Define, compare, and contrast each term listed and explain how the terms are related to each other: rough endoplasmic reticulum, smooth endoplasmic reticulum, ribosomes, and Golgi body.
What will be an ideal response?
All are structures involved in synthesis of biomolecules. All but ribosomes are membranous structures. Ribosomes may be free or attached to ER, making it rough.
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You embark on a hiking trip on Mt. Kilimanjaro (altitude = 19,000 ft; Atmospheric air pressure = 379 mmHg).mHg). As you ascend, what are you likely to notice about your breathing?
A. You need to work harder to inhale, expanding your thoracic size beyond what is normal B. You need to work to exhale, using your muscles to decrease your thoracic size beyond what is normal C. Both would happen D. Neither would happen
Which of the following is true about smooth muscle contraction?
A) Certain smooth muscle cells can actually divide to increase their numbers. B) Smooth muscle, in contrast to skeletal muscle, cannot synthesize or secrete any connective tissue elements. C) Smooth muscle cannot stretch as much as skeletal muscle. D) Smooth muscle has well-developed T tubules at the site of invagination.
The AV valve controls the amount of blood entering the atrium from the venous system
Indicate whether the statement is true or false
The MOST effective method for decreasing morbidity and mortality associated with spinal cord injury is:
A) rapid transportation to a trauma center. B) public education and prevention strategies. C) minimizing scene time to 10 minutes or less. D) routine use of spinal motion restriction precautions.