Chiro Board Review App Flashcards
A lower motor neuron lesion extends from the _____ to the _____
Spinal cord, effector
Alkaloids are detected by which tastes sensations?
Bitter
Ammonia is carried in the bloodstream by?
Glutamine
An increase in thyroid hormone would result in which of the following?
Increased fat metabolism
Destruction of what area results in the inability to formulate sentances?
Broca’s area
During the resting phase of a neuron what is secreted?
Na+ out
How is glucose transported within the presence of a carrier protein channels?
Facilitated diffusion
Laminar blood flow is characterized by?
Parabolic velocity profile
Lymphatic tissue is predominantly found in?
Skin & gut
Neurons which mediate conscious control over single muscle groups are located in the?
Pre-motor Cortex
Node to node conduction best describes?
Saltatory conduction
Osmoreceptors are located in?
Hypothalamus
Pre-ganglionic sympathetic fibers arise from what part of the spinal cord?
Intermediolateral
Proprioceptive fibers for sensory information from joints, tendons, muscles & ligaments are carried by what ascending tract?
Spinocerebellar
Protein metabolism can best be measured through?
Urea in the urine
Saltatory conduction is described as conduction or an action potential through which type of fiber?
Myelinated nerve fber
Secretin causes release of?
Bicarbonate
Stimulation of baroreceptors cause an increase in?
Vagal stimulation of the heart
Stimulation of gut smooth muscle by the sympathetic nervous system causes?
Hyperpolarization & Decreased function
Systemic circulation differs from pulmonic circulation in that it has a _____ pressure and a _____ resistance to flow?
Higher, higher
The absolute refractory period is responsible for which of the following?
To prevent tetany
The action of norepinephrine of the SA node is mediated by what type of transmembrane reaction?
Ca2+
The air remaining in the lungs after maximal expiration is known as?
Residual volume
The amount of air left in the lung after maximal forced expiration is called what volume?
Residual
The autorhythmicity of the heart is contolled by?
SA node
The bodies primary response to rapid hemorrhage with blood loss is?
Increase renin production of the JG cells
The chemosensitive area of the medulla oblongata is most sensitive to?
H ions
The descending pain modular system specifically inhibits which of the following?
Internal C fiber in the horn
The greatest increase in peripheral vascular restriction in response to wide spread sympathetic stimulation is going to effect which tissue?
Cutaneous
The greatest percent infiltrated water is reabsorbed in the?
Proximal tubule
The greatest percent of filtrated water is resorbed in the?
Proximal tubule
The Hering-Brewer reflex is initiated by which of the following?
Stretch receptors & the lungs and bronchioles
The majority of acetylcholine is removed from the sympathetic cleft by?
Enzymatic degradation
The net amount of tension developed in skeletal muscle is determined by?
Number of motor neurons recruited
The release of a hormone from the anterior pituitary will stimulate the release of?
Thyroxine
The release of which of the following hormones is necessary for ovulation to occur?
LH
The respiratory system control in the brain stem is most strongly influenced by?
CO2 concentration in blood
The role of the troponin-tropomyosin complex in skeletal muscle is?
Inhibit cross-bridge formation
The stomach secretes which of the following substances?
Gastrin
The sucking reflex stimulates the release of which of the following from the posterior pituitary?
Oxytocin
Thermostatic variation is recognized by which area of the CNS?
Anterior hypothalamus
What chemical produces hyperpolarization reactions in humans?
Potassium
What is the function of an inhibitory neurotransmitter?
Activates calcium channels
What is the pituitary hormone involved in the secretory phase of menstruation?
LH
When exercising a muscle which of the following does not cause a muscle to shorten?
Isometric
When you come in contact with a cold object heat is lost by which of the following means?
Conduction
Where is the somatosensory area of the brain located?
Parietal Lobe
Which area of the brain coordinates vountary eye movement?
Frontal
Which has the largest lung volume?
Vital capacity
Which hormone is released during long-term stress?
Cortisol
Which hormone is responsible for producing milk?
Prolactin
Which is the greatest amount of resistance in the periphery?
Capillaries
Which neurotransmitter is released at the postganglionic sympathetics?
Norepinephrine
Which of the following causes contraction of the gallbladder?
Cholecystokinin
Which of the following conditions is most likely to cause edema?
Increased venous pressure
Which of the following connective tissues is derived from monocytes?
Macrophages
Which of the following does not have a role in regulating blood sugar?
Leutenizing Hormone
Which of the following does not promote the secretion of Glucose?
Acetylcholine
Which of the following increases gastric mobility?
Gastrin
Which of the following is a charachteristic of smooth muscle?
Actin
Which of the following is a rapidly adapting receptor?
Pacinian corpuslce
Which of the following is increased in fast muscle fibers?
Concentration of glycotic enzymes
Which of the following is most apt to produce the lowest renal filtration faction for glucose?
Hypoglycemia
Which of the following is not involved in smooth muscle contraction?
Voluntary motor stimulation
Which of the following is secreted from the follicular stage of the menstrual cycle?
Estradiol
Which of the following is the integrated system of the spinal cord?
Cerebral motor cortex
Which of the following is the primary factor in long-term altered blood pressure?
Blood volume
Which of the following is the stimulus to activate the flexor/withdraw response?
Pain
Which of the following most efficiently causes loss of body heat when compared to ambient heat?
Radiation
Which of the following structures is not involved in the light reflex?
Lateral geniculate
Which of the following substances is not a catecholamine?
Acetylcholine
Which substance made by the kidney is responsible for oxygen carrying capacity of the blood?
Erythropoietin