The Dental Hygienist Competency Exam! Quiz assesses key physiological and biological concepts crucial for dental hygiene. It covers topics like homeostasis, cellular functions, and fluid balance, essential for aspiring dental hygienists.
Stimulates growth and secretion of a specific glandular tissue
Acts by positive feedback control
Is produced by the gonads
Two of the above
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Pulmonary valve
Right atrioventricular valve
Pulmonary artery
Coronary arteries
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Atmospheric air
Expired air
Venous blood
Intestitial fluid
Intracellular fluid
An efferent neuron
A motor unit
A motor end plate
A sarcoplasmic reticulum
An annulospiral ending
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Decreased blood pressure
Decrease blood pH
Increased PCO2 of arterial blood
Decreased PO2 of arterial blood
Metabolic alkalosis
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Caniculi
Lamellae
Lacunae
Osteocytes
Periosteum
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Intrapleural pressure decreases while intraalveolar pressure increases
Both intrapleural and intra-alveolar pressure decrease
Intrapleural pressure increases while intraalveolar pressure decreases
Both intrapleural and intra-alveolar pressure increase
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Extracellular potassium levels
Extracellular sodium levels
Hyperosmolarity of extracellular fluids
Hypo-osmolarity of extracellular fluids
Degree of hydration
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Peripheral resistance
Elasticity of arteries
Viscosity of blood
All of the above
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Preganglionic and postganglionic fibers of the sympathetic nervous system
Neuromyal junction
Postganglionic fibers of the sympathetic nervous system and the adrenal medulla
All of the above
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Promotes glucose entry into cells, therefore has a hypoglycemic effect
Promotes transport of amino acids into cells, therefore increases protein synthesis
Promotes transport of fatty acids into cells, therefore has a lipogenic effect
Promotes liver glycogenolysis, therefor has a hyperglycemic effect
Promotes potassium entry into cells, therefore has a hypokalemic effect
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Third through the fifth week
Fourth through the seventh week
Fourth through the eighth week
Eighth through the tenth week
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Summation
Threshold
Action potential
Facilitation
Refractory period
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Spastic paralysis
Sensory loss
Intention tremor
Tremor at rest
Loss of simple reflexes
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Myofibril
Myofilament
Fiber
Sarcoplasmic reticulum
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Norepinephrine
Epinephrine
Cholinesterase
Acetylcholine
Gamma-aminobutyric acid
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Diffusion and osmosis
Active transport
Osmotic forces and pressure gradients
Electrochemical gradients
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Osmosis
Facilitated diffusion
Active transport
Diffusion
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Loss of sensation
Loss of motor control
Loss of sensation and movement
Partial loss of sensation and movement
Loss of sensation, movement, and control of the degree of constriction of blood vessels
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Pelvis
Calyx
Cortex
Pyramids
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Chordae tendineae
Papillary muscle
Sinoatrial node
Purkinje system
Endocardium
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Ependymal cells
Oligodendrocytes
Microglia
Schwann cells
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Initiated in skin and referred to viscera or muscle
Initiated in viscera and referred to the contralateral dermatome
Due to converging the pain fibers with other sensory fibers in nuclei of the somesthetic cortex
Due to converging of pain fibers with other sensory fibers in the cord and thalamus
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Pulmonary and aortic valves
Pulmonary and right atrioventricular valves
Right and left atrioventricular valves
Aortic and left atrioventricular valves
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Anterior pituitary gland
Corpus luteum
Corpus albicans
Graafian follicles
Posterior pituitary gland
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Epithelial parts of the respiratory system
Epithelial parts of the gastrointestinal system
Epithelium in the mouth
Epithelium of the pharynx
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Serous membrane
Mucous membrane
Visceral membrane
Parietal membrane
Synovial membrane
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Autonomic nerves
Cerebral cortex
Effectors
Receptors
Synapses
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Trigeminal nerve
Abducens nerve
Facial nerve
Glossopharyngeal nerve
Vagus nerve
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Synarthrotic
Diarthrotic
Cartilagenous
Synphysis
Synchondroses
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Lateral corticospinal tract
Ventral corticospinal tract
Lateral reticulospinal tract
medial reticulospinal tract
Ectospinal tract
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Increases reabsorption of water in the distal tubule of the kidney
Increases reabsorption of sodium and secretion of potassium
Increases reabsorption of sodium and hydrogen ions
Decreases reabsorption of sodium in the proximal tubule
Increases reabsorption of glucose in the proximal tubule
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Regulation of hydrogen ion concentration
Regulation of body fluid volumes
Regulation of serum calcium levels
Regulation of serum sodium levels
Removal of urea, creatinine, and other metabolic end products
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Potentiates the effect of parathyroid hormone
Is secreted by the thyroid gland
Is released in response to excess serum calcium
All of the above
Only B and C are correct descriptions
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Volume of the lungs increases, pressure increases
Volume of the lungs decreases, pressure increases
Volume of the lungs increases, pressure decreases
Volume of the lungs decreases, pressure decreases
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Cerecellum
Trigeminal nucleus of the pons
The nucleus abiguus of the medulla
Hypoglossal nucleus of the pons
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Fibers are located in grey columns of the cord
Fibers come from neuron cell bodies located in the spinal cord
Fibers synapse with neurons in the cerebellar cortex
Fibers are descending fibers from the cells in the primary motor cortex of the frontal lobe
Nonfunctionng is one cause of loss of sensation
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Basophils
Erythrocytes
Lymphocytes
Monocytes
Neutrophils
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Epidermis
Nervous system
Adrenal medulla
Posterior lobe of the pituitary gland
Connective tissue
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It damages T4 lymphocytes
It weakens the immune system in ways that allow opportunistic infections to kill the person that is infected
HIV is an unstable virus and can be killed by Lysol tm, Chlorox tm, and proper sterilization methods
If a person tests HIV negative, their blood and body fluids will contain the virus
Most scientists think that if a person tests positive for HIV-1 antibodies that they will eventually develop AIDS
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Catalyze intracellular biochemical reactions
Enter into chemical reactions without being degraded or depleted
Are chemical substances that are produced by endocrine glands, travel through the circulatory system, and exert their influence on specific structures
All of the above
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Dilate because it is a parasympathetic response
Dilate because it is a sympathetic response
Constrict because this is the sympathetic response
No change in the pupil will be experienced
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Stratified squamous epithelium
Endothelium
Mesothelium
Transitional epithelium
Pseudostratified columnar epithelium
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As oxyhemoglobin
Dissolved in plasma
As carbaminohemoglobin
Both A and B
Both A and C
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Splitting large chemical compounds in foods into simpler substances that can be absorbed
Absorption of small molecular weight end products into body fluids
Hydrolysis
Only A and C
Only B and C
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Increased blood pressure
Increases gastrointestinal activity
Relaxation of smooth muscles in bronchi
A and C
B and C
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Epinephrine
Norepinephrine
Cortisone
Thyroxin
Adrenocorticotropin
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Fibrinogen
Alpha and beta globulin
Gamma globulin
Albumin
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Quiz Review Timeline (Updated): Mar 20, 2023 +
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