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 - ans.... -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 - ans.... -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 - ans.... -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 - ans.... -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 - ans.... -b. Closed loop, positive feedback
A cell is taken out of the 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 - ans.... -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 - ans.... -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 - ans.... -d. apical surface
The most abundant tissue within the body is:
A. Muscle
B. Connective tissue
C. Nervous tissue
D. Epithelial tissue - ans.... -b. Connective tissue
COMPLETE SOLUTION.
The elbow is _____ to the wrist
A. Lateral
B. Medial
C. Distal
D. Proximal - ans.... -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 - ans.... -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 - ans.... -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 - ans.... -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 - ans.... -b. Closed loop, positive feedback
A cell is taken out of the 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 - ans.... -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 - ans.... -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 - ans.... -d. apical surface
The most abundant tissue within the body is:
A. Muscle
B. Connective tissue
C. Nervous tissue
D. Epithelial tissue - ans.... -b. Connective tissue
