor?
A. Flattened root of the maxillary lateral
B. Sharper incisal angles of the maxillary lateral
C. More pronounced lingual fossa of the
maxillary lateral
D. Thinness of the incisal ridge of the maxillary
lateral
C. More pronounced lingual fossa of the
maxillary lateral
The region that contains the navel is the
A. Orbital region
B. Anterior knee
C. Umbilical region
D. Carpal region
C. Umbilical region
The urethra is one of the organs in the
A. Female reproductive system
B. Urinary system
C. Endocrine system
D. Nervous system
B. Urinary system
The type of solution that is given to a patient with
fluid retention is
A. Hypertonic solution
B. Hypotonic solution
C. 5% dextrose
D. 0.18% nacl solution
A. Hypertonic solution
Carbohydrates are stored in the liver and muscles
in the form of
A. Glucose
B. Functional protein
C. Glycogen
D. Cholesterol
C. Glycogen
The ovary is part of which of the ff two systems
A. Reproductive and respiratory system
B. Endocrine and respiratory system
C. Digestive and reproductive system
D. Reproductive and endocrine system
D. Reproductive and endocrine system
Osmosis does not involve
A. A differentially permeable membrane
B. Diffusion of solvent
C. Diffusion of solute
D. A difference in water concentrations
C. Diffusion of solute
The tissue that is usually well vascularized and has
an extensive intercellular matrix
A. Connective tissue
B. Nervous system
C. Muscle tissue
D. Brain tissue
A. Connective tissue
The organic compounds that function in building
tissues and acting as enzymes are the
A. Carbohydrates
B. Nucleic acids
C. Proteins
D. Lipids
C. Proteins
Goblet cells are found in
A. Simple columnar epithelium
B. Stratified squamous epithelium
C. Transitional epithelium
D. Simple squamous epithelium
A. Simple columnar epithelium
All of the following are found in the nucleus,
EXCEPT
A. Nucleolus
B. Chromatin
C. DNA
D. Centrioles
D. Centrioles
The type of muscle tissue that is found in the
walls of the blood vessels
A. Cardiac and skeletal muscle
B. Cardiac muscle only
C. Skeletal muscle only
D. Smooth muscle only
D. Smooth muscle only
A section that divides the body on the longitudinal
plane into the right and left parts
A. Transverse
B. Sagittal
C. Oblique
D. Coronal
B. Sagittal
Cranial nerve that supplies the periodontium
A. VII
B. IX
C. V
D. X
C. V
Breaking up of sound and modification of sound
coming from the larynx :
A. Respiration
B. Resonance
C. Phonation
D. Articulation
D. Articulation
Process by which sound is intensified:
A. Respiration
B. Resonance
C. Phonation
D. Articulation
B. Resonance
Phase of chewing accomplished by the action
of the digastric and mylohyoid muscle with the
help of gravity:
A. Opening
B. Occlusion
C. Closing
D. All of these
A. Opening
