Cell Transport and Diffusion Quiz

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What is responsible for the reabsorption of tissue fluid back into the blood?

Lymphatic system (correct)

Osmotic pressure

Capillary permeability

Hydrostatic pressure

What is the primary electrolyte responsible for muscle function?

Calcium

Chloride

Potassium (correct)

Sodium

What is the primary function of the hormone aldosterone in the RAAS system?

Increasing sodium excretion

Promoting water retention (correct)

Inhibiting ADH release

Decreasing blood pressure

Which ions are more abundant in the extracellular fluid (ECF)?

Sodium and chloride ions Signup and view all the answers

Where does the exchange between intracellular fluid (ICF) and interstitial fluid occur?

Cell membrane Signup and view all the answers

What is the process of movement of molecules from an area of high concentration to an area of low concentration called?

Diffusion Signup and view all the answers

In osmosis, the movement of water occurs from an area of concentration to an area of concentration.

Low, high Signup and view all the answers

What drives the continuous movement of fluid out of and into the capillary according to Starling's Law?

Hydrostatic and osmotic pressure gradients Signup and view all the answers

What is the main role of the RAAS system in fluid balance regulation?

Regulating blood pressure by controlling blood volume and systemic vascular resistance Signup and view all the answers

What is the primary function of the hormone ADH in the regulation of fluid balance?

Increasing water reabsorption in the kidneys to maintain blood osmolality Signup and view all the answers

In the body weight distribution, what percentage is composed of solids for males and females combined?

60% Signup and view all the answers

Which of the following is considered as extracellular fluid?

Plasma Signup and view all the answers

Where does the exchange between interstitial fluid and plasma occur?

At the venous end of a capillary Signup and view all the answers

What is the process where molecules diffuse down their concentration gradient and across a membrane only when attached to a carrier protein?

Facilitated diffusion Signup and view all the answers

In osmosis, the movement of water occurs from an area of concentration to an area of concentration.

Low solute, high solute Signup and view all the answers

What is the main factor that determines the rate of simple diffusion?

Concentration gradient Signup and view all the answers

Which gland is responsible for the production of hormones that regulate the body's metabolism?

Pituitary gland Signup and view all the answers

What is the primary mode of transportation for endocrine hormones?

Blood Signup and view all the answers

Where are hormone receptors located?

Cell membrane or within the cell Signup and view all the answers

What type of control is characterized by direct stimulation by the central nervous system?

Neural control Signup and view all the answers

Which lobe of the pituitary gland is connected to the hypothalamus by the hypothalamohypophyseal tract?

Posterior lobe Signup and view all the answers

What is the primary mechanism for controlling the anterior pituitary gland's hormone secretion?

Hypophyseal portal system Signup and view all the answers

Which hormone stimulates the release of thyroid hormones T3 and T4 from the thyroid gland?

Thyroid stimulating hormone (TSH) Signup and view all the answers

Which hormone stimulates the adrenal cortex to produce and release cortisol?

Adrenocorticotropic hormone (ACTH) Signup and view all the answers

Which hormone stimulates the kidneys to reabsorb water and arterioles to constrict, thereby increasing blood pressure?

Antidiuretic hormone (ADH) Signup and view all the answers

Which class of steroid hormones includes hormones that primarily conserve sodium in the kidneys?

Mineralocorticoids Signup and view all the answers

Which pancreatic hormone is responsible for lowering blood glucose levels by promoting the uptake of glucose by cells?

\text{Insulin} Signup and view all the answers

Which endocrine gland is functionally two separate glands, with one region producing steroid hormones and the other producing catecholamines?

Adrenal glands Signup and view all the answers

Which hormone stimulates breast development and milk production?

Prolactin Signup and view all the answers

Which of the following hormones primarily acts on most body cells to stimulate growth and mitosis?

Growth hormone (GH) Signup and view all the answers

Which class of steroid hormones includes hormones that increase blood glucose levels and have anti-inflammatory effects?

Glucocorticoids Signup and view all the answers

Which pancreatic hormone is responsible for increasing blood glucose levels by promoting the breakdown of glycogen in the liver?

\text{Glucagon} Signup and view all the answers

Which endocrine gland produces hormones that regulate calcium levels in the blood by acting on bone and kidneys?

Parathyroid gland Signup and view all the answers

Cell Transport and Diffusion Quiz

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Questions and Answers

What is responsible for the reabsorption of tissue fluid back into the blood?

What is the primary electrolyte responsible for muscle function?

What is the primary function of the hormone aldosterone in the RAAS system?

Which ions are more abundant in the extracellular fluid (ECF)?

Where does the exchange between intracellular fluid (ICF) and interstitial fluid occur?

What is the process of movement of molecules from an area of high concentration to an area of low concentration called?

In osmosis, the movement of water occurs from an area of ______ concentration to an area of ______ concentration.

What drives the continuous movement of fluid out of and into the capillary according to Starling's Law?

What is the main role of the RAAS system in fluid balance regulation?

What is the primary function of the hormone ADH in the regulation of fluid balance?

In the body weight distribution, what percentage is composed of solids for males and females combined?

Which of the following is considered as extracellular fluid?

Where does the exchange between interstitial fluid and plasma occur?

What is the process where molecules diffuse down their concentration gradient and across a membrane only when attached to a carrier protein?

In osmosis, the movement of water occurs from an area of ______ concentration to an area of ______ concentration.

What is the main factor that determines the rate of simple diffusion?

Which gland is responsible for the production of hormones that regulate the body's metabolism?

What is the primary mode of transportation for endocrine hormones?

Where are hormone receptors located?

What type of control is characterized by direct stimulation by the central nervous system?

Which lobe of the pituitary gland is connected to the hypothalamus by the hypothalamohypophyseal tract?

What is the primary mechanism for controlling the anterior pituitary gland's hormone secretion?

Which hormone stimulates the release of thyroid hormones T3 and T4 from the thyroid gland?

Which hormone stimulates the adrenal cortex to produce and release cortisol?

Which hormone stimulates the kidneys to reabsorb water and arterioles to constrict, thereby increasing blood pressure?

Which class of steroid hormones includes hormones that primarily conserve sodium in the kidneys?

Which pancreatic hormone is responsible for lowering blood glucose levels by promoting the uptake of glucose by cells?

Which endocrine gland is functionally two separate glands, with one region producing steroid hormones and the other producing catecholamines?

Which hormone stimulates breast development and milk production?

Which of the following hormones primarily acts on most body cells to stimulate growth and mitosis?

Which class of steroid hormones includes hormones that increase blood glucose levels and have anti-inflammatory effects?

Which pancreatic hormone is responsible for increasing blood glucose levels by promoting the breakdown of glycogen in the liver?

Which endocrine gland produces hormones that regulate calcium levels in the blood by acting on bone and kidneys?

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