Parathyroid Disorders and Cushing Syndrome Quiz

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Which layer of the adrenal cortex releases glucocorticoids (cortisol)?

Zona Fasciculata (correct)

Zona Glomerulosa

Zona Medullaris

Zona Reticularis

What hormone is released from the Zona Reticularis of the adrenal cortex?

Cortisol

Androgens (correct)

Estrogen

Aldosterone

Which enzyme is responsible for the conversion of testosterone to estrogen?

Aromatase (correct)

Mineralocorticase

Androgenase

Glucocorticase

Which of the following is true about the cardiac action potential compared to the normal action potential?

The cardiac action potential has rapid depolarization that is maintained Signup and view all the answers

What does the QRS complex in an ECG represent?

Ventricular depolarization Signup and view all the answers

What is the relationship between resistance, flow, and pressure in the circulatory system?

Increasing pressure increases flow Signup and view all the answers

Which hormone is released by the anterior pituitary and acts as a vasodilator, promotes sodium and water excretion, and increases blood pressure?

ANP Signup and view all the answers

Which hormone is released by the adrenal medulla and stimulates the fight or flight response?

Epinephrine Signup and view all the answers

Which hormone is released by the pancreas in response to increased blood glucose levels and lowers blood glucose levels?

Insulin Signup and view all the answers

Which of the following is a characteristic of hyperparathyroidism?

Bones become soft, fragile, and deformed Signup and view all the answers

What is the main role of the glomerulus in the nephron?

Filtration Signup and view all the answers

Which molecule is mainly absorbed in the proximal convoluted tubule (PCT)?

Glucose Signup and view all the answers

Which one of the following is true about granulocytes?

Neutrophils are the most common type of granulocyte. Signup and view all the answers

Which one of the following is the function of albumin in blood plasma?

Maintain blood osmolarity Signup and view all the answers

Which one of the following is true about sickle cells?

Sickle cells have a mutation in one of the hemoglobin genes. Signup and view all the answers

Which of the following best describes the role of lymph nodes in the body?

Lymph nodes help to fight infections and prevent them from entering the bloodstream. Signup and view all the answers

Which of the following hormones is responsible for regulating water balance in the body?

ADH Signup and view all the answers

What is the main function of coronary arteries in the cardiovascular system?

Coronary arteries supply the heart with oxygenated blood. Signup and view all the answers

Which of the following is the correct function of thrombin in the clotting process?

Thrombin takes fibrinogen and turns it into fibrin Signup and view all the answers

Which of the following correctly describes the major differences between veins and arteries?

Veins take blood back to the heart and contain valves Signup and view all the answers

Which of the following correctly describes the basic structure of the heart?

The heart has semilunar valves and atrioventricular valves Signup and view all the answers

Which hormone causes water reabsorption in the collecting duct?

ADH Signup and view all the answers

Which hormone causes Na+ reabsorption in the distal convoluted tubule and potassium to be secreted?

Aldosterone Signup and view all the answers

Which hormone is released by the liver to constrict blood vessels and stimulate the adrenal cortex to secrete aldosterone?

Angiotensin II Signup and view all the answers

Which hormone is released by the kidneys in response to low blood pressure and causes an enzyme cascade and the release of angiotensin?

Renin Signup and view all the answers

Which organ secretes acid (H+) in the proximal and distal tubules and reabsorbs bicarbonate (HCO3-)?

Kidneys Signup and view all the answers

Which condition is characterized by an increase in pH and an increase in CO2 due to vomiting out acid?

Metabolic alkalosis Signup and view all the answers

Which condition is characterized by a decrease in pH and a decrease in CO2 due to HCO3- not being reabsorbed?

Metabolic acidosis Signup and view all the answers

Which condition is characterized by an increase in pH and a decrease in CO2 due to increased breathing?

Respiratory alkalosis Signup and view all the answers

Which condition is characterized by a decrease in pH and an increase in CO2 due to decreased breathing?

Respiratory acidosis Signup and view all the answers