As an arterial pathway moves farther from the heart, the arteries
A. get larger.
B. get smaller.
C. show no change in their lumen size.
Answer: B
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A patient takes a nitroglycerin tablet sublingually for chest pain. Nitroglycerin acts directly on smooth muscle, producing relaxation and vessel dilation. How would this relieve chest pain?
What will be an ideal response
The largest of the four dural septa, this large, sickle-shaped vertical fold of dura mater separates the left and right cerebral hemispheres.
A. Diaphragma sellae B. Falx cerebelli C. Superior sagittal sinus D. Falx cerebri E. Tentorium cerebelli
This figure shows a medial view of the right eye. What structure does number 4 indicate?
A. Trochlea B. Common tendinous ring C. Optic nerve D. Optic canal E. Superior rectus muscle
Which of the following is a branch of the trigeminal (V) nerve?
a) Opthalmic nerve b) Maxillary nerve c) Mandibular nerve d) All of these are branches of the trigeminal (V) nerve e) None of these are branches of the trigeminal (V) nerve