Podcast
Questions and Answers
Which condition leads to increased mechanical demand in LV myocardium in athletes?
Which condition leads to increased mechanical demand in LV myocardium in athletes?
- Physiologic hypertrophy (correct)
- Pathologic hypertrophy
- Physiologic hyperplasia
- Pathologic hyperplasia
What leads to smooth muscle cell hyperplasia in gravid uterus?
What leads to smooth muscle cell hyperplasia in gravid uterus?
- Hormone-induced hyperplasia (correct)
- Pathologic hypertrophy
- Physiologic atrophy
- Compensatory hyperplasia
Which condition leads to LV myocardium hypertrophy in hypertension?
Which condition leads to LV myocardium hypertrophy in hypertension?
- Physiologic hyperplasia
- Physiologic hypertrophy
- Pathologic hyperplasia
- Pathologic hypertrophy (correct)
What causes benign prostate hyperplasia?
What causes benign prostate hyperplasia?
Which condition leads to atrophy of myometrium after delivery?
Which condition leads to atrophy of myometrium after delivery?
Flashcards
Physiologic hypertrophy in Athlete's Heart
Physiologic hypertrophy in Athlete's Heart
Increase in the size of the heart muscle due to exercise.
Hormone-induced hyperplasia
Hormone-induced hyperplasia
Increase in cell number in the uterus during pregnancy due to hormonal changes.
Pathologic hypertrophy in Hypertension
Pathologic hypertrophy in Hypertension
Increase in the size of the heart muscle due to high blood pressure.
Benign prostatic hyperplasia cause
Benign prostatic hyperplasia cause
Increase in cell number in the prostate due to hormonal changes.
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Postpartum atrophy of myometrium
Postpartum atrophy of myometrium
Decrease in the size of the uterine muscle after childbirth.
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Increased Mechanical Demand in Athletes
- Intense physical training and endurance activities elevate the mechanical demand on the left ventricular (LV) myocardium.
- Physiological adaptations occur in response to sustained exercise, leading to hypertrophy and improved cardiac output.
Smooth Muscle Cell Hyperplasia in Gravid Uterus
- Elevated estrogen levels during pregnancy stimulate hyperplasia of smooth muscle cells.
- This adaptation helps accommodate the growing fetus and supports uterine expansion.
LV Myocardium Hypertrophy in Hypertension
- Chronic high blood pressure (hypertension) leads to concentric hypertrophy of the LV myocardium.
- This results from increased afterload, causing the heart muscle to thicken as it works harder to pump blood against elevated resistance.
Causes of Benign Prostate Hyperplasia
- Age-related hormonal changes, particularly increased dihydrotestosterone (DHT), contribute to benign prostate hyperplasia (BPH).
- BPH is characterized by the enlargement of prostatic tissue, leading to urinary obstruction and symptoms.
Atrophy of Myometrium after Delivery
- After childbirth, hormonal withdrawal, particularly decreased estrogen and progesterone levels, initiates atrophy of the myometrium.
- This process allows the return of the uterus to its non-pregnant size and function.
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