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Rylie Shared "physiology unit 4" - 17 Picmonics

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physiology unit 4

Motor Neuron Signs UMN and LMN
Upper Motor Neuron (Increases)
Increased DTRs
Positive Babinski
Spastic Paralysis
Clasp-Knife Reaction
Lower Motor Neuron (Decreases)
Decreased DTRs
Negative Babinski
Flaccid Paralysis
Muscle Atrophy
Fasciculations
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2 mins
Somatic Reflex Arc
Spinal Cord
Sensory (Afferent) Neuron
Interneurons Transmit
Motor (Efferent) Neuron
Effector Targets
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1 min
Peptide Hormones
Characteristics
Fast-Acting and Short-Lived
Bind To Cell Membrane Receptors
Stimulate Secondary Messengers
Amino Acid-Derived
Examples
Insulin
Parathyroid Hormone (PTH)
Vasopressin
Oxytocin
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2 mins
Steroid Hormones
Characteristics
Nuclear Membrane
Long-Lived and Slow-Acting
Cholesterol-Derived
Intracellular Receptors
DNA Transcription
Examples
Testosterone
Aldosterone
Estrogen
Cortisol
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2 mins
Ovulatory Hormones I - Follicular Phase
Characteristics
0-14 Days
GnRH Stimulates FSH and LH
Follicle Secretes Estrogen
Negative Feedback from Estrogen
Increased Estrogen Leads to Positive Feedback
FSH and LH Surge
LH Spike Leads to Ovulation
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2 mins
Ovulatory Hormones II - Luteal Phase
Days 15-28
Corpus Luteum
Secretes Progesterone
Negative Feedback inhibits FSH and LH
No pregnancy forms Corpus Albicans
Stops Estrogen Secretion
Endometrial Sloughing - Menses
GnRH secretion produces new follicular phase
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2 mins
Oxytocin (Pitocin)
Mechanism of Action
Increase Uterine Contractions
Indications
Labor Induction
Control Postpartum Hemorrhage
Side Effects
Uterine Rupture
Water Intoxication
Contraindications
Fetal Lung Immaturity
Cervix Not Ripened
Active Genital Herpes Infection
Considerations
Use Lowest Dose
IV Pump
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3 mins
Hypothalamus
Characteristics
Anterior Pituitary Stimulated Through the Hypophyseal Portal
GHRH
GnRH
TRH
PIF
CRF Released During Stress
Posterior Pituitary Stimulated Through Neural Control
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3 mins
Anterior Pituitary
Characteristics
Hypothalamic Control
FLAT PeG Mnemonic
Tropic Hormones
Follicle-Stimulating Hormone (FSH)
Lutenizing Hormone (LH)
Adrenocorticotropic Hormone (ACTH)
Thyroid-Stimulating Hormone (TSH)
Direct Hormones
Prolactin (PRL)
Growth Hormone (GH)
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2 mins
Posterior Pituitary
Characteristics
Neuroendocrine Reflex Stimulation (By Hypothalamus)
Direct Hormones
Vasopressin
Increased Water Retention (In Kidneys)
Oxytocin
Increased Uterine Contraction
Mammary Glands Contraction
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2 mins
Hyperthyroidism Assessment
Assessment
Heat Intolerance
Exophthalmos
Warm, Moist Skin and Silky Hair
Tremors
Goiter
Diarrhea
Weight Loss
Tachycardia
Hypertension
Amenorrhea
Diagnosis
Decreased TSH with Elevated Free T4
Radioactive Iodine Uptake (RAIU)
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2 mins
Hypothyroidism Assessment
Assessment
Weight Gain - Edema
Lethargy
Cold Intolerance
Bradycardia
Hypertension
Brittle Nails and Dry Skin
Constipation
Goiter
Prolonged Menses
Slowed Thinking
Diagnostic Tests
Decreased Free T4
Increased TSH
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2 mins
Adrenal Gland (Basic)
Characteristics
Adrenal Cortex
RAAS Stimulates Aldosterone
CRF (CRH) acts on Anterior Pituitary Gland to Release ACTH
Cortisol Released
Androgens Released
Adrenal Medulla
Epinephrine & Norepinephrine
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2 mins
Adrenal Gland (Advanced)
Characteristics
Adrenal Cortex
Zona Glomerulosa
Aldosterone
Zona Fasciculata
Cortisol
Zona Reticularis
Androgens
Adrenal Medulla
Chromaffin Cells
Epinephrine & Norepinephrine
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2 mins
Spermatogenesis
Seminiferous Tubules
Sertoli Cells
Spermatogonia
Mitosis
Primary Spermatocyte
Meiosis I
Secondary Spermatocyte
Meiosis II
Spermatid
Spermatozoa
Acrosome
Flagellum
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2 mins
Oogenesis
Characteristics
Primary Oocytes From Birth
Meiosis I Once a Month
Secondary Oocyte Plus Polar Body
Frozen in Metaphase II, in Meiosis II
Ovulation
Fertilization by Sperm
Meiosis II
Ovum
Zygote Forms
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2 mins
Testes
Characteristics
FSH Stimulates Sertoli Cells
Inhibin B Release
LH Stimulates Leydig Cells
Leydig Cells Secrete Testosterone
Testosterone Causes Male Development
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2 mins

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