PNB 2274 EXAM I PRACTICE QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTION.
the elbow is _____ to the wrist
a. lateral
b. medial
c. distal
d. proximal Answer - d. proximal
your body temperature rises, this ______ is sensed by _____ and in response
information is carried by ________ to activate the secretion of sweat
a. set point; receptors; the efferent pathway
b. stimulus; receptors; the efferent pathway
c. stimulus; the brain; the afferent pathway
d. set point; receptors; effectors
e. feedback; the brain; receptors Answer - b. stimulus; receptors; the efferent
pathway
adipose tissue is different than a tendon due to:
a. the unique combo of proteins present in the ECM
b. the degree of cellularity
c. increased ground substance in the matrix
,d. all of the above Answer - d. all of the above
the major categories of tissue are:
a. nervous, musculoskeletal, epithelial, blood
b. blood, bone, muscle, nervous
c. muscle, nervous, connective, epithelial
d. skin, neuromuscular, organ, collagen Answer - c. muscle, nervous,
connective, epithelial
a tear in the blood vessel that exposures collagen to blood activates platelets to
become sticky and secrete chemical signals, which cause more platelets to
become sticky and secrete the same chemical signals. this is an example of
_____ control
a. closed loop, negative feedback
b. closed loop, positive feedback
c. feed-forward
d. open-loop, positive feedback Answer - b. closed loop, positive feedback
a cell is taken out of he body and placed into a test solution. the concentration
of solute X in the test solution is 100mM, and the concentration of solute X
inside the cell is 200mM. The cell membrane is permeable to water but not
solute X. Which of the following statements is/are true?
a. there is a net flux of water out of the cell
b. the test solution is hypertonic
c. there is a flux of water molecules into and out of the cell
d. all of the above Answer - c. there is a flux of water molecules into and out of
the cell
, which is NOT a connective tissue cell
a. bone cells
b. skeletal muscle
c. cartilage cells
d. fat cells
e. blood cells Answer - b. skeletal muscle
which is NOT a feature of connective tissue?
a. protein fibers in the matrix
b. glycosaminoglycan molecules in the matrix
c. cells
d. apical surface Answer - d. apical surface
the most abundant tissue within the body is:
a. muscle
b. connective tissue
c. nervous tissue
d. epithelial tissue Answer - b. connective tissue
which of the following situations best represents a homeostatic mechanism?
a. a person who becomes very nervous begins to sweat
ANSWERS WITH COMPLETE SOLUTION.
the elbow is _____ to the wrist
a. lateral
b. medial
c. distal
d. proximal Answer - d. proximal
your body temperature rises, this ______ is sensed by _____ and in response
information is carried by ________ to activate the secretion of sweat
a. set point; receptors; the efferent pathway
b. stimulus; receptors; the efferent pathway
c. stimulus; the brain; the afferent pathway
d. set point; receptors; effectors
e. feedback; the brain; receptors Answer - b. stimulus; receptors; the efferent
pathway
adipose tissue is different than a tendon due to:
a. the unique combo of proteins present in the ECM
b. the degree of cellularity
c. increased ground substance in the matrix
,d. all of the above Answer - d. all of the above
the major categories of tissue are:
a. nervous, musculoskeletal, epithelial, blood
b. blood, bone, muscle, nervous
c. muscle, nervous, connective, epithelial
d. skin, neuromuscular, organ, collagen Answer - c. muscle, nervous,
connective, epithelial
a tear in the blood vessel that exposures collagen to blood activates platelets to
become sticky and secrete chemical signals, which cause more platelets to
become sticky and secrete the same chemical signals. this is an example of
_____ control
a. closed loop, negative feedback
b. closed loop, positive feedback
c. feed-forward
d. open-loop, positive feedback Answer - b. closed loop, positive feedback
a cell is taken out of he body and placed into a test solution. the concentration
of solute X in the test solution is 100mM, and the concentration of solute X
inside the cell is 200mM. The cell membrane is permeable to water but not
solute X. Which of the following statements is/are true?
a. there is a net flux of water out of the cell
b. the test solution is hypertonic
c. there is a flux of water molecules into and out of the cell
d. all of the above Answer - c. there is a flux of water molecules into and out of
the cell
, which is NOT a connective tissue cell
a. bone cells
b. skeletal muscle
c. cartilage cells
d. fat cells
e. blood cells Answer - b. skeletal muscle
which is NOT a feature of connective tissue?
a. protein fibers in the matrix
b. glycosaminoglycan molecules in the matrix
c. cells
d. apical surface Answer - d. apical surface
the most abundant tissue within the body is:
a. muscle
b. connective tissue
c. nervous tissue
d. epithelial tissue Answer - b. connective tissue
which of the following situations best represents a homeostatic mechanism?
a. a person who becomes very nervous begins to sweat
