Regarding the partial pressures of O2 and CO2, which of the following statements is NOT true in a normal person at rest?
A. Atmospheric PO2 is greater than alveolar PO2.
B. The PCO2 in air is less than alveolar PCO2.
C. The PO2 in systemic arteries is typically greater than the alveolar PO2.
D. PCO2 in the systemic veins is greater than systemic arterial PCO2.
E. PCO2 in the pulmonary arteries is greater than pulmonary venous PCO2.
C
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. One of the important functions of muscle in the body is the regulation of blood glucose. 2. The extensor digitorum is a muscle that extends the fingers, even though the muscle belly is in the forearm. This is an example of an intrinsic muscle. 3. Some smooth muscle is autorhythmic. 4. The use of the term "origin" to describe a muscle attachment that doesn't move during contraction is misleading.
Surgical removal of the mammary gland or breast is termed:
A) gynectomy B) mastectomy C) fetotomy D) amnion
An abnormal cell appears to generate too many proteins, many of which are not necessary, except in the early stages of the cell's life cycle. Which structures are most likely not functioning properly in this cell?
A. Peroxisomes B. Mitochondria C. Centrioles D. Proteosomes
Match the structure associated with hearing with the appropriate description.A. Organ of hearingB. Passageway from the outside to the eardrumC. Interconnecting tunnels in the temporal boneD. Tiny bones in the middle earE. Connecting chambers of inner ear filled with endolymphBony labyrinth
Fill in the blank(s) with the appropriate word(s).