A weightlifter uses muscles so the muscles exert more than 75% of their maximum
tension, This stimulates
A) shrinking of skeletal muscle.
B) muscle fibers developing new filaments of actin and myosin.
C) an increase in slow, fatigable white fibers.
D) conversion of skeletal to smooth muscle.
B
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The simple knee-jerk reflex is an example of a(n) _____ reflex
A. ipsilateral B. contralateral C. monosynaptic D. crossed-extensor E. multisynaptic
Answer the following statements true (T) or false (F)
1. The fasciculus gracilis ascends same side of cord carrying information about position, fine touch, pressure, and vibration. 2. The lateral spinothalamic tract crosses to ascend cord and carries information about pain and temperature. 3. The anterior spinocerebellar tract carries information about crude touch 4. The anterior spinothalamic tract carries information about proprioception. 5. The anterior spinocerebellar tract carries information about proprioception.
The type of immunity that develops as a result of natural exposure to an antigen in the environment is:
naturally acquired immunity naturally acquired active immunity naturally innate immunity naturally acquired passive immunity None of the choices are correct
which term refers to individuals with two identical alleles for particular trait?
a) heterozygous b) homologous c) homozygous d) haploid