Aqueous humor is watery fluid found in which part of the body?.
Intestines.
Kneecap.
Heart.
Eye.
Correct Answer : D
Eye. Aqueous humor is a clear, watery fluid that fills the anterior and posterior chambers of the eye.
It is secreted by the ciliary body and drains through the scleral venous sinus. It provides nutrients to the lens and cornea, which have no blood supply, and maintains the eye’s normal pressure and shape.
Choice A is wrong because aqueous humor is not found in the intestines.
The intestines contain digestive fluids such as bile and enzymes.
Choice B is wrong because aqueous humor is not found in the kneecap.
The kneecap contains synovial fluid, which lubricates the joint.
Choice C is wrong because aqueous humor is not found in the heart.
The heart contains blood, which circulates oxygen and nutrients throughout the body.
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Related Questions
Correct Answer is A
Explanation
The pituitary gland is commonly known as the “master gland” because it controls the hormone production of other glands. It secretes nine hormones that regulate growth, metabolism, reproduction, stress response and more.
Choice B. Endocrine is wrong because endocrine is not a specific gland, but a system of glands that produce hormones.
Choice C. Thyroid is wrong because thyroid is a gland that produces hormones that regulate metabolism, growth and development.
It does not control other glands.
Choice D. Liver is wrong because liver is not an endocrine gland, but an organ that performs many functions such as digestion, detoxification and blood clotting.
It does not produce hormones that regulate other glands.
Normal ranges for pituitary hormones vary depending on the type of hormone, age, sex and other factors.
For example, the normal range for growth hormone in adults is 0.4 to 10 nanograms per milliliter (ng/mL), while the normal range for prolactin in women who are not pregnant or breastfeeding is 4 to 23 ng/mL.
Correct Answer is C
Explanation
Oxytocin is a hormone that is produced by the posterior pituitary gland. The posterior pituitary gland stores and releases just two hormones: oxytocin and antidiuretic hormone (ADH, or vasopressin).
Choice A is wrong because estrogen is not produced by the posterior pituitary gland, but by the ovaries.
Choice B is wrong because luteinizing hormone (LH) is not produced by the posterior pituitary gland, but by the anterior pituitary gland.
Choice D is wrong because follicle stimulating hormone (FSH) is not produced by the posterior pituitary gland, but by the anterior pituitary gland.
Oxytocin has several functions in the body, such as facilitating uterine contractions during labor, allowing for milk let-down during breastfeeding, promoting social bonding, and moderating testosterone levels. ADH helps regulate the water balance in the body by controlling the amount of water the kidneys reabsorb while they’re filtering wastes out of the blood.
Correct Answer is B
Explanation
Superficial wound healing.
Cellular contact inhibition is important in this process because it prevents cells from migrating and proliferating excessively when the wound is closed. Contact inhibition is a cell property that limits the migration and proliferation of cells in crowded environments.
Choice A is wrong because sweat production does not involve contact inhibition. Sweat glands secrete sweat through ducts that open onto the skin surface.
Choice C is wrong because scoliosis development does not involve contact inhibition. Scoliosis is a condition that causes the spine to curve sideways, and it can be caused by genetic, environmental, or unknown factors.
Choice D is wrong because tyrosinase production does not involve contact inhibition.
Tyrosinase is an enzyme that catalyzes the production of melanin, a pigment that gives color to the skin, hair, and eyes.
Correct Answer is D
Explanation
Eye. Aqueous humor is a clear, watery fluid that fills the anterior and posterior chambers of the eye.
It is secreted by the ciliary body and drains through the scleral venous sinus. It provides nutrients to the lens and cornea, which have no blood supply, and maintains the eye’s normal pressure and shape.
Choice A is wrong because aqueous humor is not found in the intestines.
The intestines contain digestive fluids such as bile and enzymes.
Choice B is wrong because aqueous humor is not found in the kneecap.
The kneecap contains synovial fluid, which lubricates the joint.
Choice C is wrong because aqueous humor is not found in the heart.
The heart contains blood, which circulates oxygen and nutrients throughout the body.
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