Which is not considered to be a change associated with aging in males?
A. Prostate enlargement
B. Impotence
C. Erectile dysfunction
D. Decreased testosterone levels
E. Termination of spermatogenesis
Answer: E
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Sensory receptors sense only stimuli external to the body, such as light, sound waves, smell, and touch.
Answer the following statement true (T) or false (F)
The wall of the intestines needs to form an impenetrable barrier that prevents the passage of molecules through the extracellular space (the only route of passage must be for molecules to move through the cells). What type of cellular junction would be most appropriate for this task?
A. Gap junctions B. Desmosomes C. Tight junctions D. All of the answer choices are correct E. None of the answer choices are correct
Read the following passage and answer the accompanying questions. Rupture of the cruciate ligament is a common injury to the stifle joint of dogs. The cranial cruciate ligament is more commonly ruptured than the caudal ligament. Rupture of either cruciate ligament may be accompanied by rupture of the medial collateral ligament and damage to the medial meniscus. Acute lameness is the most common
sign of a cruciate ligament rupture, which will decrease in severity over time. Chronic lameness and osteoarthritis may result if the stifle joint is not stabilized via surgery. The primary sign of a cruciate ligament rupture is: A) a tear in the caudal cruciate ligament B) a tear in the cranial cruciate ligament C) acute lameness D) anorexia
Evaporation is the:
a. flow of heat waves away from the blood b. transfer of heat to the skin and then to the external environment c. absorption of heat by water (sweat) vaporization d. none of the above