Which of the following valves separates the atrial and ventricular chambers of the heart?
Semilunar
Pulmonary
Aortic
Atrioventricular
The Correct Answer is D
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 3 to 5 liters: This range is above the normal daily urine output for an average adult and may indicate polyuria, a condition often associated with diabetes or excessive fluid intake.
B. 2 to 4 liters: While 2 liters is within the normal range, 4 liters exceeds it, suggesting an unusually high urine output, which could be indicative of an underlying health condition.
C. 5 to 7 liters: This range is significantly higher than the average urine output and is typically seen in cases of severe polyuria, which could result from conditions like uncontrolled diabetes mellitus or excessive fluid intake.
D. 1 to 2 liters: This range correctly identifies the average daily urine output for a healthy adult. Normal urine production varies depending on fluid intake, but generally, adults produce about 1 to 2 liters of urine per day. This range reflects the body's ability to regulate fluid balance efficiently.
Correct Answer is D
Explanation
A. III, V, and VI: While cranial nerves III (Oculomotor. and VI (Abducens. are involved in extraocular muscle movement, cranial nerve V (Trigeminal. is primarily responsible for facial sensation and mastication, not eye movement.
B. III, VII, and VIII: Cranial nerve III (Oculomotor. is involved in eye movement, but cranial nerve VII (Facial. controls facial expressions and cranial nerve VIII (Vestibulocochlear. is involved in hearing and balance, neither of which are related to extraocular muscle movement.
C. III, IV, and VII: Cranial nerves III (Oculomotor. and IV (Trochlear. are indeed involved in eye movement, but cranial nerve VII (Facial. is not. It is responsible for facial expressions and taste sensation on the anterior two-thirds of the tongue.
D. III, IV, and VI: This is the correct combination. Cranial nerve III (Oculomotor. controls most of the eye's movements, cranial nerve IV (Trochlear. controls the superior oblique muscle, and cranial nerve VI (Abducens. controls the lateral rectus muscle. All three are directly involved in the movement of the extraocular muscles.
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