The patient had carbon monoxide in her home so she called in sick at work and stayed in bed breathing more CO for days on end. (Hint: She also complained that her house had become haunted by ghosts).
A) Anemic hypoxia
B) Ischemic (stagnant) hypoxia
C) Hypoxemic hypoxia
D) Histotoxic hypoxia
Answer: C) Hypoxemic hypoxia
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Which of the following markings is located on the medial side of the femur?
a) Lesser trochanter b) Greater trochanter c) Gluteal tuberosity d) Lateral epicondyle e) Linea aspera
Low PO2 and high PCO2 in the alveoli will cause:
A. constriction of pulmonary capillaries and bronchioles. B. dilation of pulmonary capillaries and bronchioles. C. constriction of pulmonary capillaries and dilation of bronchioles. D. dilation of pulmonary capillaries and constriction of bronchioles.
A sarcomere is best described as
A. a part of the sarcoplasmic reticulum. B. a group of fascicles. C. a unit within a muscle fiber. D. a group of muscle fibers.
Epinephrine and norepinephrine that are released from the adrenal glands affect target tissue for a longer period of time than the same substances released from neurons at their peripheral receptors. Why?
A) The effectors are less sensitive to epinephrine and norepinephrine released by the adrenal glands. B) The hormones released from the adrenal glands bind to different receptors than those released from neurons. C) The adrenal gland releases larger amounts of the neurotransmitters than the neurons. D) There are no enzymes to break down epinephrine and norepinephrine in the blood and very little in peripheral tissues. E) The epinephrine and norepinephrine from the adrenal glands are released by sympathetic neurons, whereas parasympathetic neurons release these substances at the effector organs.