Isotopes of the same element have
A. no mass number.
B. the same mass number.
C. the same number of neutrons but different numbers of protons.
D. different numbers of protons and electrons.
E. the same atomic number but differ in their mass numbers.
E
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In most non-crocodilian reptiles, the ventricle is divided into three chambers. Which of the following is NOT one of the chambers?
A) Cavum venosum B) Cavum pulmonale C) Cavum cardiacum D) Cavum arteriosum
The pain of angina pectoris comes from a blockage in an artery that supplies the
A) neck and jaw. B) heart. C) sternum. D) left arm and shoulder.
Respiratory illnesses account for 20 percent of all acute illness.?
Indicate whether the statement is true or false
Cerebrospinal fluid fills the ________.
A. dural sinuses B. subdural space C. epidural space D. subarachnoid space E. None of the choices are correct