Exam 4 Flashcards
What is primary dysmenorrhea attributed to?
Excessive endometrial prostaglandin production
Primary dysmenorrhea causes painful periods and is linked to increased prostaglandin levels.
What are common causes of secondary dysmenorrhea?
- Endometriosis
- Endometritis
- Pelvic inflammatory disease
- Uterine fibroids
- Polyps
- Tumors
- Ovarian cysts
- Intrauterine devices (IUDs)
Secondary dysmenorrhea results from pelvic pathologic conditions.
What is endometriosis?
The presence of functioning endometrial tissue or implants outside the uterus
Common sites include pelvic peritoneum, ovaries, and uterosacral ligaments.
What are the common symptoms of endometriosis?
- Pain
- Infertility
- Dysmenorrhea
- Dysuria
- Dyspareunia
- Constipation
- Abnormal vaginal bleeding
Symptoms vary in frequency and severity.
What defines Polycystic Ovarian Syndrome (PCOS)?
At least two of the following three features: * Irregular ovulation * Elevated levels of androgens * Appearance of polycystic ovaries on ultrasound
PCOS is a leading cause of infertility in the United States.
What is a major risk factor for infertility associated with PCOS?
Glucose intolerance/insulin resistance
Insulin resistance can worsen hyperandrogenic states.
What is Pelvic Inflammatory Disease (PID)?
An acute inflammatory process caused by infection
PID can lead to scarring, adhesions, and obstruction of fallopian tubes.
What are two sexually transmitted infectious causes of PID?
- Gonorrhea
- Chlamydia
These infections can lead to significant reproductive health issues.
What is Bacterial Vaginosis (BV)?
Present in what percentage of PID cases?
A noninflammatory condition resulting from an overgrowth of anaerobic bacteria
BV can cause malodorous vaginal discharge and is present in up to 66% of PID cases.
What is Pelvic Organ Prolapse (POP)?
This affects what percentage of women on examination?
The descent of one or more pelvic structures: the vaginal wall, uterus, or apex of the vagina
More than 50% of women have some version of POP on examination.
What is a cystocele?
Symptoms?
Descent of a portion of the posterior bladder wall and trigone into the vaginal canal
Symptoms include urinary issues and pelvic discomfort.
What is a rectocele?
What causes exacerbation?
The bulging of the rectum and posterior vaginal wall into the vaginal canal
Childbirth may increase damage associated with rectocele.
What is a spermatocele?
Benign cystic collections of fluid in the epididymis located between the head of the epididymis and the testis
Spermatoceles are filled with milky fluid that contains sperm.
What is ovarian cancer often referred to as?
The ‘silent killer’
Ovarian cancer is commonly asymptomatic until large tumors are present.
What genetic predispositions are associated with ovarian cancer?
- BRCA1
- BRCA2
Genetic factors contribute to the risk of developing ovarian cancer.
What are the risk factors for breast cancer?
- Age
- Gender
- Family history
- Genetic factors (BRCA1 and BRCA2)
- Environmental factors (smoking, alcohol, obesity)
Environmental and lifestyle factors can increase breast cancer risk.
What is benign prostatic hyperplasia (BPH)?
Enlargement of the prostate due to nodular hyperplasia and glandular cell enlargement
BPH can lead to bladder outflow obstruction.
What is the most common type of prostate cancer?
Adenocarcinoma
Prostate cancer is usually androgen-dependent and develops in the peripheral prostate.
What are the first manifestations of prostate cancer?
- Slow urinary stream
- Hesitancy
- Incomplete emptying
- Frequency
- Nocturia
- Dysuria
Symptoms progress and do not remit unlike BPH-related symptoms.
What does erectile dysfunction (ED) often indicate?
Endothelial damage
ED might be the first symptom of underlying vascular issues.
What is infertility defined as?
It affects what percentage of couples?
The inability to conceive after 1 year of unprotected intercourse
Infertility affects approximately 15% of all couples.
What is gonorrhea caused by?
What type of bacteria presentation?
Neisseria gonorrhoeae
Gonorrhea is a gram-negative diplococcus that can be asymptomatic in many cases.
What is chlamydia caused by?
C. trachomatis
Chlamydia is responsible for several syndromes, including nongonococcal urethritis.
What is the primary treatment for neonatal conjunctivitis caused by gonorrhea?
Systemic treatment is indicated for all newborns with known exposure - erythromycin eye drops (?)
Topical antibiotics may not be effective in eliminating neonatal infection.
What are some syndromes caused by C. trachomatis?
- Acute urethral syndrome
- Nongonococcal urethritis (NGU)
- Mucopurulent cervicitis
- Pelvic inflammatory disease (PID)
Chlamydia is a leading cause of preventable infertility and ectopic pregnancy.
What is the most common sexually transmitted virus in the United States?
Human papillomavirus (HPV)
HPV infection is the most common symptomatic viral STI in teens and young adults.
What percentage of healthy individuals will spontaneously eliminate HPV?
70%
Most cases of HPV are transient.
What characterizes obstructive pulmonary diseases?
Airway obstruction is worse with expiration
Infiltration of the lung by inflammatory cells and cytokine release are involved.
What is the most common type of asthma?
Allergic asthma
Early asthmatic response involves antigen exposure to bronchial mucosa.
What is Status Asthmaticus?
Severe bronchospasms leading to respiratory failure
It results in increased CO2 retention and respiratory acidosis.
What defines chronic bronchitis?
Hypersecretion of mucus and chronic productive cough for at least 3 months for 2 consecutive years
Continual bronchial inflammation causes bronchial edema.
What is emphysema characterized by?
Destruction of alveoli walls through breakdown of elastin
This leads to air trapping and hyperexpansion of the chest.
What causes cor pulmonale?
Hypoxemia and hypercapnia leading to pulmonary vasoconstriction
It results in hypertrophy and dilation of the right ventricle.
What are common examples of restrictive lung diseases?
- Aspiration
- Pulmonary edema
- Acute respiratory distress syndrome (ARDS)
- Pneumoconiosis
These diseases are characterized by decreased compliance of the lungs.
What is the most common cause of pulmonary embolism (PE)?
Deep vein thrombosis (DVT)
The first symptom in 25% of people with PE is death.
What are the two main categories of lung cancer?
- Non–Small Cell Lung Cancer (NSCLC)
- Small Cell Lung Carcinomas (SCLCs)
NSCLC includes squamous cell carcinoma, adenocarcinoma, and large cell carcinoma.
What is the characteristic growth pattern of small cell lung carcinomas?
Rapid growth and early metastasis
This type has the worst prognosis of all lung cancers.
What are common risk factors for sudden infant death syndrome (SIDS)?
- Low-birth weight
- Large family size
- Lower socioeconomic status
- Sleeping on soft bedding
- Parental smoking
Education is key to prevention.
What causes gastroesophageal reflux disease (GERD)?
Reflux of acid and pepsin from the stomach to the esophagus
Abnormalities in lower esophageal sphincter function and esophageal motility can contribute.
What is the most common cause of duodenal ulcers?
Helicobacter pylori (H. pylori) infection
NSAID use can also contribute to duodenal ulcers.
What distinguishes gastric ulcers from duodenal ulcers?
Gastric ulcers occur due to increased permeability to hydrogen ions
Duodenal ulcers are more common and usually occur in younger individuals.
What characterizes ulcerative colitis?
Begins in the rectum and may extend proximally to the entire colon
Lesions are limited to the mucosal epithelium.
What is the typical age range for the onset of ulcerative colitis?
10-40 years
What is the typical age range for the onset of Crohn’s disease?
10-30 years
True or False: Family history is more common in Crohn’s disease than in ulcerative colitis.
True
In ulcerative colitis, the lesions are limited to which layer?
Mucosal layer
In Crohn’s disease, what type of lesions are commonly found?
Skip lesions
What are the common clinical manifestations of ulcerative colitis?
- Abdominal pain
- Diarrhea
- Bloody stools
True or False: Small intestinal malabsorption is common in ulcerative colitis.
False
What complication can occur due to diverticular disease?
- Abscess
- Fistula
- Obstruction
- Bleeding
- Perforation
What is cirrhosis?
An irreversible inflammatory, fibrotic liver disease
What is the primary cause of alcoholic cirrhosis?
Toxic effects of alcohol metabolism
What is nonalcoholic fatty liver disease (NAFLD) associated with?
- Obesity
- Insulin resistance
- High cholesterol
- Metabolic syndrome
- Type 2 diabetes mellitus
What is portal hypertension?
Increased pressure in the portal venous system
What is a common complication of portal hypertension?
- Esophageal varices
- Ascites
- Hepatic encephalopathy
What causes cholelithiasis?
Impaired metabolism of cholesterol, bilirubin, and bile acid
What is acute pancreatitis often caused by?
Reflux of bile acid into the pancreatic duct
What is the most common craniofacial malformation in newborns?
Cleft lip and cleft palate
What is infantile hypertrophic pyloric stenosis (IHPS)?
Acquired narrowing and distal obstruction of the pylorus
What is Hirschsprung disease?
Congenital absence of parasympathetic plexuses in the colon
What is intussusception?
Telescoping of a portion of the intestine into another
Common clinical manifestations of a urinary tract infection (UTI) in older adults include?
- Confusion
- Poorly localized abdominal discomfort
What is painful bladder syndrome (PBS) also known as?
Interstitial cystitis (IC)
What is the most common type of kidney stone?
Calcium oxalate
Acute glomerulonephritis (AG) is commonly caused by which factors?
- Infection
- Ischemia
- Free radicals
- Drugs
- Toxins
- Vascular disorders
What do microorganisms split urea into, and what effect does this have on urine?
Ammonia, making alkaline urine that increases the risk of stone formation
What are common causes of Acute Glomerulonephritis (AG)?
- Infection
- Ischemia
- Free radicals
- Drugs
- Toxins
- Vascular disorders
What is the most common type of immune injury in AG?
Related to antigen-antibody complexes in the glomerulus
What are severe symptoms of Acute Glomerulonephritis?
- Sudden onset of hematuria
- Red blood cell casts
- Proteinuria
- Edema
- Hypertension
- Impaired renal function
What is Acute Kidney Injury (AKI)?
A rapid and potentially reversible decline in renal function
What eGFR level indicates renal insufficiency?
25 to 30 ml/minute
What is the most common reason for prerenal AKI?
Inadequate kidney perfusion
List some causes of prerenal AKI.
- Hypovolemia
- Reduced cardiac output
- Systemic hypotension
- Acute myocardial infarction
What are some causes of intrarenal AKI?
- Renal vein thrombosis
- Renal artery stenosis
- Acute tubular necrosis
- Immune-complex diseases
What characterizes postrenal AKI?
Disorders associated with urinary tract obstruction
What systemic diseases are associated with Chronic Kidney Failure (CKD)?
- Diabetes mellitus
- Hypertension
- Systemic lupus erythematosus
What are two factors that advance renal disease in CKD?
- Proteinuria
- Angiotensin II activity
What is the role of erythropoietin (EPO) in the kidneys?
Stimulates the bone marrow to produce red blood cells
What accelerates hypocalcemia in CKD?
Impaired renal synthesis of 1,25-dihydroxy-vitamin D
What triggers secondary hyperparathyroidism in CKD?
Decreased calcium levels
What develops when GFR decreases to less than 20-25% of normal in ESRF?
Metabolic acidosis
What is hypospadias?
Condition when the urethral meatus is located on the ventral portion of the penis
What is vesicoureteral reflux (VUR)?
Urine sweeps up into the ureter and flows back into the bladder
What are the primary causes of nephrotic syndrome?
- Membranous glomerulonephritis
- Minimal change disease
What is the characteristic protein excretion level in nephrotic syndrome?
3.0 g or more of protein in the urine per day
What are the consequences of hypoalbuminemia in nephrotic syndrome?
- Decreased serum protein
- Edema
What causes hyperlipidemia in nephrotic syndrome?
Decreased catabolism of lipids due to reduced concentration of lipoprotein lipase
Fill in the blank: The basement membrane in the kidney’s glomerulus becomes abnormally ______ in nephrotic syndrome.
permeable