During forced exhalation, _______.
A. the internal intercostals contract
B. the diaphragm contracts
C. the diaphragm, the internal intercostals and the external intercostals contract
D. the external intercostals contra
Answer: A. the internal intercostals contract
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The nucleotide sequence within the genes that produce B cell receptor and antibodies are reshuffled by a process called somatic recombination. This produces the huge variability in antibody types
Indicate whether the statement is true or false
Lateral means _____.?
A) ?near the beginning of a structure B) ?near the front of the body C) ?toward the midline D) ?toward the side
What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation?
a. stimulation of ACh receptors b. diffusion of Na+ back into transverse tubules c. return of Ca2+ into the sarcoplasmic reticulum d. breaking the bond with tropomyosin
Which of the following terms would be best used in a pattern of collateral circulation?
a. common b. proper c. recurrent d. continuous