BMD 251 A&P 1: EXAM 1 SWIGER QUESTIONS COMPLETE WITH CORRECT ANSWERS

BMD 251 A&P 1: EXAM 1 SWIGER QUESTIONS COMPLETE WITH CORRECT ANSWERS .An MRI shows a patient's brain through a transverse section. This plane separates the body into ____ portions. - ANSWERS-Superior and Inferior .Standard anatomical position is characterized by all of the following except: a.)feet slightly apart b.)body erect c.)palms facing forward d.)thumbs oriented medially - ANSWERS-d.) thumbs oriented medially .Histology is the study of - ANSWERS-the tissues of the body .The pleura are serous membranes that surround the ____. - ANSWERS-lungs .The principle of complementarity explains that function reflects ____. A change in one will necessitate a change in the other. - ANSWERS-structure .According to the biological hierarchy of organization, what is the next level of complexity after the cell? In other words, what would cells form? - ANSWERS-tissues .Which of the following represents the correct order in which the components interact in a homeostatic control system? a.)the receptor, the control center, and the effector b.)the variable, the receptor, and the set point c.)the effector, the stimulus, and the receptor d.)the receptor, the stimulus, and the effector - ANSWERS-a.)the receptor, the control center, and the effector .The heart is ___ to the lungs. - ANSWERS-medial .What is another name for the iliac abdominopelvic regions? - ANSWERS-inguinal .The ___ of an atom is equal to the number of protons in its nucleus. - ANSWERS-atomic number .An atom of nitrogen has an atomic number of 7 and a mass number of 14. How many electrons are in its valence shell? - ANSWERS-7 .___ are heterogenous mixtures containing solutes that will not settle, but will scatter light. - ANSWERS-colloids .Which of the following best describes an ion? a.)an atom that shares electrons with another atom b.)an atom that loses all of its neutrons c.)an atom that has either gained or lost electrons d.)an atom that loses one or more protons - ANSWERS-c.)an atom that has either gained or lost electrons .Isotopes are structural variations of elements that differ in the number of ___ possessed. - ANSWERS-neutrons .Salts result from the formation of ___ bonds. - ANSWERS-ionic .___ bonds make possible the double helix of DNA and the existence of liquid water. - ANSWERS-hydrogen .A reaction in which chemical bonds are formed is called a(n) ___ reaction. - ANSWERS-synthesis .What type of lipid contains four interlocking hydrocarbon rings? - ANSWERS-cholesterol .What type of reaction is required to digest a peptide (a polymer) into amino acids (monomers)? - ANSWERS-hydrolysis