After traveling through the proximal convoluted tubule, glomerular filtrate enters which of the following nephron components?
Bowman's capsule
Collecting duct
Glomerulus
Loop of Henle
The Correct Answer is D
A. Bowman's capsule:
Bowman's capsule is the initial part of the nephron where blood is filtered to form glomerular filtrate. The filtrate is collected here after being filtered through the glomerulus. However, after traveling through the proximal convoluted tubule, the filtrate does not return to Bowman's capsule.
B. Collecting duct:
The collecting duct is the final part of the nephron where urine is collected after it has passed through the nephron’s other components. The glomerular filtrate enters the collecting duct after passing through the Loop of Henle and the distal convoluted tubule, not directly from the proximal convoluted tubule.
C. Glomerulus:
The glomerulus is a network of capillaries located within Bowman's capsule where blood filtration begins. After filtration occurs, the filtrate moves into the proximal convoluted tubule. The filtrate does not return to the glomerulus after it has passed through the proximal convoluted tubule.
D. Loop of Henle:
After the glomerular filtrate passes through the proximal convoluted tubule, it enters the Loop of Henle. This segment of the nephron is crucial for concentrating urine by reabsorbing water and salts from the filtrate, thereby playing an essential role in the body's fluid and electrolyte balance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Pulls the edges of the wound together: Pulling the edges of a wound together, a process known as wound contraction, occurs during the proliferative phase of healing, not during inflammation. This action is primarily driven by the activity of myofibroblasts and is part of the tissue remodeling and repair process rather than the initial inflammatory response.
B. Builds the scab to protect the wound: Scab formation is associated with the coagulation phase, where a clot forms to stop bleeding and protect the wound. The scab serves as a temporary barrier, but its formation is not a direct effect of inflammation.
C. Causes bleeding to clean out the wound: Bleeding may occur initially to help cleanse the wound, but it is controlled by the clotting cascade soon after the injury. While bleeding can help flush out pathogens and debris, it is not the primary effect of inflammation in the healing process.
D. Cleans out debris and toxins from the wound: Inflammation plays a crucial role in the healing process by recruiting immune cells, such as neutrophils and macrophages, to the site of injury. These cells help to clean out debris, pathogens, and toxins, setting the stage for tissue repair. This process is essential for preventing infection and facilitating proper wound healing.
Correct Answer is D
Explanation
A. Semilunar:
Semilunar valves include the pulmonary and aortic valves, which are located between the ventricles and their respective arteries (pulmonary artery and aorta. . They do not separate the atrial and ventricular chambers.
B. Pulmonary:
The pulmonary valve is a semilunar valve that separates the right ventricle from the pulmonary artery. It does not separate the atrial and ventricular chambers.
C. Aortic:
The aortic valve is another semilunar valve that separates the left ventricle from the aorta. It also does not separate the atrial and ventricular chambers.
D. Atrioventricular:
The atrioventricular (AV. valves include the tricuspid valve (right side. and the mitral (bicuspid. valve (left side. . These valves separate the atrial chambers from the ventricular chambers of the heart, making this the correct answer.
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