Male secondary sex characteristics would not develop in boys in which the ________ cells did not secrete testosterone.
A. seminiferous tubule
B. Leydig
C. interstitial
D. Both interstitial and Leydig are correct.
Answer: D
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Which of the following is NOT a normal animal behavior in companion animals?
a. chasing c. self-grooming b. marking territory d. aggression
Which of the following statements about a compound action potential recording is NOT true?
A. Each peak represents a group of axons of similar conduction velocity. B. Each peak represents a group of axons of similar diameter. C. The magnitude of each peak is a representation of the number of axons in that category. D. The magnitude of each peak is a representation of the amplitude of the individual APs in that category. E. The profile of peaks is characteristic and different for different peripheral nerves.
In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________.
A. QRS wave B. R wave C. S wave D. P wave E. T wave
________ is the view that not everything about an organism can be understood or predicted from the knowledge of its components; that is, the whole is greater than the sum of its parts
A) Science B) Naturalism C) Reductionism D) Holism E) Materialism