BSNC 2000 UPDATED EXAM SCRIPT QUESTIONS AND
SOLUTIONS GRADED A+
✔✔What cell type functions in the synthesis, storage and mobilization of lipids?
A) fibroblasts
B) adipocytes
C) skeletal muscle cells
D) cardiac muscle cells
E) pancreatic cells - ✔✔B
✔✔Which of the following is NOT a macronutrient?
A) vitamins
B) protein
C) fat
D) carbohydrates - ✔✔A
✔✔Nociceptors detect touch, vibration, proprioception, and pain sensations.
a) True
b) False - ✔✔B
✔✔The movement of pain sensory information from receptors to the spinal cord and
brain is called:
a) transduction
b) transmission
c) perception
d) modulation - ✔✔B
✔✔Somatic nociceptors are located in:
a) the skin
b) the cutaneous membrane
c) muscles
d) organs - ✔✔C
✔✔Bradykinin released during tissue injury is an example of a mechanical noxious
stimulus.
a) True
b) False - ✔✔B
,✔✔A-delta sensory nerve fibres are lightly unmyelinated and transmit well localized,
sharp and stinging pain sensations.
a) True
b) False - ✔✔A
✔✔Where do secondary neurons of the spinothalamic pathway synapse with tertiary
neurons?
a) the dorsal horn of the spinal cord
b) the somatosensory cortex
c) the reticular formation
d) the thalamus - ✔✔D
✔✔Which brain area is responsible for the emotional response to a pain stimulus?
a) limbic system
b) somatosensory cortex
c) reticular formation
d) hypothalamus - ✔✔A
✔✔Descending pathways modulate pain by acting at the level of the:
a) thalamus
b) limbic system
c) dorsal horn of the spinal cord
d) hypothalamus - ✔✔C
✔✔TRUE or FALSE - Body water constitutes 60% of body weight in an adult.
True
False - ✔✔True
✔✔Intracellular fluid:
A) is the fluid outside cells.
B) includes plasma and interstitial fluid as specific examples.
C) contains a high concentration of sodium.
D) contains a high concentration of calcium.
E) comprises approximately two thirds of the body water in a healthy adult. - ✔✔E
✔✔An electrolyte is a substance that dissociates in solution to form:
A) ions.
, B) acids.
C) unchanged particles.
D) molecules.
E) electrons and protons - ✔✔A
✔✔TRUE or FALSE - Positively charged ions are called anions.
True
False - ✔✔False
✔✔TRUE or FALSE - Intracellular fluid and extracellular fluid compartments contain
equal amounts of anions and cations.
True
False - ✔✔True
✔✔TRUE or FALSE - In osmosis, water moves across a semi-permeable membrane
from a region of lower solute concentration to one of higher solute concentration.
True
False - ✔✔True
✔✔Serum osmolality is largely determined by the concentration of ______ in the blood.
A) potassium
B) calcium
C) sodium
D) urea
E) phosphate - ✔✔C
✔✔A red blood cell is placed in a hypotonic solution. The red blood cell will:
A) lose water.
B) gain water.
C) gain solutes.
D) shrink.
E) not change shape - ✔✔B
✔✔A hypertonic solution has a(n) ___________ osmolality compared to the ICF.
A) higher
B) lower
C) equal - ✔✔A
SOLUTIONS GRADED A+
✔✔What cell type functions in the synthesis, storage and mobilization of lipids?
A) fibroblasts
B) adipocytes
C) skeletal muscle cells
D) cardiac muscle cells
E) pancreatic cells - ✔✔B
✔✔Which of the following is NOT a macronutrient?
A) vitamins
B) protein
C) fat
D) carbohydrates - ✔✔A
✔✔Nociceptors detect touch, vibration, proprioception, and pain sensations.
a) True
b) False - ✔✔B
✔✔The movement of pain sensory information from receptors to the spinal cord and
brain is called:
a) transduction
b) transmission
c) perception
d) modulation - ✔✔B
✔✔Somatic nociceptors are located in:
a) the skin
b) the cutaneous membrane
c) muscles
d) organs - ✔✔C
✔✔Bradykinin released during tissue injury is an example of a mechanical noxious
stimulus.
a) True
b) False - ✔✔B
,✔✔A-delta sensory nerve fibres are lightly unmyelinated and transmit well localized,
sharp and stinging pain sensations.
a) True
b) False - ✔✔A
✔✔Where do secondary neurons of the spinothalamic pathway synapse with tertiary
neurons?
a) the dorsal horn of the spinal cord
b) the somatosensory cortex
c) the reticular formation
d) the thalamus - ✔✔D
✔✔Which brain area is responsible for the emotional response to a pain stimulus?
a) limbic system
b) somatosensory cortex
c) reticular formation
d) hypothalamus - ✔✔A
✔✔Descending pathways modulate pain by acting at the level of the:
a) thalamus
b) limbic system
c) dorsal horn of the spinal cord
d) hypothalamus - ✔✔C
✔✔TRUE or FALSE - Body water constitutes 60% of body weight in an adult.
True
False - ✔✔True
✔✔Intracellular fluid:
A) is the fluid outside cells.
B) includes plasma and interstitial fluid as specific examples.
C) contains a high concentration of sodium.
D) contains a high concentration of calcium.
E) comprises approximately two thirds of the body water in a healthy adult. - ✔✔E
✔✔An electrolyte is a substance that dissociates in solution to form:
A) ions.
, B) acids.
C) unchanged particles.
D) molecules.
E) electrons and protons - ✔✔A
✔✔TRUE or FALSE - Positively charged ions are called anions.
True
False - ✔✔False
✔✔TRUE or FALSE - Intracellular fluid and extracellular fluid compartments contain
equal amounts of anions and cations.
True
False - ✔✔True
✔✔TRUE or FALSE - In osmosis, water moves across a semi-permeable membrane
from a region of lower solute concentration to one of higher solute concentration.
True
False - ✔✔True
✔✔Serum osmolality is largely determined by the concentration of ______ in the blood.
A) potassium
B) calcium
C) sodium
D) urea
E) phosphate - ✔✔C
✔✔A red blood cell is placed in a hypotonic solution. The red blood cell will:
A) lose water.
B) gain water.
C) gain solutes.
D) shrink.
E) not change shape - ✔✔B
✔✔A hypertonic solution has a(n) ___________ osmolality compared to the ICF.
A) higher
B) lower
C) equal - ✔✔A
