BIOS251 ACTUAL EXAM FULL QUESTIONS AND CORRECT ANSWERS GRADED A PLUS

BIOS251 ACTUAL EXAM FULL QUESTIONS
AND CORRECT ANSWERS GRADED A PLUS

●● The head is _________ to the shoulders.
Answer: Superior


●● The elbows are _________ to the abdomen.
Answer: Superior


●● The bone is _________ to the muscle.
Answer: Deep


●● The knees are _________ to the thighs.
Answer: Distal


●● The toes are _________ to the ribs.
Answer: Inferior


●● The nose is _________ to the ears.
Answer: Medial


●● What is the difference between visceral and parietal membranes?

, Answer: Visceral = deeper; lies directly on the organ; Parietal = more
superficial; lines the cavity itself


●● What is a buffer?
Answer: A substance that helps to resist changes in pH by converting
strong acids/bases into weak acids/bases


●● What are the three types of chemical bonds?
Answer: Ionic, Covalent, Hydrogen


●● What determines the likelihood that an atom will form a chemical
bond?
Answer: The number of electrons in the outer shell of the atom (valence
electrons)


●● What is the function of the nucleus?
Answer: Houses genetic information; directs cellular activity;
determines regenerative capacity


●● What is the function of mitochondria?
Answer: Metabolize glucose to produce energy (ATP) for the cell


●● What is the function of ribosomes?