Tom is having difficulty dorsiflexing and inverting his right foot. Which muscle is most likely involved in this problem?
A) tibialis anterior
B) soleus
C) gastrocnemius
D) flexor digitorum
E) plantaris
A) tibialis anterior
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Which division of anatomy focuses on the form and structure of the heart, blood, and blood vessels?
A) regional anatomy B) surface anatomy C) cytology D) histology E) systemic anatomy
The floor of the pelvic cavity includes skeletal muscles that function to support organs in that cavity.
a. true b. false
An x-ray of a patient standing erect, you would show what positional features of the kidney placement
a) left kidney's lower margin slightly below the 12th rib, right kidney slightly lower b) the left kidney slightly higher than the right but both well superior to the last rib c) right kidney's lower margin slightly below the 12th rib, left kidney slightly lower d) the right kidney slightly higher than the left but both well superior to the last rib
How does lung perfusion work in ventilation-perfusion coupling?
A. Alveolar capillaries constrict where the partial pressure of oxygen is low, so blood is diverted to where the partial pressure of oxygen is high. B. If partial pressure of carbon dioxide increases, the bronchioles dilate. C. Air flow is directed to lobules where partial pressure of carbon dioxide is high. D. If partial pressure of carbon dioxide decreases, the bronchioles constrict.