Acute Renal Failure and Fibrocystic Changes Quiz
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Questions and Answers

Which condition is associated with severe cases of acute renal failure?

  • Acidosis (correct)
  • Hypoglycemia
  • Anemia
  • Dehydration
  • During which stage of Acute Renal Failure (ARF) does the kidney lose most of its regulatory/excretory functions?

  • Initiating stage
  • Oliguric-anuric stage (correct)
  • Recovery stage
  • Diuretic stage
  • What is a potential consequence of hyperkalemia in patients experiencing acute renal failure?

  • Rapid recovery of kidney function
  • Improved glomerular filtration
  • Cardiac arrhythmias (correct)
  • Increased hydration levels
  • What happens during the diuretic stage of Acute Renal Failure?

    <p>Gradual return of glomerular filtration occurs (D)</p> Signup and view all the answers

    What percentage of death from acute renal failure occurs during the Oliguric-anuric phase?

    <p>25% (A)</p> Signup and view all the answers

    What proportion of menstruating women may exhibit signs of Fibrocystic Change (FCC)?

    <p>Approximately 50% (D)</p> Signup and view all the answers

    Which hormone is primarily believed to stimulate the development of Fibrocystic Change in the breasts?

    <p>Estrogen (A)</p> Signup and view all the answers

    Which of the following is NOT a type of change associated with Fibrocystic Change?

    <p>Malignant changes (D)</p> Signup and view all the answers

    What is a common symptom associated with Fibrocystic Change?

    <p>Breast tenderness (A)</p> Signup and view all the answers

    What type of breast mass is commonly associated with breast tumors based on the provided content?

    <p>Outline smooth, solid mobile circumcised mass (D)</p> Signup and view all the answers

    What is the third most prevalent gynecological cancer?

    <p>Cervical cancer (B)</p> Signup and view all the answers

    Which screening method is important for early detection of cervical cancer?

    <p>Pap smear (B)</p> Signup and view all the answers

    What symptom is commonly associated with endometrial cancer?

    <p>Postmenopausal bleeding (A)</p> Signup and view all the answers

    What classification of dysplasia is known as CIN I?

    <p>Mild Dysplasia (C)</p> Signup and view all the answers

    Which risk factor is NOT associated with endometrial cancer?

    <p>Smoking (D)</p> Signup and view all the answers

    What is a common treatment option for cervical cancer?

    <p>Cryosurgery (B)</p> Signup and view all the answers

    What procedure involves the removal of ovaries and fallopian tubes?

    <p>Salpingo-oophorectomy (D)</p> Signup and view all the answers

    What type of vaginal discharge may indicate cervical cancer?

    <p>Foul odor discharge (B)</p> Signup and view all the answers

    What is a common complication of contrast induced nephropathy (CIN)?

    <p>Hypertension (B)</p> Signup and view all the answers

    Which of the following is not a clinical hallmark of glomerular disorders?

    <p>Diabetes (B)</p> Signup and view all the answers

    What is the primary treatment option for breast cancer in late stages to alleviate pain?

    <p>Cyst drainage (C)</p> Signup and view all the answers

    What is the hallmark of acute poststreptococcal glomerulonephritis?

    <p>Oliguria (D)</p> Signup and view all the answers

    What is the primary hormone responsible for stimulating increased secretion of growth hormone from the anterior pituitary?

    <p>GHRH (D)</p> Signup and view all the answers

    What typically follows a strep infection in cases of acute glomerulonephritis?

    <p>Abrupt onset of edema (D)</p> Signup and view all the answers

    Which reproductive risk factor is associated with an increased risk of breast cancer?

    <p>Nulliparous status (D)</p> Signup and view all the answers

    Which of the following statements about chronic glomerulonephritis is true?

    <p>80% of kidney function may be lost before symptoms become noticeable. (C)</p> Signup and view all the answers

    What condition can occur in children due to increased growth hormone secretion before the epiphyseal plates have developed?

    <p>Gigantism (D)</p> Signup and view all the answers

    What is the defining test used for the evaluation of breast cancer?

    <p>Biopsy (A)</p> Signup and view all the answers

    Which of the following environmental risk factors is linked to breast cancer?

    <p>High fat diet (B)</p> Signup and view all the answers

    Which of the following is a potential treatment for acute poststreptococcal glomerulonephritis?

    <p>Antihypertensives (D)</p> Signup and view all the answers

    Which of the following best describes the effect of increased growth hormone on insulin receptors?

    <p>Decreased insulin receptor availability (D)</p> Signup and view all the answers

    What is the role of TRH in the regulation of thyroid hormones?

    <p>Stimulates thyroid hormone production (C)</p> Signup and view all the answers

    Which test evaluates hormone receptor presence in breast cancer tissue?

    <p>Estrogen receptor/progesterone receptor tests (B)</p> Signup and view all the answers

    What type of diagnostic finding is characteristically observed in acute glomerulonephritis?

    <p>RBC cast (A)</p> Signup and view all the answers

    Which symptom is NOT typically associated with acromegaly?

    <p>Increased height (B)</p> Signup and view all the answers

    Which process is primarily disrupted in glomerular disorders leading to proteinuria?

    <p>Capillary wall structure integrity (D)</p> Signup and view all the answers

    Which age-related risk factor shows a decreased risk of breast cancer?

    <p>Reaching menopause early (D)</p> Signup and view all the answers

    What happens when anti-GBM antibodies interact with the glomerular basement membrane?

    <p>Formation of antigen-antibody complexes (D)</p> Signup and view all the answers

    Which factor is NOT likely to stimulate the secretion of growth hormone releasing hormone (GHRH)?

    <p>Obesity (C)</p> Signup and view all the answers

    What type of cancer typically presents as a painless lump without classic characteristics?

    <p>Adenocarcinoma (A)</p> Signup and view all the answers

    What is the initial stimulus for the production of T3 and T4 in the thyroid gland?

    <p>TSH release (D)</p> Signup and view all the answers

    Which factor is NOT considered a familial risk factor for breast cancer?

    <p>Middle age of first childbirth (C)</p> Signup and view all the answers

    What role does IGF-1 play in the regulation of growth hormone effects?

    <p>It decreases growth hormone secretion (A)</p> Signup and view all the answers

    Which of these conditions is characterized by excess growth hormone after puberty?

    <p>Acromegaly (B)</p> Signup and view all the answers

    What can increased intracranial pressure in acromegaly lead to?

    <p>Visual disturbances (B)</p> Signup and view all the answers

    Flashcards

    Hyperpituitarism cause

    Pituitary gland tumors (adenomas) cause excessive hormone release from affected cells, partially suppressing other cell functions.

    Gigantism

    Excessive growth hormone (GH) in children before puberty, causing unusually tall stature (7-9ft).

    Acromegaly

    Excessive GH after puberty, leading to bone and tissue overgrowth, common symptoms are joint pain, nerve issues.

    Acromegaly cause

    GH-secreting adenomas cause high GH and IGF-1 (insulin-like growth factor) levels resulting in body tissue overgrowth.

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    Acromegaly pathophysiology

    Increased GH leads to tissue overgrowth, poor glucose handling (carbohydrate tolerance), and raised metabolic rate, as well as high IGF-1 levels.

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    GH regulation

    Growth hormone regulation involves GHRH (releasing hormone) and GHIH (inhibiting hormone, also called Somatostatin), that act in a feedback loop.

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    Negative feedback loop

    The thyroid hormone production is controlled by a negative feedback system, hypothalamus, pituitary, and thyroid work together.

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    TRH

    Thyroid-releasing hormone, stimulates the pituitary gland to produce TSH.

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    TSH

    Thyroid-stimulating hormone, triggers the thyroid to produce T3 and T4.

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    T3 and T4

    Thyroid hormones crucial for metabolism, regulated by a negative feedback loop.

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    Consequences of severe Acute Kidney Injury

    Severe acute kidney injury can lead to high blood pressure, fluid buildup, acidity, high potassium, irregular heartbeat, and even permanent kidney failure (ESRD).

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    Hyperkalemia

    High blood potassium levels, a serious complication of kidney injury, leading to irregular heart rhythms.

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    End-Stage Renal Disease (ESRD)

    A condition where the kidneys permanently stop working, requiring dialysis or a transplant for survival.

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    Oliguric/anuric phase of ARF

    A phase of Acute Renal Failure (ARF) where the kidneys lose most of their function, producing minimal or no urine.

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    Diuretic phase of Acute Renal Failure

    A phase of Acute Renal Failure marked by higher urine output; the kidneys are recovering but still need supportive care.

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    Contrast Induced Nephropathy (CIN)

    Kidney problems caused by contrast dyes used in medical procedures. Risk higher for people with diabetes or other kidney/heart conditions.

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    Glomerular Disorders

    Kidney problems caused by infections, toxins, or immune responses, leading to inflammation in the glomerulus that affects filtration and causes proteinuria and changed GFR

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    Acute Glomerulonephritis

    Inflammation of the glomeruli, often linked to a strep infection.

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    Acute Poststreptococcal Glomerulonephritis (APSGN)

    A type of glomerulonephritis caused by a strep infection, usually appearing 7-10 days after the infection.

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    Chronic Glomerulonephritis

    A long-term kidney disorder where kidney function progressively worsens.

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    Proteinuria

    Presence of excessive protein in the urine.

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    Hematuria

    Presence of blood in the urine. Often a symptom of kidney disorders.

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    Oliguria

    Low urine output, a sign of kidney problems.

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    Nephrotic Syndrome

    Kidney disorder causing excessive protein loss in urine.

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    Renal Failure

    Severe kidney damage to the point that the kidneys cannot function properly.

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    Cervical Cancer

    A type of cancer that develops in the cervix, which is the lower part of the uterus.

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    Dysplasia

    Abnormal changes in cells, often a precursor to cancer.

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    Endometrial Cancer

    Cancer that begins in the lining of the uterus (endometrium).

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    Postmenopausal Bleeding

    Bleeding from the vagina after menopause.

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    PAP smear

    A screening test for cervical cancer that involves examining cells from the cervix for abnormalities.

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    Salpingo-oophorectomy

    Surgical removal of one or both ovaries and fallopian tubes.

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    Radical Hysterectomy

    Surgical removal of the uterus, along with adjacent structures.

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    Fibrocystic Change (FCC)

    Non-cancerous breast changes, common in menstruating women, involving ducts, glands, and stroma, often caused by hormonal stimulation.

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    FCC Manifestation

    Tenderness and pain in the breasts, fluctuating with menstrual cycles, worsening before menopause.

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    3 Types of FCC Changes

    Cystic (fluid filled), Fibrous (tissue thickening), Epithelial Proliferative (cell growth in lining)

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    FCC Commonality

    FCC affects up to 60% of women of reproductive age.

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    FCC Cause

    FCC is believed to be caused by hormonal stimulation from estrogen and progesterone.

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    Breast Cancer Risk Factors

    Factors that increase the likelihood of developing breast cancer. These factors can be categorized as reproductive, hormonal, environmental, familial, gender, age, personal history of cancer, and lifestyle.

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    Late-Stage Breast Cancer Treatment

    Treatment of advanced breast cancer often involves cyst drainage to reduce pain. This approach aims to manage symptoms and improve comfort.

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    Young Mothers and Breast Cancer Risk

    Women who have their first child at a younger age have a lower risk of developing breast cancer. There is a correlation between early motherhood and reduced risk.

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    Nulliparous Women and Breast Cancer Risk

    Women who have never given birth have an increased risk of developing breast cancer, as opposed to those who have had children.

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    What is an Adenocarcinoma?

    A type of cancer that originates in glandular tissue, such as breast tissue. Adenocarcinomas are common and often metastasize early.

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    Breast Cancer Manifestations

    Symptoms of breast cancer often include a painless lump, palpable lymph nodes, skin dimpling, nipple retraction, ulceration, hemorrhage, and bone pain due to metastasis.

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    Breast Cancer Evaluation

    Diagnosis and treatment of breast cancer involve various tests, including mammography, percutaneous needle aspiration, biopsy (definitive diagnosis), and hormone receptor assays.

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    ER/PR Tests in Breast Cancer

    Estrogen receptor (ER) and progesterone receptor (PR) tests analyze breast cancer tissue for specific receptors that govern hormone response. These tests guide treatment decisions, especially related to hormonal therapies.

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    Study Notes

    Endocrine System

    • Hormones are chemical messengers that regulate cell communication, metabolism, growth, and development.
    • Paracrine hormones target nearby cells, while autocrine hormones target the cells that secreted them.
    • Major hormone types include peptides (amino acid chains), steroids (derived from lipids, often affecting reproduction), and amines (derived from amino acids).
    • Hormone receptors are specific to each hormone (only cells with the corresponding receptor can respond).
    • Hormone receptors can increase (up-regulation) or reduce (down-regulation) in number, thereby affecting hormone sensitivity.
    • Hormones are degraded by enzymes at receptor sites, cellular uptake, or liver excretion.

    Hypothalamic-Pituitary System

    • The pituitary gland has two regions: the posterior pituitary and the anterior pituitary.
    • The posterior pituitary stores and releases hormones made in the hypothalamus.
    • The anterior pituitary makes and releases hormones affecting other glands.
    • Hormones of the hypothalamic-pituitary axis regulate important functions: growth, reproduction, and metabolism.

    Diseases of the Posterior Pituitary

    • Diabetes insipidus (DI) is a condition characterized by insufficient ADH (antidiuretic hormone) secretion; leading to excessive urination and thirst.
    • Syndrome of inappropriate antidiuretic hormone (SIADH) secretion involves excessive ADH production, leading to fluid retention.
    • ADH (also called vasopressin) controls blood osmolarity.

    Diseases of the Anterior Pituitary

    • Hypopituitarism is a condition where the anterior pituitary doesn't produce enough hormones, resulting in multiple hormone deficiencies.
    • Hyperpituitarism is a condition of excess pituitary hormone production, often due to tumors.
    • Specific hormones produced by the anterior pituitary like thyroid-stimulating hormone (TSH), Adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin (PRL), and growth hormone (GH). Excess or inadequacy of these hormones can cause diseases.

    Thyroid Gland Disorders

    • The thyroid gland produces hormones that regulate metabolism, energy, and nervous system function.
    • Hypothyroidism is a condition where the thyroid gland doesn't produce enough thyroid hormones, resulting in various symptoms, including fatigue, weight gain, and cold intolerance.
    • Hyperthyroidism is a condition where the thyroid gland produces excessive thyroid hormones, resulting in symptoms like weight loss, anxiety, and heat intolerance.

    Adrenal Gland Disorders

    • Adrenal glands produce hormones involved in stress response, blood pressure regulation, and electrolyte balance.
    • Addison's disease, characterized by insufficient adrenal hormone production, causes symptoms including fatigue, low blood pressure, and electrolyte imbalance.
    • Cushing's syndrome is associated with excessive cortisol production, manifesting as weight gain, high blood sugar, and muscle weakness.

    Renal System

    • The kidneys regulate water and electrolyte balance and filter waste products from the blood.
    • Urinary tract obstructions can lead to fluid backup, infection, and damage to the kidneys.
    • Renal calculi (kidney stones) are hard deposits in the kidney that can cause pain and blockage.
    • Renal failure is a condition where the kidneys lose their ability to filter waste, often associated with complications and requiring dialysis or transplantation. -Prerenal is caused by decreased blood flow to the kidneys
      • Intrarenal failure is caused by intrinsic kidney pathology -Postrenal failure is caused by downstream obstruction of the urinary tract.

    Urinary Tract Infections

    • Urinary tract infections (UTIs) are infections in the urinary system, usually caused by bacteria like E. coli.
    • UTIs can affect the bladder (cystitis), ureters, kidneys (pyelonephritis).
    • Risk factors include anatomical differences, sexual activity, and instrumentation.

    Benign Prostate Hyperplasia (BPH)

    • Enlarged prostate gland in older men, associated with urinary symptoms like difficulty urinating and frequent urination.
    • Usually not cancerous.

    Neurogenic Bladder

    • Damage to nerve pathways that control bladder function results in incontinence or retention difficulties.

    Renal Tumors

    • Benign renal tumors are less common than malignant ones and are often asymptomatic.
    • Common malignant tumors include renal cell carcinoma; characterized by specific cell types, risk factors, and clinical presentation.

    Bladder Tumors

    • Bladder tumors are often related to exposure to environmental carcinogens, particularly smoking.
    • Common types include transitional cell carcinomas; often associated with hematuria and diverse clinical presentations depending on stage.

    External Genitalia Infections

    • Sexually transmitted infections (STIs) can manifest as various external genital infections, with symptoms like pain, discharge, or ulcerations.

    Male Reproductive Disorders

    • Cryptorchidism is the failure of one or both testes to descend into the scrotum.
    • Testicular torsion is a twisting of the spermatic cord, causing severe pain and potential testicular damage.
    • Orchitis is inflammation of the testis.
    • Epididymitis is inflammation of the epididymis.
    • Varicocele is a varicose vein in the spermatic cord, disrupting blood flow and often causing infertility.
    • Hydrocele describes a fluid-filled sac in the scrotum, typically a result of developmental issues.
    • Spermatocele is a cyst containing sperm in the epididymis.

    Reproductive System Disorders in Women

    • Polycystic ovary syndrome (PCOS) is a hormonal disorder, often diagnosed in young women, with various clinical manifestations, particularly menstrual irregularities and potential fertility issues.
    • Dysfunctional uterine bleeding (DUB) is abnormal uterine bleeding not associated with ovulation.
    • Primary amenorrhea is the absence of menstruation by age 15 or beyond normal puberty.
    • Secondary amenorrhea is the absence of menstruation in women who previously menstruated regularly.
    • Pelvic relaxation disorders like cystocele, rectocele and uterine prolapse lead to displacement of pelvic organs, causing symptomatic issues such as urinary or fecal incontinence.

    Benign Breast Disorders

    • Galactorrhea is the spontaneous milky or yellowish discharge from the nipple, unrelated to pregnancy or breastfeeding.
    • Fibrocystic changes (FCC) – is a common benign condition involving cysts and fibrous tissue within the breast tissue; often associated with pain and tenderness.

    Breast Tumors

    • Benign breast tumors such as fibroadenomas are more common.
    • Malignant breast tumors like adenocarcinomas are potentially life-threatening; if diagnosed early, aggressive treatment can improve outcomes.

    Inflammatory or Vascular Disorders of the Skin

    • Allergic contact dermatitis results from exposure to allergens causing an immune response that triggers skin inflammation.
    • Stasis dermatitis results from venous insufficiency in the lower extremities leading to chronic inflammation and skin changes.
    • Scleroderma is an autoimmune disease characterized by widespread fibrosis affecting the skin and other organs.
    • Psoriasis is a chronic inflammatory skin disorder, presenting with red scaly patches.
    • Systemic lupus erythematosus (SLE) is a systemic autoimmune disease and also presents with skin manifestations such as rashes.

    Burns

    • Burns have various classifications (first-degree, second-degree, etc.) based on the depth of skin damage, influencing treatment approaches.
    • Burns can result in significant systemic complications, including fluid loss and potentially organ failure, impacting the need for intensive treatment and care.

    Infections of the Skin

    • Acne vulgaris – infection or blockage of sebaceous glands
    • Furuncles/cellulitis – infection of skin hair follicles→ can become widespread
    • Impetigo is contagious, occurs most often in children.
    • Bacterial skin infections can cause redness, swelling, and pain in the infected area.
    • Viral skin infections can include herpes zoster (shingles), chickenpox, wart, etc..
    • Fungal skin infections are characterized by various types of tinea(e.g., tinea pedis, tinea corporis) affecting different parts of the body.
    • Parasites like scabies or lice cause skin irritation and itching.
    • Frost bite – is a skin injury caused by freezing of the skin and underlying tissues -SBRK – common benign skin growth in older individuals, characterized by raised, waxy or scaly patches on the skin. -Actinic/solar keratos- rough scaly patches are caused by sun damage

    Skin Cancer

    • Skin cancer manifests in various ways, ranging from melanomas (the most serious type) and non-melanomas (basal cell and squamous cell carcinomas).

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    Description

    Test your knowledge on acute renal failure and fibrocystic changes in the breasts. This quiz covers key concepts including symptoms, hormonal influences, and associated conditions. Perfect for medical students and healthcare professionals alike.

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