Which of the following would be greater?
A) the end-diastolic volume when the heart rate is 150 beats/minute
B) the end-diastolic volume when the heart rate is 60 beats/minute
Answer: B
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The release of atrial naturetic peptides from the heart will cause the body to
A) conserve sodium ions. B) decrease ECF. C) excrete potassium ions. D) conserve sodium ions and decrease ECF. E) excrete sodium ions and decrease ECF.
Matching
A) Lumbar vertebrae B) Axis C) Atlas D) Coccyx E) Thoracic vertebrae 23) These bones have the thickest body (centrum) with short blunt spinous processes. 24) The fused rudimentary tailbone. 25) The bone that articulates with the occipital condyles. 26) These bones have articular facets for the ribs. 27) Allows the head to nod "yes." 28) Allows the head to shake "no."
Which of the following is NOT one of the lobes of the cerebral hemisphere?
A) ethmoid B) frontal C) occipital D) temporal
The endomysium of a muscle fiber is composed of loose connective tissue while the perimysium is composed of dense irregular connective tissue. What can you conclude about the function of the endomysium versus the function of the perimysium based on the
tissue differences? A) The endomysium only needs to electrically insulate the muscle fiber. B) The endomysium is under high levels of physical stress due to contraction of the muscle. C) The endomysium is effective at separating muscle fascicles. D) The endomysium only needs to form an electrical conduction pathway with the muscle fiber.