Which of the following constitutes the so-called bad cholesterol?
Triglycerides
High-density lipoproteins
Low-density lipoproteins
Chylomicrons
The Correct Answer is C
A. Triglycerides are a type of fat found in the blood, but they are not classified as "bad cholesterol."
B. High-density lipoproteins (HDL) is known as "good cholesterol" because it helps remove cholesterol from the arteries.
C. Low-density lipoproteins (LDL) are referred to as "bad cholesterol" because high levels of LDL can lead to the build-up of plaque in arteries, increasing the risk of heart disease and stroke.
D. Chylomicrons are lipoproteins that transport dietary lipids from the intestines to other locations in the body. They are not classified as "bad cholesterol."
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Renal filtrate refers to the fluid filtered from the blood in the glomerulus, which is the initial stage of urine formation. It does not immediately precede urine.
B. Tubular fluid is the filtrate as it passes through the nephron tubules, undergoing various processes like reabsorption and secretion. This fluid eventually becomes urine, after the final adjustments in the collecting duct.
C. Plasma is the liquid component of blood that is filtered by the glomerulus, but it is not the direct precursor to urine.
D. Glomerular filtrate is the fluid filtered out of the blood in the glomerulus and is the precursor to tubular fluid, not directly to urine.
Correct Answer is True
Explanation
The slow block is a mechanism that prevents polyspermy, which is the fertilization of an egg by more than one sperm. It does not prevent fertilization of another egg when one is already pregnant. The slow block involves changes in the egg's membrane after a sperm has entered, making it impermeable to other sperm. Therefore, this statement is false.
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