Consider the following respiratory variables: MRV of 8000 mL, RR of 16, VC of 4800 mL, and an ERV of 1100 mL. Calculate the IRV
A) 3200 mL
B) 3500 mL
C) 2200 mL
D) 3300 mL
Answer: A
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What will be an ideal response?
This figure shows a frontal view of a human. What does number 1 indicate?
A. Mediastinum?B. Pelvic cavity?C. Thoracic cavity?D. Pleural cavity?E. Pericardial cavity
If fertilization occurs, the ________ is maintained because the embryo secretes ________
A) corpus albicans; human chorionic gonadotrophin B) corpus luteum; luteinizing hormone C) corpus cavernosum; human chorionic gonadotrophin D) corpus luteum; human chorionic gonadotrophin E) corpus albicans; placental prolactin
A condition called megacolon, which results from excess dilation of the colon proximal to a region of functional obstruction, would most likely be caused by
A) a great increase in the level of sympathetic activity in the region. B) too much activity in the sympathetic chain ganglia. C) a great increase in parasympathetic activity in the local region. D) reduction of parasympathetic innervation in the region. E) None of the answers are correct.